FR3075628A1 - AQUEOUS COMPOSITION COMPRISING A DISPERSION OF POLYMER PARTICLES STABILIZED IN A NONAQUEOUS MEDIUM AND A HYDROPHOBIC FILMOGENIC POLYMER - Google Patents

Abstract

The present invention relates to an aqueous composition comprising at least one dispersion of stabilized polymer particles in a non-aqueous medium and at least one hydrophobic film-forming polymer. The present invention also relates to a cosmetic treatment process, in particular a process for capping keratinous fibers, in particular human keratinous fibers such as the hair, using this composition. The present invention finally relates to the use of this composition for the cosmetic treatment of keratinous fibers, in particular human keratinous fibers such as the hair, and in particular for styling the hair, that is to say shaping. and / or the fixation of the hair.

Description

Aqueous composition comprising a dispersion of polymer particles stabilized in a non-aqueous medium and a hydrophobic film-forming polymer

The present invention relates to an aqueous composition comprising at least one dispersion of polymer particles stabilized in a non-aqueous medium and at least one hydrophobic film-forming polymer.

The present invention also relates to a cosmetic treatment process, in particular a process for styling keratin fibers, in particular human keratin fibers such as the hair, using this composition.

The present invention finally relates to the use of this composition for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as the hair, and in particular for styling the hair, that is to say shaping and / or fixing the hair.

Styling products are usually used to build, structure the hairstyle and give it an outfit. They usually come in the form of lotions, gels, mousses, creams, or sprays. These compositions generally comprise one or more film-forming polymers, or “fixing polymers”, allowing the formation of a sheathing film on the hair and thus ensuring the maintenance of the hairstyle and / or the formation of microwelds between the hair thus ensuring the fixing of the hair.

These compositions are generally applied to wet hair, which is shaped before brushing or drying.

To obtain a satisfactory and lasting fixing power, it is known to incorporate into styling products polymers with very high fixing power, and / or to increase the concentration of fixing polymer. However, the use of such extremely fixing products entails a certain number of drawbacks.

Although these products are intended to ensure the fixing and holding of the hairstyle over time, they generally tend to freeze the hairstyle, in particular by providing a "helmet effect", often poorly perceived by users.

The hair thus frozen has a dry and rough feel little appreciated by consumers.

In addition, when the styling products are in the form of foams, these can have more or less firm textures with limited grip. Conversely, the textures of the gels can be oily or sticky and prove to be difficult to apply to the hair.

Thus, there is a real need to develop styling compositions which do not have the drawbacks mentioned above, ie which make it possible to obtain a lasting fixing of the hairstyle, with styling effects lasting all day or even several days, all retaining a natural and not frozen appearance to the hairstyle.

There is in particular a need to develop compositions which provide good styling properties, in particular in terms of flexibility and volume, while providing a pleasant cosmetic feel, in particular a smooth and soft touch, a clear visual, neither mattifying nor too much. gloss. It is also expected that the roots of the hair can be detached, that the hair can gain in volume or density.

There is also a need to develop compositions which have a non-sticky and non-greasy texture, which is easy to apply.

The Applicant has surprisingly discovered that the combination of a dispersion of polymer particles, stabilized in a non-aqueous medium, and a hydrophobic film-forming polymer in the presence of water makes it possible to achieve the objectives set out above. ; in particular to obtain a styling composition which is easy to apply and capable of imparting a lasting fixing of the hairstyle while retaining a natural and non-frozen appearance, as well as a smooth and soft touch.

The subject of the present invention is in particular a composition comprising: (a) one or more dispersions of particles of at least one polymer, stabilized by one or more stabilizing agents in a non-aqueous medium, (b) one or more hydrophobic film-forming polymers, preferably chosen from hydrocarbon block copolymers, hydrocarbon resins and their mixtures, and (c) water; the water content being greater than or equal to 30% by weight, relative to the total weight of the composition.

The composition of the invention has a pleasant, non-sticky and non-greasy texture, easy to apply to all of the hair to be styled. It also provides flexibility and volume to the hair, while retaining a natural look and a smooth, soft feel.

Unlike the compositions of the prior art, the hair thus combed is maintained without being frozen, and the styling effects imparted by the composition of the invention are lasting throughout the day, even several days.

The present invention also relates to a process for the cosmetic treatment of keratin fibers, in particular human keratin fibers, such as the hair, comprising a step of application to said keratin fibers of a composition as defined above.

The present invention further relates to the use of a composition as defined above for styling, that is to say the shaping and / or fixing, of keratin fibers, in particular human keratin fibers such than hair. Other objects, characteristics, aspects and advantages of the invention will appear even more clearly on reading the description and the examples which follow.

In what follows, and unless otherwise indicated, the limits of a range of values are included in this range, in particular in the expressions "between" and "going from ... to ...".

Furthermore, the expression "at least one" used in the present description is equivalent to the expression "one or more".

The dispersion of particles

The composition according to the present invention comprises one or more dispersions of particles of at least one polymer, stabilized by one or more stabilizing agents in a non-aqueous medium.

The dispersions which can be used according to the invention consist of particles, generally spherical, of at least one polymer, surface stabilized with at least one stabilizer, in a non-aqueous medium.

These dispersions can in particular be in the form of polymer nanoparticles in stable dispersion in a non-aqueous medium. The nanoparticles are preferably of a number-average size of between 5 and 600 nm, more preferably between 10 and 500 nm, and better still between 15 and 450 nm, given that above about 600 nm, the particle dispersions become much less stable.

The polymer particles of the dispersion preferably have a number-average size ranging from 50 to 500 nm, more preferably from 75 to 400 nm, and better still from 100 to 250 nm.

In particular, these particles remain in the state of elementary particles, without forming agglomerates, when they are dispersed in said nonaqueous media.

Without limitation, the polymers of particles of the invention can be chosen from the following polymers or copolymers polyurethanes, polyurethanes-acrylics, polyureas, polyurea-polyurethanes, polyester-polyurethanes, polyether-polyurethanes, polyesters, polyester amides, polyesters with fatty chain, alkyds; acrylic and / or vinyl polymers or copolymers; acrylic-silicone copolymers; polyacrylamides; silicone polymers, fluoropolymers and mixtures thereof.

The polymers according to the invention can be linear, branched, or even star homopolymers or copolymers. They can be statistical or alternated. Preferably, these are linear random copolymers.

Preferably, the polymer used in the particle dispersions according to the invention is an ethylenic polymer.

By "ethylenic" polymer is meant, within the meaning of the present invention, a polymer obtained by polymerization of at least 2 monomers, identical or different, comprising an ethylenic unsaturation.

Said ethylene polymer can be chosen by a person skilled in the art according to its properties. These polymers can in particular be crosslinked.

More particularly, said ethylenic polymer has at least one glass transition temperature (Tg) less than or equal to -20 ° C, preferably between -150 ° C and -20 ° C, in particular between -100 ° C and -25 ° C, preferably between -95 ° C and -30 ° C, or even between -80 ° C and -35 ° C, and even better between -70 ° C and -40 ° C.

Preferably, the polymer only exhibits a glass transition temperature.

The polymer may however have several glass transition temperatures, in particular two Tg; in this case, the lowest Tg must be less than -20 ° C.

In the present invention, the Tg (or glass transition temperature) indicated are theoretical Tg determined from the theoretical Tg of the monomers constituting the polymer, which can be found in a reference manual, such as the Polymer Handbook, 3rd ed, 1989, lohn Wiley, according to the following relation, known as Fox's law: Υ- = Σ0 Tg i Tgi wi being the mass fraction of monomer i in the polymer and Tgi being the glass transition temperature of the homopolymer of monomer i , expressed in Kelvin (K).

In the present description, the term “Tg monomer” denotes the monomer whose homopolymer has such a glass transition temperature. In general, the monomers of Tg less than or equal to -20 ° C., can represent 50 to 100% by weight of the total weight of the initial monomers.

In a first embodiment of the invention, the polymers present in the dispersion can result from the polymerization of one or more monomers of Tg less than or equal to -20 ° C, preferably between -150 ° C and - 20 ° C, especially between -100 ° C and -25 ° C, preferably between -95 ° C and -30 ° C, or even between -80 ° C and -40 ° C, and again -70 ° C and -45 ° vs.

In this embodiment, the monomer of Tg less than or equal to -20 ° C, or their mixture, represents 100% by weight of the total weight of initial monomers.

In a second embodiment of the invention, the polymers present in the dispersion can result from the polymerization of one or more monomers of Tg less than or equal to -20 ° C., and of one or more so-called additional monomers of Tg greater than -20 ° C, but present in an amount such that the overall Tg of the polymer is less than or equal to -20 ° C.

For example, it is possible to combine in the final polymer, a Tg monomer of the order of 100 ° C., which can be present in an amount of 10-20% by weight of the total weight of monomers, and a Tg monomer of 1 'order of -50 ° C, which can be present in an amount of 80-90% by weight, so as to obtain a polymer having a Tg of about -40 ° C to -30 ° C.

In this embodiment, preferably the additional monomer, or the mixture of such monomers, may be present in an amount of 0.01 to 50% by weight, relative to the total weight of the monomers, in particular from 0.1 to 40% by weight, or even from 1 to 30% by weight, or even from 5 to 15% by weight. The monomer of Tg less than or equal to -20 ° C., or the mixture of such monomers, can then be present in an amount of 50 to 99.99% by weight, in particular from 60 to 99.9% by weight, or even 70 99% by weight, or 85 to 95% by weight, relative to the total weight of monomers. A person skilled in the art will be able, on the basis of Fox's law and his general knowledge, to determine the maximum amounts of additional monomer likely to be present in the polymer of the dispersion, so as to always always obtain in the end a dispersion of polymer having a Tg less than or equal to -20 ° C.

Furthermore, the polymer present in the dispersion of particles preferably comprises one or more so-called hydrophobic monomers as defined below.

Thus, preferably, the ethylenic polymer according to the invention comprises 40% to 100% by weight, relative to the total weight of monomers, in particular from 60 to 99% by weight, or even from 70 to 98% by weight, and even better from 60 to 95% by weight of hydrophobic monomer, alone or as a mixture.

This or these hydrophobic monomers may be chosen from monomers having a Tg less than or equal to -20 ° C and / or from monomers having a Tg greater than -20 ° C.

Preferably, the hydrophobic monomer (s) have a Tg of less than -20 ° C.

By "hydrophobic monomer" is meant within the meaning of the present invention a monomer having a value of the logarithm of the apparent partition coefficient octanol-1 / water, also called log P, greater than or equal to 2, for example between 2 and 11 , preferably between 2.5 and 10, especially between 3 and 8, or even between 3.5 and 5.

The log P values are known and are determined according to a standard test which determines the concentration of the monomer in octanol-1 and water.

Values can also be calculated using ACD (Advanced Chemistry Development) Software Solaris V4.67; they can also be obtained from Exploring QSAR: hydrophobia, electronic and steric constants (ACS professional reference book, 1995). There is still a website which provides estimated values (address http://esc.syrres.com/interkow/kowdemo.htm).

We indicate below the value of the log P of certain usual monomers, determined using the ACD software:

Among the monomers of Tg less than or equal to -20 ° C, which can be used to form the dispersion according to the invention, there may be mentioned: (i) the acrylic acid esters of formula CH2 = CHCOORi with R1 representing (a) a carbon chain, in particular hydrocarbon (alkyl) chain, having 2 to 12 linear or branched carbon atoms, saturated or unsaturated, optionally comprising intercalated one or more hetero atoms chosen from O, N, S; and / or optionally substituted by one or more substituents chosen from -OH and halogen atoms (Cl, Br, I and F), excluding the tert-butyl chain; or Ri representing (b) a polyoxyethylenated group comprising from 5 to 30 ethylene oxide units; or Ri representing (c) a group -R- (OC2H4) n-H, with R = C1-C12 alkyl and n is an integer between 5 and 30 inclusive.

Mention may thus be made of ethyl, propyl, n-butyl, isobutyl, 2-ethylhexyl, octyl, isooctyl, isodecyl, decyl, lauryl, tridecyl, acrylates. hydroxyethyl and hydroxypropyl. (ii) the methacrylic acid esters of formula CH2 = C (CH3) COOR2 with R2 representing (a) a carbon chain, in particular hydrocarbon (alkyl), having 8 to 12 carbon atoms, linear or branched, saturated or unsaturated , optionally comprising intercalated one or more heteroomes chosen from O, N, S; and or

optionally substituted with one or more substituents chosen from -OH and halogen atoms (Cl, Br, I and F); or R2 representing (b) a polyoxyethylene group comprising from 5 to 30 ethylene oxide units; or R2 representing (c) a group -R- (OC2H4) n-H, with R = C1-C30 alkyl and n is an integer between 5 and 30 inclusive.

Mention may thus be made of octyl, isooctyl, decyl, isodecyl, dodecyl, lauryl, tridecyl, myristyl, cetyl, palmityl, stearyl, behenyl and oleyl methacrylates. (iii) vinyl esters of formula CH2 = CH-OCO-R3 with R3 representing a carbon chain, in particular hydrocarbon chain, having 2 to 12 carbon atoms, linear or branched, saturated or unsaturated, among which may be mentioned butyrate ( or vinyl butanoate), vinyl ethylhexanoate, vinyl neononanoate and vinyl neododecanoate; (iv) vinyl ethers of formula CH2 = CHOR4 with R4 representing a carbon chain, in particular hydrocarbon chain, having 1 to 12 carbon atoms, linear or branched, saturated or unsaturated; among which may be mentioned vinyl ether, methyl vinyl ether, ethyl vinyl ether, ethyl hexyl vinyl ether and butyl vinyl ether; (v) N-alkyl (meth) acrylamides of formula CH2 = CHCONR5R'5 or CH2 = C (CH3) CONR5R'5 with R5 and R's representing, independently of one another, a hydrogen atom or a chain carbon, in particular hydrocarbon, having 6 to 28 carbon atoms, linear, cyclic or branched, saturated or unsaturated, optionally aromatic (aryl, aralkyl or alkylaryl), optionally comprising one or more heteroatoms chosen from O, N, S ; and / or optionally substituted with one or more substituents chosen from -OH and halogen atoms (Cl, Br, I and F); since at least one of the radicals R5, R'5 is different from hydrogen; among which there may be mentioned N-octylacrylamide and N-octadecyl acrylamide.

The monomers of Tg less than or equal to -20 ° C. more particularly preferred are ethyl acrylate, n-butyl acrylate, ethylhexyl acrylate, isobutyl acrylate, acrylate. isooctyle and their mixture.

Among the monomers having a Tg of less than or equal to -20 ° C. and being more hydrophobic, there may be mentioned n-butyl, isobutyl, 2-ethylhexyl, octyl, isooctyl, isodecyl acrylates , decyl, lauryl; as well as octyl, isooctyl, decyl, isodecyl, dodecyl, lauryl, tridecyl, cetyl, palmityl, steary, oleyl methacrylates.

Even more preferably, the Tg monomer of less than or equal to -20 ° C. is 2-ethyl hexyl acrylate.

As mentioned above, the polymer dispersion according to the invention can also comprise one or more additional monomers, with a Tg greater than -20 ° C, preferably greater than 0 ° C, provided that this or these additional monomers, and / or their quantity, are chosen so that the overall Tg of the polymer is less than or equal to -20 ° C.

These additional monomers can be chosen from the following monomers: (i) vinyl compounds of formula CH2 = CHR6 in which Re is - a hydroxyl group; - a linear or branched alkyl group, comprising 1 to 25 carbon atoms, in which there are optionally intercalated one or more heteroatoms chosen from O, N, S and P; the said alkyl group possibly also being optionally substituted by one or more substituents chosen from -OH and the halogen atoms (Cl, Br, I and F); - a C3 to C5 cycloalkyl group such as cyclohexane, - a C6 to C20 aryl group such as phenyl, - a C7 to C30 aralkyl group (C1 to C4 alkyl group) such as 2-phenylethyl or benzyl, - a 4 to 12-membered heterocyclic group containing one or more heteroatoms chosen from O, N and S, - a heterocycloalkyl group (alkyl of 1 to 4 carbons), such as furfuryl, furfurylmethyl or tetrahydrofurfurylmethyl, the said cycloaikyl, aryl or aralkyl groups, heterocyclic or heterocycloalkyl which can be optionally substituted by one or more substituents chosen from the hydroxyl group, the halogen atoms, and the C1-C4 alkyl groups, linear or branched in which is (are) optionally intercalated (s) one or more several hetero atoms chosen from O, N, S and P, said alkyl groups possibly being optionally substituted by one or more substituents chosen from -OH, halogen atoms (Cl, Br, I and F).

Examples of vinyl monomers are vinylcyclohexane, styrene and vinyl acetate. (ii) the acrylates of formula CH2 = CHCOOR7 in which R7 is a tert-butyl group, a C3 to C5 cycloaikyl group; a C6 to C20 aryl group; a C7 to C30 aralkyl group (C1 to C4 alkyl group); a 4 to 12-membered heterocyclic group containing one or more hetero atoms selected from O, N and S; a heterocycloalkyl group (C1-C4 alkyl) such as a furfuryl group; said cycloaikyl, aryl, aralkyl, heterocyclic or heterocycloalkyl groups which may be optionally substituted by one or more substituents chosen from the hydroxyl group, the halogen atoms and the C1-C4 alkyl groups, linear or branched in which is (are) optionally intercalated one or more hetero atoms chosen from O, N, S and P, said alkyl groups being able, in addition, to be optionally substituted by one or more substituents chosen from the hydroxyl group and the halogen atoms (Cl, Br , I and F).

Examples of such monomers are tert-butyl, t-butylcyclohexyl, t-butylbenzyl, furfuryl and isobornyl acrylates. (iii) methacrylates of formula CH2 = C (CH3) COORs in which Rs is: - a carbon group, in particular hydrocarbon (alkyl) having 1 to 6 carbon atoms, linear or branched, such as a methyl, ethyl group, propyl or isobutyl, said alkyl group possibly being optionally substituted with one or more substituents chosen from OH and halogen atoms (Cl, Br, I and F); - a C3 to C5 cycloalkyl group; - a C6 to C20 aryl group; - a C7 to C30 aralkyl group (C1 to C4 alkyl group); - a 4 to 12-membered heterocyclic group containing one or more heteroatoms chosen from O, N and S; - a heterocycloalkyl group (C1-C4 alkyl), such as a furfuryl group; said cycloalkyl, aryl, aralkyl, or heterocyclic or heterocycloalkyl groups which may be optionally substituted by one or more substituents chosen from OH, halogen atoms and C1-C4 alkyl groups, linear or branched in which optionally is present intercalated one or more heteroatoms chosen from O, N, S and P, said alkyl groups being able, in addition, to be optionally substituted by one or more substituents chosen from hydroxyl groups and halogen atoms (Cl, Br, I and F).

Examples of such monomers are methyl, ethyl, propyl, n-butyl, isobutyl, t-butylcyclohexyl, t-butylbenzyl, methoxyethyl, methoxypropyl and isobornyl methacrylates. (iv) the (meth) acrylamides of formula CH2 = CHCONR9R'9 or CH2 = C (CH3) CONR9R'9 in which R9 and R'9, identical or different, represent a hydrogen atom or a C1- alkyl group C5, linear or branched, such as an n-butyl, t-butyl, isopropyl group.

Examples of such monomers are N-butyl (meth) acrylamide, N-isopropyl (meth) acrylamide, N, N-dimethyl (meth) acrylamide and N, N-dibutyl (meth) acrylamide.

Fes monomers of Tg greater than -20 ° C. more particularly preferred are the acrylates of furfuryl, isobornyl, tertiobutyl, tertiobutylcyclohexyl, tertiobutylbenzyl; methyl, n-butyl, ethyl, isobutyl methacrylates, styrene, vinyl acetate and vinylcyclohexane, and mixtures thereof.

Among the monomers having a Tg greater than -20 ° C. and being more hydrophobic, mention may be made of isobornyl, tertiobutyl, tertiobutylcyclohexyl and tertiobutylbenzyl acrylates; n-butyl, isobutyl methacrylates, styrene.

The polymer present in the dispersion according to the invention can, of course, comprise hydrophilic monomers (that is to say non-hydrophobic or else having a log P less than 2), which can have a Tg less than or equal to - 20 ° C or a Tg greater than -20 ° C, or a mixture of such hydrophilic monomers.

Among the hydrophilic monomers which may be used, mention may be made of acrylic acid, methacrylic acid, dimethylaminoethyl methacrylate (MADAME), dimethylaminopropyl methacrylamide (DMAPMA), vinylpyridine and vinylimidazole, MADQUAT (or [ 2- (methacryloyloxy) ethyl] trimethyl-ammonium chloride), MAPTAC (or methacrylamidopropyltrimethylammonium chloride), 2-hydroxyethylmethacrylate, 2-hydroxyethylacrylate, N-terbutylacrylamide, tetrahydrofurfurylmethacrylate, methyl methacrylate, methacrylate methyl methyl acrylate, ethyl acrylate, vinylpyrrolidone, vinyl acetate, acrylates or methacrylates of formula CH2 = C (H, CH3) COOR with R alkyl which may contain (OC2H4) m-OR ”groups, with m = 5 to 150 and R "= H or C1 to C30 alkyl.

Preferably, the hydrophilic monomer is chosen from dimethylaminoethyl methacrylate.

When it contains acid functions, the polymer according to the invention can be neutralized with an organic base, for example a primary, secondary or tertiary amine, the amine possibly or not containing (hydroxyl) substituents, such as the amino- 2-methyl-2-propanol, and the salified or quaternized forms thereof.

When it has basic functions, the polymer according to the invention can be neutralized by organic acids which can contain one or more carboxylic, sulphonic or phosphonic groups. It can be linear, branched or cyclic aliphatic acids or aromatic acids. These acids can also contain one or more hetero atoms chosen from O and N, for example in the form of hydroxyl groups. Mention may in particular be made of acetic acid, alpha-hydroxyethanoic acid, alpha-hydroxyoctanoic acid, alpha-hydroxycaprylic acid, ascorbic acid, benzoic acid, behenic acid, capric acid, caproic acid, caprylic acid, citric acid, dodecylbenzene sulfonic acid, 2-ethylcaproic acid, folic acid, fumaric acid, galactaric acid, gluconic acid, glycolic acid, 2-hexadecyl eicosanoic acid, hydroxycaproic acid, 12-hydroxystearic acid, isolauric acid (or 2-butyl octanoic acid), isomyristic acid (or 2-hexyl octanoic acid), acid isoarachidic (or 2-octyl dodecanoic), isolignoceric acid (or 2-decyl tetradecanoic), lactic acid, lauric acid, malic acid, myristic acid, oleic acid, palmitic acid , propionic acid, sebacic acid, stearic acid, tartaric acid, terephthalic acid, trimesic acid, a undecylenic cide, propyl betaine, cocoamidopropyl betaine, and mixtures thereof. Preferably, the polymer is neutralized with an organic carboxylic acid and in particular 2-ethylcaproic, palmitic and decanoic acids.

The polymer of the particles used in the composition according to the invention is preferably an ethylenic polymer, and more preferably a polymer of C1-C4 alkyl (meth) acrylate.

The C1-C4 alkyl (meth) acrylate monomers can in particular be chosen from methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, (meth) isopropyl acrylate, n-butyl (meth) acrylate, tert-butyl (meth) acrylate.

Advantageously, a C1-C4 alkyl acrylate monomer is used.

Preferably, the polymer of the particles is a polymer of methyl acrylate and / or ethyl acrylate.

The polymer of the particles may also comprise an acidic monomer with ethylenic unsaturation or their anhydride, in particular chosen from acidic monomers with ethylenic unsaturation comprising at least one carboxylic, phosphoric or sulfonic acid function, such as crotonic acid, itaconic acid , fumaric acid, maleic acid, maleic anhydride, styrenesulfonic acid, vinylbenzoic acid, vinylphosphoric acid, acrylic acid, methacrylic acid, acrylamidopropanesulfonic acid, acrylamidoglycolic acid , and their salts.

Preferably, the ethylenically unsaturated acid monomer is chosen from (meth) acrylic acid, maleic acid and maleic anhydride.

The salts can be chosen from alkali metal salts, for example sodium, potassium; alkaline earth metal salts, for example calcium, magnesium, strontium, metal salts, for example zinc, aluminum, manganese, copper; ammonium salts of formula NLL +; quaternary ammonium salts; organic amine salts, such as, for example, methylamine, dimethylamine, trimethylamine, triethylamine, ethylamine, 2-hydroxyethylamine, bis- (2-hydroxyethyl) amine, tri- (2- hydroxyethyl) amine; salts of lysine, arginine.

The polymer of the particles can thus comprise, or essentially consists of, from 80 to 100% by weight, of C1-C4 alkyl (meth) acrylate and from 0 to 20% by weight of ethylenically unsaturated acid monomer different from ( meth) C1-C4 alkyl acrylate, relative to the total weight of the polymer.

According to a first embodiment of the invention, the polymer essentially consists of a polymer of one or more C1-C4 alkyl (meth) acrylate monomers.

According to a second embodiment of the invention, the polymer essentially consists of a copolymer of C1-C4 (meth) acrylate and (meth) acrylic acid or maleic anhydride.

The polymer of the particles is advantageously chosen from: - methyl acrylate homopolymers, - ethyl acrylate homopolymers, - methyl acrylate / ethyl acrylate copolymers, - methyl acrylate / acrylate copolymers ethyl / acrylic acid, - methyl acrylate / ethyl acrylate / maleic anhydride copolymers, - methyl acrylate / acrylic acid copolymers, - ethyl acrylate / acrylic acid copolymers, - methyl acrylate / maleic anhydride copolymers , - ethyl acrylate / maleic anhydride copolymers.

Advantageously, the polymer of the particles is a non-crosslinked polymer.

The polymers which can be used in the context of the present invention preferably have a number average molecular weight (Mn) of between 2000 and 1,000,000, in particular between 3000 and 800,000, and even better between 150,000 and 500,000.

The polymer content in the form of particles in the dispersion is preferably between 5 and 80% by weight, and more preferably between 20 and 60% by weight, including stabilizing agent, relative to the total weight of the dispersion.

The non-aqueous medium in which the polymer is dispersed can consist of any cosmetically or dermatologically acceptable oil, and generally of any physiologically acceptable oil.

By "oil" is meant in the sense of the present invention, a fatty substance which is liquid at room temperature (25 ° C), and at atmospheric pressure (760 mm Hg).

By “fatty substance” is meant an organic compound insoluble in water at ordinary temperature (25 ° C) and at atmospheric pressure (760 mm Hg or 1.013.105 Pa) (solubility less than 5% and preferably 1% even more preferably at 0.1%). They have in their structure at least one hydrocarbon chain comprising at least 6 carbon atoms or a chain of at least two siloxane groups. In addition, fatty substances are generally soluble in organic solvents under the same temperature and pressure conditions, such as, for example, chloroform, dichloromethane, carbon tetrachloride, ethanol, benzene, toluene, tetrahydrofuran ( THF), petrolatum oil or decamethylcyclopentasiloxane.

Preferably, the non-aqueous medium comprises at least one oil chosen from oils of mineral, animal, vegetable or synthetic origin, carbonaceous, hydrocarbon, fluorinated and / or silicone, and mixtures thereof.

Advantageously, one or more volatile oils can be used at ambient temperature and atmospheric pressure having for example a vapor pressure at ambient pressure and ambient temperature which is not zero and in particular ranging from 10 −3 to 300 mm of Hg provided that the temperature of boiling is greater than 30 ° C. These volatile oils are favorable for obtaining a film with total "transfer-free" properties. After evaporation of these oils, a flexible film-forming deposit is obtained, which does not stick to the keratin fibers, on which the composition is applied These volatile oils also facilitate the application of the composition to keratin fibers.

These oils can be hydrocarbon oils, silicone oils optionally comprising alkyl or alkoxy groups at the end of the silicone or pendant chain.

As volatile silicone oil which can be used in the invention, mention may be made of linear or cyclic silicones having from 2 to 7 silicon atoms, these silicones optionally comprising alkyl or alkoxy groups having from 1 to 10 carbon atoms as well as isoparaffins in cs-IC6. These volatile oils represent in particular from 30 to 97.99% of the total weight of the composition, and better still from 30 to 75%.

As volatile oil used in the invention include in particular octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, hexadecamethylcyclohexasiloxane, heptamethylhexyltrisiloxane, heptamethyloctyltrisiloxane or isoparaffins such as Cs-IC6 "ISOPARs", and particularly the Permetyls isododecane.

In a particular embodiment of the invention, the non-aqueous medium is chosen from the group comprising: - non-aqueous liquid compounds having a global solubility parameter according to the HANSEN solubility space of less than 17 (MPa) 1 / 2, - monoalcohols having a global solubility parameter according to the HANSEN solubility space less than or equal to 20 (MPa) 1/2, and - their mixtures.

The global solubility parameter δ global according to the HANSEN solubility space is defined in the article "Solubility parameter values" by Eric A. Grulke of the book "Polymer Handbook" 3rd edition, Chapter VII, pages 519-559 by the relation: δ = (dD2 + d? 2 + dH2) 1/2 in which - do characterizes the dispersion forces of LONDON resulting from the formation of dipoles induced during molecular shocks, - dp characterizes the interaction forces of DEBYE between permanent dipoles, - dH characterizes the specific interaction forces (such as hydrogen bonds, acid / base, donor / acceptor, etc.). The definition of solvents in the three-dimensional solubility space according to HANSEN is described in the article by C. M. HANSEN: "The three dimensional solubility parameters" J. Paint Technol. 39, 105 (1967).

Among the nonaqueous media having a global solubility parameter according to the HANSEN solubility space of less than or equal to 17 (MPa) 1/2, mention may be made of vegetable oils formed by esters of fatty acids and of polyols, in particular in particular triglycerides, such as sunflower, sesame or rapeseed oil, or esters derived from acids or long chain alcohols (that is to say having from 6 to 20 carbon atoms), in particular esters of formula RCOOR 'in which R represents the residue of a higher fatty acid containing from 7 to 19 carbon atoms and R' represents a hydrocarbon chain comprising from 3 to 20 carbon atoms, such as palmitates, adipates and benzoates, especially diisopropyl adipate.

Mention may also be made of hydrocarbons and in particular oils of paraffin, of petrolatum, or hydrogenated polyisobutylene, isododecane, or also 'ISOPARs', volatile isoparaffins.

Mention may also be made of silicone oils such as polydimethylsiloxanes and polymethylphenylsiloxanes, optionally substituted by aliphatic and / or aromatic groups, optionally fluorinated, or by functional groups such as hydroxyl, thiol and / or amine groups, and oils volatile silicone, especially cyclic.

Mention may also be made of the solvents, alone or as a mixture, chosen from (i) linear, branched or cyclic esters, having more than 6 carbon atoms, (ii) ethers having more than 6 carbon atoms, (iii) ketones having more than 6 carbon atoms. By monoalcohols having a global solubility parameter according to the HANSEN solubility space of less than or equal to 20 (MPa) 1/2, is meant aliphatic fatty alcohols having at least 6 carbon atoms, the hydrocarbon chain not comprising a group of substitution.

As monoalcohols according to the invention, there may be mentioned oleic alcohol, decanol, dodecanol, octadecanol and linoleic alcohol.

As non-aqueous medium, one can also use those described in document FR-A-2,710,646 to L.V.M.H.

Preferably, the aqueous medium in which the polymer is dispersed comprises at least one hydrocarbon oil.

By “hydrocarbon-based oil” is meant within the meaning of the present invention, an oil formed essentially, or even made up, of carbon and hydrogen atoms, and optionally oxygen, nitrogen atoms, and not containing atom of silicon or fluorine. It can contain alcohol, ester, ether, carboxylic acid, amine and / or amide groups. The hydrocarbon oil is advantageously chosen from: (i) hydrocarbon oils having from 8 to 16 carbon atoms, and in particular: - branched Cs-Ci6 alkanes such as Cs-Ci6 isoalkanes of petroleum origin (also called isoparaffins ) like isododecane (also called 2,2,4,4,6-pentamethylheptane), isodecane, isohexadecane, and for example the oils sold under the trade names of Isopars' or Permyls, - alkanes linear, for example such as n-dodecane (C12) and n-tetradecane (C14) sold by Sasol respectively under the references PARAFOL 12-97 and PARAFOL 14-97, as well as their mixtures, the undecane-tridecane mixture, the mixtures of n-undecane (C11) and n-tridecane (C13) obtained in Examples 1 and 2 of application WO2008 / 155059 from the company Cognis, and their mixtures; (ii) short chain esters (having 3 to 8 carbon atoms in total) such as ethyl acetate, methyl acetate, propyl acetate, n-butyl acetate; (iii) hydrocarbon oils of vegetable origin such as triglycerides consisting of fatty acid and glycerol esters, the fatty acids of which may have varying chain lengths from C4 to C24, the latter being able to be linear or branched, saturated or unsaturated; these oils are in particular triglycerides of heptanoic acid or octanoic acid, or alternatively cereal germ oils such as wheat germ, sunflower, grape seed, sesame, corn, apricot, castor, shea, avocado, olive, soy, sweet almond, palm, rapeseed, cotton, hazelnut, macadamia, jojoba, alfalfa, poppy, pumpkin , sesame, squash, rapeseed, blackcurrant, evening primrose, millet, barley, quinoa, rye, safflower, bancoulier, passionflower, calophyllum, arara, muscat rose; shea butter; or the triglycerides of caprylic / capric acids such as those sold by the company Stéarineries Dubois or those sold under the names Miglyol 810®, 812® and 818® by the company Dynamit Nobel; (iv) synthetic ethers having from 10 to 40 carbon atoms; (v) linear or branched hydrocarbons, of mineral or synthetic origin such as petrolatum, polydecenes, hydrogenated polyisobutene such as Parleam®, squalane, perhydrosqualene, paraffin oils, and their mixtures; (vi) synthetic esters such as oils of formula R1COOR2 in which Ri represents the remainder of a linear or branched fatty acid containing from 1 to 40 carbon atoms and R2 represents a hydrocarbon chain in particular branched containing from 1 to 40 atoms carbon provided that Ri + R2 is> 10, such as, for example, Purcellin oil (ketostearyl octanoate), butyl stearate, 2-diethylhexyl succeinate, isopropyl myristate, isopropyl palmitate , benzoates of C12 to C15 alcohols, hexyl laurate, diisopropyl adipate, isononyl isononanoate, 2-ethyl-hexyl palmitate, isostearyl isostearate, laurate of 2 -hexyl-decyl, 2-octyl-decyl palmitate, 2-octyldodecyl myristate, heptanoates, octanoates, decanoates or ricinoleates of alcohols or polyalcohols such as propylene glycol dioctanoate; hydroxylated esters such as isostearyl lactate, diisostearyl malate, 2-octyl-dodecyl lactate; polyol esters and pentaerythritol esters; (vii) fatty alcohols liquid at room temperature with branched and / or unsaturated carbon chain having from 12 to 26 carbon atoms such as cetanol, stearyl alcohol, linoleic or linolenic alcohol, octyl dodecanol, alcohol isostearyl, oleic alcohol, 2-hexyldecanol, 2-butyloctanol, and 2-undecylpentadecanol; and their mixtures.

Advantageously, the hydrocarbon oil is non-polar (therefore formed only of carbon and hydrogen atoms). The hydrocarbon oil is preferably chosen from hydrocarbon oils having from 8 to 16 carbon atoms, in particular the non-polar oils, described above.

Preferably, the non-aqueous medium comprises a hydrocarbon oil, preferably chosen from hydrocarbon oils having from 8 to 16 carbon atoms, more preferably chosen from branched C 6 -C 6 alkanes, and in particular isododecane.

The polymer dispersion can be manufactured as described in document EP-A-749747. In general, a dispersion of polymer particles suitable for the invention can be prepared in the following manner, given by way of example.

The polymerization can be carried out in dispersion, that is to say by precipitation of the polymer during formation, with protection of the particles formed with a stabilizing agent.

In a first step, the stabilizing agent (or stabilizing polymer) is prepared by mixing the monomer or monomers constituting the stabilizing polymer, with a radical initiator, in a solvent called synthetic solvent, and by polymerizing these monomers. In a second step, the monomer or monomers constituting the polymer are added to the stabilizing polymer formed of the particles and the polymerization of these added monomers is carried out in the presence of the radical initiator.

When the non-aqueous medium is a non-volatile hydrocarbon oil, the polymerization can be carried out in an apolar organic solvent (synthesis solvent) then add the non-volatile hydrocarbon oil (which must be miscible with said synthesis solvent) and selectively distill the synthetic solvent.

A synthetic solvent is therefore chosen such that the monomers of the stabilizing polymer, and the radical initiator, are soluble therein, and the polymer particles obtained are insoluble therein so that they precipitate there during their formation.

In particular, the synthesis solvent can be chosen from alkanes such as heptane or cyclohexane.

When the non-aqueous medium is a volatile hydrocarbon oil, the polymerization can be carried out directly in said oil which therefore also plays the role of synthesis solvent. The monomers must also be soluble therein, as well as the radical initiator, and the polymer of the particles obtained must be insoluble therein.

The monomers are preferably present in the synthesis solvent, before polymerization, in an amount of 5-20% by weight. All of the monomers may be present in the solvent before the start of the reaction, or a portion of the monomers may be added as the polymerization reaction proceeds. The radical initiator can in particular be azo-bis-isobutyronitrile or tert-butylperoxy-2-ethyl hexanoate.

The polymerization can be carried out at a temperature ranging from 70 to 110 ° C.

The polymer particles are stabilized at the surface, when they form during the polymerization, thanks to the stabilizing agent.

Stabilization can be carried out by any known means, and in particular by direct addition of the stabilizing agent, during the polymerization. The stabilizing agent is preferably also present in the mixture before polymerization of the monomers of the polymer of the particles. However, it is also possible to add it continuously, in particular when the monomers of the polymer of the particles are also added continuously.

When a grafted and / or sequenced polymer is used as a stabilizing agent, the synthetic solvent is chosen so that at least one part of the grafts or blocks of said stabilizing polymer is soluble in said solvent, the other part of the grafts or sequences not being soluble therein. The polymer stabilizer used during the polymerization must be soluble, or dispersible, in the synthetic solvent. In addition, a stabilizer is preferably chosen comprising a part (blocks, grafts or the like), having a certain affinity for the polymer formed during the polymerization.

When a random polymer is used as a stabilizing agent, it is chosen so that it has a sufficient quantity of groups making it soluble in the intended synthesis solvent.

Among the grafted polymers, mention may be made of silicone polymers grafted with a hydrocarbon chain and hydrocarbon polymers grafted with a silicone chain.

Also suitable are graft copolymers having, for example, an insoluble skeleton of polyacrylic type with soluble grafts of poly (12-hydroxy stearic acid) type.

Mention may also be made, as stabilizing polymer: (a) of graft or block block copolymers comprising at least one block of polyorganosiloxane type and at least one block of a polymer (i) resulting from radical polymerization or (ii) originating from polycondensation, in particular of the polyether, polyester or polyamide type, or a mixture thereof, said copolymer possibly comprising fluorinated entities;

As graft or block block copolymers comprising at least one block of polyorganosiloxane type and at least one block of a radical polymer, mention may be made of graft copolymers of acrylic / silicone type which can be used in particular when the non-aqueous medium is silicone.

When the grafted or sequenced block copolymers comprise at least one block of polyorganosiloxane type and at least one polyether block, the polyorganopolysiloxane block may in particular be a polydimethylsiloxane or alternatively a polyalkyl (C2-Cis) methyl siloxane; the polyether block may be a poly C2-C18 alkylene, in particular polyoxyethylene and / or polyoxypropylene. Copolyol dimethicones or else alkyl (C2-C18) methicones copolyol, optionally crosslinked, can thus be used. One can for example use dimethicone copolyol sold under the name "DOW CORNING 3225C" by the company DOW CORNING, or lauryl methicone copolyol sold under the name "DOW CORNING Q2-5200 by the company" DOW CORNING ".

Mention may also be made of lauryl dimethicone copolyol crosspolymer, for example KSG31 or KSG32 from Shin-Etsu, cetyl dimethicone copolyol such as DMC 3071 from GE, and dimethicone copolyol PPG-3-oleyl ether such as KF-6026 Shin Etsu. (b) block, graft or block copolymers of C1-C4 alkyl (meth) acrylates and of Cs-C30 alkyl (meth) acrylates. Mention may be made of the stearyl methacrylate / methyl methacrylate copolymer. (c) graft or block block copolymers comprising at least one block resulting from the polymerization of ethylenic monomer, with one or more ethylenic bonds optionally conjugated, and / or in particular of dienes; and at least one block of polymer derived from radical polymerization other than diene, in particular derived from vinyl monomer, (meth) acrylic or (meth) acrylamide, or from a polyether, a polyester or a polyamide, or their mixtures.

In particular, it is possible to use the copolymers comprising at least one block resulting from the polymerization of at least one ethylenic monomer, with one or more optionally conjugated ethylenic bonds, such as ethylene, butadiene, isoprene, and at least minus one block of a styrenic polymer. When the ethylenic monomer has several optionally conjugated ethylenic bonds, the residual ethylenic unsaturations after the polymerization are generally hydrogenated. Thus, in known manner, the polymerization of isoprene leads, after hydrogenation, to the formation of ethylene-propylene block, and the polymerization of butadiene leads, after hydrogenation, to the formation of ethylene-butylene block. Among these block copolymers, mention may be made of copolymers of the “diblock” or “triblock” type of the polystyrene / polyisoprene, polystyrene / polybutadiene type, such as those sold under the name 'LUVITOL HSB' by BASF, of the polystyrene / copoly type (ethylene -propylene) such as those sold under the name of “KRATON” by Shell Chemical Co or also of the polystyrene / copoly (ethylene-butylene) type.

As graft or block block copolymers comprising at least one block resulting from the polymerization of at least one ethylenic monomer, such as ethylene, isobutylene, and at least one block of an acrylic polymer such as methacrylate methyl, mention may be made of bi- or tri-sequenced poly (methyl methacrylate) / polyisobutylene copolymers or graft copolymers with poly (methyl methacrylate) backbone and with polyisobutylene grafts.

As grafted or block block copolymers comprising at least one block resulting from the polymerization of at least one ethylenic monomer and at least one block of a polyether such as a C2-C18 polyoxyalkylene, in particular polyoxyethylenated and / or polyoxypropylenated , mention may be made of polyoxyethylene / polybutadiene or polyoxyethylene / polyisobutylene bi- or tri-block copolymers.

It is also possible to use, as stabilizer, compounds such as: (d) alkyl dimethicones in which the alkyl group comprises 6 to 32 carbon atoms, such as lauryl methicone and stearyl methicone, in particular Si tec LDM 3107 from ISP , cetyl dimethicone such as ABIL Wax 9801, behenoxydimethicone such as ABIL 5440 from Goldschmidt (e) dimethiconol ester of formula:

in which R is an alkyl radical having 6 to 32 carbon atoms, such as dimethiconol behenate, and in particular the products ULTRABEE from NOVEON and Pecosil DB from Phoenix Chemical. (f) alkylamidoamines having in particular 6 to 60 carbon atoms, in particular 12 to 50, such as behenamidopropyldimethylamine and in particular Catemol 220 from Phoenix Chemical, of formula:

(g) copolymers comprising at least one polyorganosiloxane part and fluorinated groups, and in particular the fluorinated silicones or fluorosilicones which can be represented by the formula:

in which x is an integer between 3 and 12, preferably 5 and 10, in particular x = 8; y is an integer between 2 and 6, preferably 2 or 3; and m and n are such that the molecular weight of the compound is between 5000 and 15000; and more particularly perfluorononyldimethicone, such as those sold under the name PECOSIL FSH-150 and 300 or PECOSIL FSL-150 and 300 by Phoenix Chemical;

When the synthetic solvent is apolar, it is preferable to choose, as stabilizer, a polymer providing the most complete coverage of the particles possible, several chains of polymer-stabilizers then being adsorbed on a polymer particle obtained by polymerization.

In this case, it is then preferable to use, as stabilizer, either a grafted polymer or a block polymer, so as to have better interfacial activity. In fact, the sequences or grafts which are insoluble in the synthesis solvent provide more voluminous coverage on the surface of the particles.

When the liquid synthetic solvent comprises at least one silicone oil, the stabilizing agent is preferably chosen from the group consisting of graft or block block copolymers comprising at least one block of polyorganosiloxane type and at least one block of a polymer radical or of a polyether or of a polyester such as polyoxypropylenated and / or oxyethylenated blocks.

It is possible to add a plasticizer to the polymer dispersion so as to lower the Tg of the polymers used. The plasticizer can be chosen from the plasticizers usually used in the field of application and in particular from the compounds capable of being solvents for the polymer. The plasticizer can be integrated during the synthesis or added once the synthesis has been carried out.

In a particularly preferred manner, the stabilizing agent is a polymer of isobornyl (meth) acrylate chosen from the homopolymer of isobornyl (meth) acrylate and the random copolymers of isobornyl (meth) acrylate and (meth) C1-C4 alkyl acrylate present in a weight ratio (meth) isobornyl acrylate / (meth) C1-C4 alkyl acrylate greater than 4, preferably greater than 4.5, and even more advantageously greater or equal to 5.

Advantageously, said weight ratio ranges from 4.5 to 19, preferably from 5 to 19 and more particularly from 5 to 12.

Thus, according to a particular embodiment, the composition according to the invention comprises a stabilizing agent (s) which is (are) a random copolymer of isobornyl (meth) acrylate and (meth) acrylate of C1-C4 alkyl present in a weight ratio (meth) isobornyl acrylate / (meth) acrylate of C1-C4 alkyl greater than or equal to 5.

Advantageously, the stabilizing agent is chosen from: - isobornyl acrylate homopolymers, - random copolymers of isobornyl acrylate / methyl acrylate, - random copolymers of isobornyl acrylate / methyl acrylate / ethyl acrylate, and - random copolymers of isobornyl methacrylate / methyl acrylate, according to the weight ratio described above.

The stabilizing polymer preferably has a number average molecular weight ranging from 10,000 to 400,000, preferably ranging from 20,000 to 200,000.

The stabilizing polymer is in contact with the surface of the polymer particles and thus makes it possible to stabilize these particles on the surface, in particular for maintaining these particles in dispersion in the non-aqueous medium of the dispersion.

Advantageously, the stabilizer (s) + polymer (s) assembly of the particles, in particular present in the dispersion, comprises from 5% to 50% by weight of isobornyl (meth) acrylate polymerized and from 50% to 95% by weight of polymerized C1-C4 alkyl (meth) acrylate, relative to the total weight of the set of stabilizer (s) + polymer (s) of the particles.

Preferably, the stabilizing polymer (or stabilizing agent) is soluble in the non-aqueous medium, and more preferably soluble in hydrocarbon oils, and better still soluble in isododecane.

It is possible to use from 10 to 30% by weight of stabilizer relative to the total weight of monomers used (stabilizer + polymer of the particles), and preferably from 15 to 25% by weight.

The dispersion of polymer particles preferably comprises from 30 to 65% by weight of dry matter, relative to the total weight of the dispersion, and more preferably from 40 to 60% by weight.

Preferably, the content of dispersion (s) of particles, present in the composition according to the invention, ranges from 0.1 to 15% by weight, and more preferably from 0.5 to 10% by weight, relative to the weight total of the composition. By “content of dispersion (s) of particles” is meant within the meaning of the present invention the sum of the contents of polymer (s), of stabilizing agent (s) and in non-aqueous medium.

The hydrophobic film-forming polymer

The composition according to the present invention further comprises one or more hydrophobic film-forming polymers, preferably chosen from hydrocarbon block copolymers, hydrocarbon resins and their mixtures.

In the present application, the term “film-forming polymer” means a polymer capable of forming on its own or in the presence of an auxiliary film-forming agent, a macroscopically continuous deposit, and preferably a cohesive deposit, and better still a deposit of which the cohesion and the mechanical properties are such that the said deposit can be isolatable and can be handled in isolation, for example when the said deposit is produced by casting on a non-stick surface such as a teflon or silicone surface.

By "hydrophobic" or "non-water-soluble" polymer is meant that the polymer is not soluble in water, according to the definition below.

By water-soluble polymer is meant that the polymer dissolves in water or in a 50/50 mixture by volume of water and ethanol, or else in a mixture of water and isopropanol, without modification of pH, at a dry matter content of 5% by weight, at room temperature (25 ° C, 1 atm.). The polymer is considered to be soluble if it does not form a precipitate or agglomerate visible to the eye, when it is dissolved, and therefore leads to a clear solution.

In a preferred embodiment, the hydrophobic film-forming polymer (s) are chosen from hydrocarbon block copolymers.

By “block” polymer is meant a polymer comprising at least 2 distinct blocks, preferably at least 3 distinct blocks.

The hydrocarbon block copolymers suitable for the invention, also called block copolymers, are preferably soluble or dispersible in the oily phase.

The hydrocarbon block copolymers can in particular be diblock copolymers.

Such hydrocarbon block copolymers are described in application US-A-2002/005562 and in patent US-A-5,221,534.

The copolymers may have at least one block, the glass transition temperature of which is preferably less than 20 ° C, preferably less than or equal to 0 ° C, preferably less than or equal to -20 ° C, more preferably less than or equal to -40 ° C. The glass transition temperature of said block can be between -150 ° C and 20 ° C, in particular between -100 ° C and 0 ° C.

The hydrocarbon block copolymers present in the composition of the process according to the invention can be amorphous copolymers formed by polymerization of an olefin. The olefin may in particular be an elastomeric ethylenically unsaturated monomer.

By "amorphous polymer" is meant a polymer which has no crystalline form.

As an example of an olefin, mention may be made of ethylene carbide monomers, having in particular one or two ethylenic unsaturations, having from 2 to 5 carbon atoms such as ethylene, propylene, butadiene, isoprene, or pentadiene .

Advantageously, the hydrocarbon block copolymers are amorphous block copolymers of styrene and olefin.

Particularly preferred are block copolymers comprising at least one styrene block and at least one block comprising units chosen from butadiene, ethylene, propylene, butylene, isoprene or one of their mixtures.

According to a preferred embodiment, the hydrocarbon block copolymers are hydrogenated to reduce the residual ethylenic unsaturations after the polymerization of the monomers.

In particular, the hydrocarbon block copolymers are copolymers, optionally hydrogenated, with styrene blocks and with ethylene / C3-C4 alkylene blocks.

According to a preferred embodiment, the composition according to the invention comprises at least one diblock copolymer, preferably hydrogenated, preferably chosen from styrene-ethylene / propylene copolymers, styrene-ethylene / butadiene copolymers, styrene copolymers -ethylene / butylene. Diblock polymers are sold in particular under the name Kraton® G1701E by the company Kraton Polymers.

Advantageously, a diblock copolymer such as those described above is used as the hydrocarbon block copolymer, in particular a styrene-ethylene / propylene diblock copolymer.

In another preferred embodiment, the hydrophobic film-forming polymer or polymers are chosen from hydrocarbon resins.

The hydrocarbon resins are preferably chosen from polymers of low molecular weight which can be classified, according to the type of monomer which they comprise, into: - indene hydrocarbon resins, preferably such as the resins resulting from the polymerization in majority proportion of indene monomer and in a minority proportion of monomer chosen from styrene, methylindene, methylstyrene and their mixtures. These resins can possibly be hydrogenated. These resins can have a molecular weight ranging from 290 to 1150 g / mol;

As examples of indene resins, mention may be made of those sold under the reference ESCOREZ 7105 by the company Exxon Chem., NEVCHEM 100 and NEVEX 100 by the company Neville Chem., NORSOLENE S105 by the company Sartomer, PICCO 6100 by the company Hercules and RESINALL by the company Resinall Corp., or the hydrogenated indene / methylstyrene / styrene copolymers sold under the name "REGALITE" by the company Eastman Chemical, in particular REGALITE R 1100, REGALITE R 1090, REGALITE R-7100, REGALITE R1010 HYDROCARBON RESIN, REGALITE RI 125 HYDROCARBON RESIN; - aliphatic pentanediene resins such as those resulting from the polymerization mainly of the 1,3-pentanediene monomer (trans or cis piperylene) and of minority monomer (s) chosen from isoprene, butene, 2 -methyl-2-butene, pentene, 1,4-pentanediene and their mixtures. These resins can have a molecular weight ranging from 1,000 to 2,500 g / mol;

Such 1,3-pentanediene resins are sold, for example, under the references PICCOTAC 95 by the company Eastman Chemical, Escorez 1304 by the company Exxon Chemicals, NevTAC 100 by the company Neville Chem, or Wingtack 95 by the company Goodyear; - mixed pentanediene and indene resins, which result from the polymerization of a mixture of pentanediene and indene monomers such as those described above, such as for example the resins sold under the reference Escorez 2101 by the company Exxon Chemicals., Nevpene 9500 by the company Neville Chem., Hercotac 1148 by the company Hercules., Norsolene A 100 by the company Sartomer, Wingtack 86, Wingtack Extra and Wingtack Plus by the company Goodyear, - diene resins of cyclopentanediene dimers such than those resulting from the polymerization of the first monomer chosen from indene and styrene, and from the second monomer chosen from dimers of cyclopentanediene such as dicyclopentanediene, methyldicyclopentanediene, the other dimers of pentanediene, and their mixtures. These resins generally have a molecular weight ranging from 500 to 800 g / mol, such as for example those sold under the reference BETAPRENE BR 100 by the company Arizona Chemical Co., Neville LX-685-125 and Neville LX-1000 by the company Neville Chem., Piccodiene 2215 by Hercules, Petro-Rez 200 by Lawter or Resinall 760 by Resinall Corp. ; - diene resins of isoprene dimers such as terpene resins resulting from the polymerization of at least one monomer chosen from oc-pinene, oc-pinene, limonene, and their mixtures. These resins can have a molecular weight ranging from 300 to 2,000 g / mol. Such resins are sold, for example, under the name PICCOLYTE Al 15 and S125 by the company Hercules, ZONAREZ 7100 or ZONATAC 105 LITE by the company ARIZONA Chem.

According to a preferred embodiment, the hydrocarbon resin is chosen from hydrocarbon resins which are solid at room temperature (20 ° C.).

According to a preferred embodiment, the hydrocarbon resin is chosen from indene hydrocarbon resins, aliphatic resins of pentanediene, mixed resins of pentanediene and indene, diene resins of cyclopentanediene dimers, diene resins of dimers of isoprene and mixtures thereof.

Preferably, the composition comprises at least one compound chosen from hydrocarbon resins as described above, in particular from indene hydrocarbon resins, aliphatic pentanediene resins, and their mixtures. According to a preferred embodiment, the hydrocarbon resin is chosen from indene hydrocarbon resins.

According to a preferred embodiment, the resin is chosen from indene / methylstyrene / hydrogenated styrene copolymers.

In particular, it is possible to use the hydrogenated indene / methylstyrene / styrene copolymers, such as those marketed under the name “REGALITE” by the company Eastman Chemical, such as REGALITE R 1100 CG HYDROCARBON RESIN, REGALITE R 1100, REGALITE R 1090 , REGALITE R-7100, REGALITE R1010 HYDROCARBON RESIN, REGALITE RI 125 HYDROCARBON RESIN.

Preferably, the hydrocarbon resin is chosen from indene hydrocarbon resins, aliphatic pentanediene resins, mixed pentanediene and indene resins, diene resins of cyclopentanediene dimers, diene resins of isoprene dimers and their mixtures , preferably from indene hydrocarbon resins, aliphatic pentanediene resins, and mixtures thereof, and more preferably from indene hydrocarbon resins.

The content of the hydrophobic film-forming polymer (s) present in the composition according to the invention preferably ranges from 0.5 to 25% by weight, more preferably from 1 to 20% by weight, and better still from 2 to 15% by weight. weight, relative to the total weight of the composition.

The weight ratio between the content of dispersion (s) of particles and the content of film-forming polymer (s) hydrophobic (s), present in the composition according to the invention, is preferably less than or equal to 1, more preferably this weight ratio ranges from 0.05 to 1, and better still from 0.1 to 0.8. Water and solvents

The composition according to the present invention further comprises water in a content greater than or equal to 30% by weight, relative to the total weight of the composition.

Preferably, the water content, present in the composition of the invention, ranges from 30 to 98% by weight, preferably from 50 to 95% by weight, and more preferably from 65 to 95% by weight, relative to the total weight of the composition.

In addition to water mainly contained in the aqueous phase and at least one oil mainly contained in the non-aqueous phase, the composition according to the present invention may optionally comprise one or more organic solvents, or mixtures thereof. As organic solvent, mention may, for example, be made of alkanols, linear or branched, in C2 to C4, such as ethanol and isopropanol; glycerol; polyols and polyol ethers such as 2-butoxyethanol, propylene glycol, hexylene glycol, dipropylene glycol, propylene glycol monomethyl ether, monoethyl ether and monomethyl ether of diethylene glycol, as well as aromatic alcohols or ethers such as benzyl alcohol or phenoxyethanol, and mixtures thereof.

The composition according to the present invention can optionally further comprise one or more alkaline agents.

Among the alkaline agents, there may be mentioned, ammonia, (bi) carbonates of alkali metals, alkaline earth metals or of guanidine, alkanolamines such as mono-, di- and triethanolamines as well as their derivatives, metal silicates alkali or alkaline earth metal, hydroxides of alkali or alkaline earth metal such as sodium or potassium hydroxide and the compounds of formula (I) below:

Rr r 6 \

N WN R? / R '(I) formula (I), in which W is a group (Ci-C6alkylene, linear or branched, in particular propylene, optionally substituted by one or more hydroxyl groups; R6, R7, Rs and R9 , identical or different, represent a hydrogen atom, a C1-C4 alkyl radical or a C1-C4 hydroxyalkyl radical.

The organic alkaline agent (s) are preferably chosen from organic amines whose pKb at 25 ° C is less than 12, and preferably less than 10, even more advantageously less than 6. It should be noted that these are pKb corresponding to the highest basicity function. In addition, organic amines do not include a fatty chain, alkyl or alkenyl, comprising more than ten carbon atoms.

Preferably, the alkaline agent (s) are chosen from alkanolamines such as monoethanolamine, diethanolamine, triethanolamines, and their mixtures.

The composition according to the present invention may optionally further comprise one or more thickeners of aqueous phase.

By “aqueous phase thickener” is meant according to the present invention compounds which increase by their presence at a concentration of 0.05% by weight the viscosity of the aqueous phase into which they are introduced by at least 20 cps, preferably at least 50 cps, at room temperature (25 ° C), at atmospheric pressure and at a shear rate of ls "1 (the viscosity can be measured using a cone / plane viscometer, Haake rheometer R600 or the like).

The aqueous phase thickener (s) are preferably chosen from non-associative thickening polymers with sugar units, non-associative thickening polymers without sugar unit, associative thickening polymers, and mixtures of these compounds.

By sugar unit is meant in the sense of the present invention an oxygenated hydrocarbon compound which has several alcohol functions, with or without aldehyde or ketone function, and which contains at least 4 carbon atoms.

The sugar units can be optionally modified by substitution, and / or by oxidation and / or by dehydration.

The sugar units which can enter into the composition of the thickening polymers of aqueous phase of the invention preferably come from the following sugars: glucose; galactose; arabinose; rhamnose; mannose; xylose; fucose; anhydrogalactose; galacturonic acid; glucuronic acid; mannuronic acid; galactose sulfate; anhydrogalactose sulfate and fructose.

Mention may in particular be made, as non-associative thickening polymers with sugar units, of native gums such as: a) exudates from trees or shrubs including: - gum arabic (branched polymer of galactose, arabinose, rhamnose and glucuronic acid); - ghatti gum (polymer derived from arabinose, galactose, mannose, xylose and glucuronic acid); - karaya gum (polymer derived from galacturonic acid, galactose, rhamnose and glucuronic acid); - tragacanth (or tragacanth) gum (polymer of galacturonic acid, galactose, fucose, xylose and arabinose); b) gums derived from algae, including: - agar (polymer derived from galactose and anhydrogalactose); - alginates (polymers of mannuronic acid and glucuronic acid); - carrageenans and furcelleranes (polymers of galactose sulfate and anhydrogalactose sulfate); c) gums obtained from seeds or tubers including: - guar gum (polymer of mannose and galactose); - carob gum (polymer of mannose and galactose); - fenugreek gum (polymer of mannose and galactose); - tamarind gum (polymer of galactose, xylose and glucose); - konjac gum (glucose polymer and mannose); d) microbial gums, including: - xanthan gum (polymer of glucose, mannose acetate, mannose / pyruvic acid and glucuronic acid); - gellan gum (partially acylated glucose polymer, rhamnose and glucuronic acid); - scleroglucan gum (glucose polymer); e) plant extracts including: - cellulose (glucose polymer); - starch (glucose polymer) and - inulin.

These polymers can be modified physically or chemically. By way of physical treatment, mention may especially be made of temperature. As chemical treatments, mention may be made of esterification, etherification, amidation, oxidation reactions. These treatments make it possible to lead to polymers which can be in particular nonionic, anionic or amphoteric.

Preferably, these chemical or physical treatments are applied to guar gums, carob gums, starches and celluloses.

The non-ionic guar gums which can be used according to the invention can be modified by (poly) hydroxylakyl C 1 -C 6 groups.

Among the C1-C6 (poly) hydroxyalkyl groups that may be mentioned by way of example, the hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl groups.

These guar gums are well known in the state of the art and can for example be prepared by reacting oxides of corresponding alkenes such as for example propylene oxides with guar gum so as to obtain a guar gum modified by hydroxypropyl groups.

The rate of hydroxyalkylation preferably varies from 0.4 to 1.2 and corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on guar gum.

Such nonionic guar gums optionally modified with hydroxyalkyl groups are for example sold under the trade names JAGUAR HP8, JAGUAR HP60 and JAGUAR HP120 by the company RHODIA CHIMIE.

The starch molecules which can be used in the present invention may have cereals or tubers as botanical origin. Thus, the starches are for example chosen from starches of corn, rice, cassava, barley, potato, wheat, sorghum, peas.

The starches can be modified chemically or physically: in particular by one or more of the following reactions: pregelatinization, oxidation, crosslinking, esterification, etherification, amidation, heat treatments.

Diamidon phosphates or compounds rich in diamidon phosphate will preferably be used, such as the product proposed under the references PREJEL VA-70-T AGGL (phosphate of hydroxypropylated cassava gelatinized) or PREJEL TK1 (phosphate of diamidon of cassava gelatinized) or PREJEL 200 (acetylated cassava diamidon phosphate gelatinized) by the company AVEBE or NATIONAL STARCH STRUCTURE ZEA (diamatin phosphate cornified gelatinized).

According to the invention, amphoteric starches can also be used, these amphoteric starches comprise one or more anionic groups and one or more cationic groups. The anionic and cationic groups can be linked to the same reactive site of the starch molecule or to different reactive sites; preferably they are linked to the same reactive site. The anionic groups can be of the carboxylic, phosphate or sulphate type and preferably carboxylic. The cationic groups can be of primary, secondary, tertiary or quaternary amine type.

The starch molecules can come from all vegetable sources of starch such as in particular corn, potato, oats, rice, tapioca, sorghum, barley or wheat. It is also possible to use the hydrolysates of the starches mentioned above. The starch is preferably obtained from the potato.

The non-associative thickening polymers of the invention can be cellulosic polymers that do not contain a C10-C30 fatty chain in their structure.

The term “cellulosic” polymer is understood to mean, according to the invention, any polysaccharide compound having in its structure sequences of glucose residues united by β-1,4 bonds; in addition to unsubstituted celluloses, the cellulose derivatives can be anionic, cationic, amphoteric or nonionic.

Thus, the cellulose polymers which can be used according to the invention can be chosen from unsubstituted celluloses, including in microcrystalline form and cellulose ethers.

Among these cellulose polymers, there are the cellulose ethers, the cellulose esters and the cellulose ether esters.

Among the cellulose esters, there are inorganic cellulose esters (nitrates, sulfates or cellulose phosphates, etc.), organic cellulose esters (monoacetates, triacetates, amidopropionates, acetatebutyrates, acetatepropionates or acetate trimellitates, etc.) and mixed organic / inorganic esters of cellulose such as acetate butyratesulfates and cellulose acetate propionatesulfates. Among the cellulose ether esters, mention may be made of hydroxypropylmethylcellulose phthalates and ethylcellulose sulfates.

Among the non-ionic cellulose ethers without a C10-C30 fatty chain, ie “non-associative”, mention may be made of (Ci-CQalkylcelluloses such as methylcelluloses and ethylcelluloses (for example Ethocel standard 100 Premium from DOW CHEMICAL); poly) hydroxy (Ci-C4) alkylcelluloses such as hydroxymethylcelluloses, hydroxyethylcelluloses (for example Natrosol 250 HHR proposed by AQUALON) and hydroxypropylcelluloses (for example Klucel EF from AQUALON); mixed (poly) hydroxy celluloses (Ci-C4 ) alkyl- (Ci-C4) alkyl celluloses such as hydroxypropyl-methylcelluloses (for example Methocel E4M from DOW CHEMICAL), hydroxyethyl-methylcelluloses, hydroxyethyl-ethylcelluloses (for example Bermocoll E 481 FQ from AKZO NOBEL) and hydroxybutyl -méthylcelluloses.

Among the anionic cellulose ethers without a fatty chain, mention may be made of (poly) carboxy (Ci-C4) alkylcelluloses and their salts. By way of example, mention may be made of carboxymethylcelluloses, carboxymethylmethylcelluloses (for example Blanose 7M from the company AQUALON) and carboxymethylhydroxyethylcelluloses and their sodium salts.

Among the cationic cellulose ethers without a fatty chain, mention may be made of cationic cellulose derivatives such as cellulose copolymers or cellulose derivatives grafted with a water-soluble quaternary ammonium monomer, and described in particular in US Pat. No. 4,131,576, such as (poly) hydroxy (Ci-C4) alkyl celluloses, such as hydroxymethyl-, hydroxyethyl- or hydroxypropyl celluloses grafted in particular with a salt of methacryloylethyl trimethylammonium, of methacrylmidopropyl trimethylammonium, of dimethyl-diallylammonium. The marketed products meeting this definition are more particularly the products sold under the name "Celquat® L 200" and "Celquat® H 100" by the National Starch Company.

Among the non-associative thickening polymers without sugar units which can be used according to the invention, mention may be made of cross-linked acrylic or methacrylic acid homopolymers or copolymers, cross-linked homopolymers of 2-acrylamido-2-methyl-propane sulfonic acid and their cross-linked copolymers d acrylamide, ammonium acrylate homopolymers or copolymers of ammonium acrylate and acrylamide alone or in mixtures.

A first family of suitable non-associative thickening polymers is represented by crosslinked acrylic acid homopolymers.

Among homopolymers of this type, mention may be made of those crosslinked with an allyl alcohol ether of the sugar series, such as for example the products sold under the names CARBOPOLS 980, 981, 954, 2984 and 5984 by the company NOVEON or products sold under the names SYNTHALEN M and SYNTHALEN K by the company 3 VSA. These polymers are called INCI Carbomer.

The non-associative thickening polymers can also be crosslinked (meth) acrylic acid copolymers such as the polymer sold under the name AQUA SF1 by the company NOVEON.

The non-associative thickening polymers can be chosen from crosslinked homopolymers of 2-acrylamido-2-methylpropane sulfonic acid and their crosslinked acrylamide copolymers.

Among the crosslinked copolymers of 2-acrylamido-2-methyl-propane sulfonic acid and of partially or fully neutralized acrylamide, mention may be made in particular of the product described in Example 1 of document EP 503 853 and it may be refer to this document for these polymers.

The composition may likewise comprise, as non-associative thickening polymers, homopolymers of ammonium acrylate or copolymers of ammonium acrylate and of acrylamide. As examples of ammonium acrylate homopolymers, mention may be made of the product sold under the name MICROSAP PAS 5193 by the company HOECHST. Among the copolymers of ammonium acrylate and of acrylamide, mention may be made of the product sold under the name BOZEPOL C NEW or the product PAS 5193 sold by the company HOECHST. Reference may in particular be made to documents FR 2 416 723, US 2798053 and US 2923692 with regard to the description and preparation of such compounds.

It is also possible to use cationic thickening polymers of acrylic type.

Among the thickening polymers of the aqueous phases, mention may also be made of associative polymers well known to those skilled in the art and in particular of a nonionic, anionic, cationic or amphoteric nature.

It is recalled that the "associative polymers" are polymers capable, in an aqueous medium, of reversibly associating with each other or with other molecules.

Their chemical structure more particularly comprises at least one hydrophilic zone and at least one hydrophobic zone.

By "hydrophobic group" is meant a radical or polymer with a hydrocarbon chain, saturated or unsaturated, linear or branched, comprising at least 10 carbon atoms, preferably from 10 to 30 carbon atoms, in particular from 12 to 30 carbon atoms. carbon and more preferably from 18 to 30 carbon atoms.

Preferably, the hydrocarbon group comes from a monofunctional compound. For example, the hydrophobic group can be derived from a fatty alcohol such as stearyl alcohol, dodecyl alcohol, decyl alcohol. It can also denote a hydrocarbon polymer such as for example polybutadiene.

Among the associative polymers of anionic type, there may be mentioned: - (a) those comprising at least one hydrophilic unit, and at least one allyl ether unit with a fatty chain, more particularly those whose hydrophilic unit consists of an anionic monomer ethylenically unsaturated, more particularly still by a vinyl carboxylic acid and very particularly by an acrylic acid or a methacrylic acid or mixtures thereof.

Among these anionic associative polymers, particularly preferred according to the invention, the polymers formed from 20 to 60% by weight of acrylic acid and / or methacrylic acid, from 5 to 60% by weight of (meth) acrylates lower alkyls, from 2 to 50% by weight of fatty chain allyl ether, and from 0 to 1% by weight of a crosslinking agent which is a well known copolymerizable polyethylene unsaturated monomer, such as diallyl phthalate , allyl (meth) acrylate, divinylbenzene, (poly) ethylene glycol dimethacrylate, and methylene-bis-acrylamide.

Among the latter, very particularly preferred are crosslinked terpolymers of methacrylic acid, ethyl acrylate, polyethylene glycol (10 EO) stearyl alcohol ether (Steareth 10), in particular those sold by the company CIBA under the names SALCARE SC80® and SALCARE SC90® which are 30% aqueous emulsions of a crosslinked terpolymer of methacrylic acid, ethyl acrylate and steareth-10-allyl ether (40/50/10). - (b) those comprising i) at least one hydrophilic unit of olefinic unsaturated carboxylic acid type, and ii) at least one hydrophobic unit of alkyl ester (C10-C30) type of unsaturated carboxylic acid.

(C10-C30) alkyl esters of unsaturated carboxylic acids useful in the invention include, for example, lauryl acrylate, stearyl acrylate, decyl acrylate, isodecyl acrylate, dodecyl acrylate, and the corresponding methacrylates, lauryl methacrylate, stearyl methacrylate, decyl methacrylate, isodecyl methacrylate, and dodecyl methacrylate.

Anionic polymers of this type are for example described and prepared, according to US Patents 3,915,921 and 4,509,949.

Among this type of anionic associative polymers, use will be made more particularly of those consisting of 95 to 60% by weight of acrylic acid (hydrophilic unit), 4 to 40% by weight of C10-C30 alkyl acrylate (hydrophobic unit) , and 0 to 6% by weight of polymerizable crosslinking monomer, or else those consisting of 98 to 96% by weight of acrylic acid (hydrophilic unit), 1 to 4% by weight of C10-C30 alkyl acrylate ( hydrophobic unit), and 0.1 to 0.6% by weight of crosslinking polymerizable monomer such as those described above.

Among said polymers above, very particularly preferred according to the present invention, the products sold by the company GOODRICH under the trade names PEMULEN TRI®, PEMULEN TR2®, CARBOPOL 1382®, and even more preferably PEMULEN TRI®, and the product sold by SEPPIC under the name COATEX SX®.

Mention may also be made of the acrylic acid / lauryl methacrylate / vinylpyrrolidone terpolymer sold under the name Acrylidone LM by the company ISP. - (c) terpolymers of maleic anhydride / C30-C38 α-olefin / alkyl maleate such as the product (copolymer maleic anhydride / C3o-C38 α / isopropyl maleate) sold under the name PERFORMA V 1608® by NEWPHASE TECHNOLOGIES. - (d) acrylic terpolymers comprising: i) approximately 20 to 70% by weight of an α, β-monoethylenically unsaturated carboxylic acid [A], ii) approximately 20 to 80% by weight of an α unsaturated monomer , non-surfactant β-monoethylenic other than [A], iii) approximately 0.5 to 60% by weight of a nonionic mono-urethane which is the reaction product of a monohydric surfactant with a monoethylenically unsaturated monoisocyanate, such as those described in patent application EP-A-0173109 and more particularly that described in Example 3, namely, a methacrylic acid / methyl acrylate / dimethyl metaisopropenyl benzyl isocyanate terpolymer ethoxylated (40OE) in 25% aqueous dispersion. - (e) copolymers comprising, among their monomers, an α, β-monoethylenically unsaturated carboxylic acid and an ester of α, β-monoethylenically unsaturated carboxylic acid and an oxyalkylenated fatty alcohol.

Preferably, these compounds also comprise, as monomer, an ester of α, β-monoethylenically unsaturated carboxylic acid and of C1-C4 alcohol. As an example of this type of compound, mention may be made of ACULYN 22® sold by the company ROHM and HAAS, which is a methacrylic acid / ethyl acrylate / oxyalkylenated stearyl methacrylate terpolymer as well as ACULYN 88 also sold by the company ROHM and HAAS. - (f) Amphiphilic polymers comprising at least one ethylenically unsaturated monomer containing a sulfonic group, in free or partially or totally neutralized form and comprising at least one hydrophobic part. These polymers can be crosslinked or non-crosslinked. They are preferably crosslinked.

The ethylenically unsaturated monomers containing a sulfonic group are chosen in particular from vinylsulfonic acid, styrenesulfonic acid, (meth) acrylamido (Ci-C22) alkylsulfonic acids, N- (Ci-C22) alkyl (meth) acrylamido- acids. (Ci-C22) alkylsulfonic like undecyl-acrylamido-methane-sulfonic acid as well as their partially or totally neutralized forms.

More preferably, use will be made of (meth) acrylamido (Ci-C22) alkylsulfonic acids such as, for example, acrylamido-methane-sulfonic acid, acrylamido-ethane-sulfonic acid, acrylamido-propane-sulfonic acid, 2-acry acid 1 friend do-2-methyl lpropane-sulfonic, methacrylamido-2-methylpropane-sulfonic acid, 2-acrylamido-n-butane-sulfonic acid, 2-acrylamido-2,4 acid, 4-trimethylpentane-sulfonic, 2-methacrylamido-dodecyl-sulfonic acid, 2-acrylamido-2,6-dimethyl-3-heptane-sulfonic acid and their partially or totally neutralized forms.

More particularly, 2-acrylamido-2-methylpropane-sulfonic acid (AMPS) will be used as well as its partially or completely neutralized forms.

The polymers of this family can in particular be chosen from random amphiphilic polymers of AMPS modified by reaction with an n-monoalkylamine or a di-n-C6-C22 alkylamine, and such as those described in patent application WO 00 / 31154 (forming an integral part of the content of the description). These polymers may also contain other hydrophilic ethylenically unsaturated monomers chosen, for example, from (meth) acrylic acids, their alkyl derivatives substituted in β or their esters obtained with monoalcohols or mono- or polyalkylene glycols, (meth) acrylamides , vinylpyrrolidone, maleic anhydride, itaconic acid or maleic acid or mixtures of these compounds.

The preferred polymers of this family are chosen from amphiphilic copolymers of AMPS and of at least one hydrophobic ethylenically unsaturated monomer.

These same copolymers can also contain one or more ethylenically unsaturated monomers not comprising a fatty chain such as (meth) acrylic acids, their alkyl derivatives substituted in β or their esters obtained with monoalcohols or mono- or polyalkylene glycols, (meth) acrylamides, vinylpyrrolidone, maleic anhydride, itaconic acid or maleic acid or mixtures of these compounds.

These copolymers are described in particular in patent application EP-A-750899, US patent 5089578 and in the following publications by Yotaro Morishima: “Self-assembling amphiphilic polyelectrolytes and their nanostructures - Chinese Journal of Polymer Science Vol. 18, No. 40, (2000), 323-336. "; - "Miscelle formation of random copolymers of sodium 2- (acrylamido) -2-methylpropanesulfonate and a non-ionic surfactant macromonomer in water as studied by fluorescence and dynamic light scattering - Macromolecules, Vol. 33, No. 10 (2000), 3694-3704 "; - "Solution properties of miscelle networks formed by non-ionic moieties covalently bound to an polyelectrolyte knows effects on rheological behavior - Langmuir,, Vol. 16, No. 12, (2000) 5324-5332 ”; - "Stimuli responsive amphiphilic copolymers of sodium 2- (acrylamido) -2-methylpropanesulfonate and associative macromonomers - Polym. Preprint, Div. Polym. Chem., 40 (2), (1999), 220-221 ”.

Among these polymers, mention may be made of: - crosslinked or non-crosslinked copolymers, neutralized or not, comprising from 15 to 60% by weight of AMPS units and from 40 to 85% by weight of (C8-Ci6) alkyl (meth) units acrylamide or (Cs-Ci6) alkyl (meth) acrylate units with respect to the polymer, such as those described in application EP-A 750 899; - terpolymers comprising from 10 to 90 mol% of acrylamide units, from 0.1 to 10 mol% of AMPS units and from 5 to 80 mol% of n- (C6-Ci8) alkylacrylamide units, such as those described in US patent 5,089,578.

Mention may also be made of copolymers of fully neutralized AMPS and of dodecyl methacrylate as well as copolymers of non-crosslinked and crosslinked AMPS and n-dodecylmethacrylamide, such as those described in the articles by Morishima cited above.

Among the cationic associative polymers that may be mentioned: (a) cationic associative polyurethanes; (b) the compound marketed by the company NOVEON under the name AQUA CC and which corresponds to the name INCI POLYACRYLATE-1 CROSSPOLYMER.

POLYACRYLATE-1 CROSSPOLYMER is the product of the polymerization of a mixture of monomers comprising: - a di (C1-C4 alkyl) amino (C1-C6 alkyl) methacrylate, - one or more C1 alkyl esters -C30 and (meth) acrylic acid, - a polyethoxylated C10-C30 alkyl methacrylate (20-25 moles of ethylene oxide unit), - a polyethylene glycol / polypropylene glycol allyl 30/5, - a hydroxy methacrylate (C2-C6 alkyl), and - an ethylene glycol dimethacrylate. (c) quaternized (poly) hydroxyethylcelluloses modified by groups comprising at least one fatty chain, such as alkyl, arylalkyl or alkylaryl groups containing at least 8 carbon atoms, or mixtures thereof. The alkyl radicals carried by the above quaternized celluloses or hydroxyethylcelluloses preferably contain from 8 to 30 carbon atoms. The aryl radicals preferably denote the phenyl, benzyl, naphthyl or anthryl groups. As examples of quaternized fatty chain Cs-C3o alkyl hydroxyethyl celluloses, such as the products QUATRISOFT LM 200®, QUATRISOFT LM-X 529-18-A®, QUATRISOFT LM-X 529-18-B®, C12 alkyl) and QUATRISOFT LM-X 529-8® (Cis alkyl) sold by AQUALON, the products CRODACEL QM®, CRODACEL QL® (C12 alkyl) and CRODACEL QS® (Cis alkyl) CRODA and the SOFTCAT SL 100® product sold by AQUALON. (d) cationic polyvinyllactam polymers.

Such polymers are for example described in patent application WO-OO / 68282.

As poly (vinyllactam) polymers according to the invention, particularly using the terpolymers vinylpyrrolidone / dimethylaminopropylmethacrylamide / dodecyldimethylmethacrylamidopropylammonium tosylate, the terpolymers vinylpyrrolidone / dimethylaminopropylmethacrylamide / tosylate cocoyldiméthyl-méthacrylamidopropylammonium, the terpolymers vinylpyrrolidone / dimethylaminopropylmethacrylamide / tosylate or chloride lauryldiméthylméthacrylamido -propylammonium.

The amphoteric associative polymers are preferably chosen from those comprising at least one non-cyclic cationic unit. More particularly still, those prepared from or comprising 1 to 20 mol% of monomer comprising a fatty chain, and preferably 1.5 to 15 mol% and more particularly still 1.5 to 6 mol%, are preferred, relative to the number total moles of monomers.

Amphoteric associative polymers according to the invention are for example described and prepared in patent application WO 9844012.

Among the amphoteric associative polymers according to the invention, the acrylic acid / (meth) acrylamidopropyl trimethyl ammonium chloride / stearyl methacrylate terpolymers are preferred.

The associative polymers of nonionic type which can be used according to the invention are preferably chosen from: (a) copolymers of vinyl pyrrolidone and of hydrophobic monomers with a fatty chain, which may be mentioned, for example: - ANTARON V216® products or GANEX V216® (vinylpyrrolidone / hexadecene copolymer) sold by the company ISP - ANTARON V220® or GANEX V220® products (vinylpyrrolidone / eicosene copolymer) sold by the company I.S.P. (b) copolymers of methacrylates or of C1-C6 alkyl acrylates and of amphiphilic monomers comprising at least one fatty chain such as for example the methyl acrylate / oxyethylenated steary acrylate sold by the company GOLDSCHMIDT under the name ANTIL 208®. (c) copolymers of hydrophilic methacrylates or acrylates and hydrophobic monomers comprising at least one fatty chain, such as for example the polyethylene glycol methacrylate / lauryl methacrylate copolymer. (d) polyether polyurethanes comprising in their chain, both hydrophilic sequences of a nature most often polyoxyethylenated and hydrophobic sequences which can be aliphatic sequences alone and / or cycloaliphatic and / or aromatic sequences. (e) polymers with an aminoplast ether skeleton having at least one fatty chain, such as the PURE THIX® compounds offered by the company SUD-CHEMIE. (f) celluloses or their derivatives, modified by groups comprising at least one fatty chain such as alkyl, arylalkyl, alkylaryl groups or their mixtures in which the alkyl groups are Cs- and in particular:

* nonionic alkylhydroxyethylcelluloses such as the products NATROSOL PLUS GRADE 330 CS and POLYSURF 67 (C6 alkyl) sold by the company AQUALON * nonoxynylhydroxyethylcelluloses nonionics such as the product AMERCELL HM-1500 sold by the company AMERCHOL; * non-ionic alkylcelluloses such as the product BERMOCOLL EHM 100 sold by the company BEROL NOBEL; (g) associative guar derivatives such as hydroxypropylguars modified by a fatty chain such as the product ESAFLOR HM 22 (modified by a C22 alkyl chain) sold by the company LAMBERTI; the product MIRACARE XC 95-3 (modified by a C14 alkyl chain) and the product RE 205-146 (modified by a C20 alkyl chain) sold by RHODIA CHIMIE.

Preferably, the polyether polyurethanes comprise at least two lipophilic hydrocarbon chains, having from 6 to 30 carbon atoms, separated by a hydrophilic block, the hydrocarbon chains being able to be pendant chains or chains at the end of hydrophilic block. In particular, it is possible that one or more hanging chains are provided. In addition, the polymer may comprise a hydrocarbon chain at one end or at both ends of a hydrophilic block.

The polyether polyurethanes can be multiblock in particular in the form of a triblock. The hydrophobic blocks can be at each end of the chain (for example: triblock copolymer with hydrophilic central block) or distributed both at the ends and in the chain (multiblock copolymer for example). These same polymers can also be in grafts or in a star.

The nonionic fatty chain polyurethane polyethers can be triblock copolymers whose hydrophilic block is a polyoxyethylenated chain comprising from 50 to 1000 oxyethylenated groups. Nonionic polyether polyurethanes have a urethane bond between hydrophilic blocks, hence the origin of the name.

By extension, also included among the nonionic fatty-chain polyurethane polyethers are those whose hydrophilic sequences are linked to the lipophilic sequences by other chemical bonds. As examples of non-ionic polyether polyurethanes with a fatty chain which can be used in the invention, it is also possible to use Rheolate 205® with urea function sold by the company RHEOX or also Rhéolates® 208, 204 or 212, as well as Acrysol RM 184®.

Mention may also be made of the product ELFACOS T210® with a C12-14 alkyl chain and the product ELFACOS T212® with a Cis alkyl chain from AKZO.

The product DW 1206B® from ROHM & HAAS with C20 alkyl chain and urethane bond, available at 20% dry matter in water, can also be used.

It is also possible to use solutions or dispersions of these polymers, especially in water or in an alcoholic medium. By way of example, such polymers that may be mentioned are RHEOLATE® 255, RHEOLATE® 278 and RHEOLATE® 244 sold by the company RHEOX. One can also use the product DW 1206F and the DW 1206J offered by the company ROHM & HAAS.

The polyether polyurethanes which can be used according to the invention are in particular those described in the article by G. Fonnum, J. Bakke and Fk. Hansen - Colloid Polym. Sci 271, 380.389 (1993).

More particularly still, it is preferred to use a polyether polyurethane capable of being obtained by polycondensation of at least three compounds comprising (i) at least one polyethylene glycol comprising from 150 to 180 moles of ethylene oxide, (ii) stearyl alcohol or decyl alcohol and (iii) at least one diisocyanate.

Such polyether polyurethanes are sold in particular by the company ROHM & HAAS under the names ACULYN 46® and ACULYN 44® [ACULYN 46® is a polycondensate of polyethylene glycol containing 150 or 180 moles of ethylene oxide, stearyl alcohol and methylene bis (4-cyclohexyl-isocyanate) ( SMDI), 15% by weight in a matrix of maltodextrin (4%) and water (81%); ACULYN 44® is a polycondensate of polyethylene glycol with 150 or 180 moles of ethylene oxide, decyl alcohol and methylene bis (4-cyclohexylisocyanate) (SMDI), at 35% by weight in a mixture of propylene glycol ( 39%) and water (26%)].

Preferably, the aqueous phase thickener (s) are chosen from polymers not comprising sugar units.

More preferably, the thickener (s) in the aqueous phase are chosen from thickening polymers with acrylic or methacrylic units, associative or non-associative, polymers with 2-acrylamido-2-methyl-propane sulfonic acid units and / or their salified form.

The composition according to the present invention can optionally further comprise one or more fatty phase thickeners.

By "fatty phase thickener" is meant according to the present invention compounds which increase by their presence to a content of 0.05% by weight the viscosity of the fatty phase into which they are introduced by at least 20 cps, preferably at least 50 cps, at 25 ° C, at atmospheric pressure and at a shear rate of ls'1 (the viscosity can be measured using a cone / plane viscometer, Haake R600 rheometer or the like) .

The concept of fatty phase thickener is analogous to the concept of lipophilic thickener.

The fatty phase thickener (s) which can be used in the composition according to the invention can be chosen from mineral fatty phase thickeners, organic fatty phase thickeners, and mixtures of these compounds.

The fatty phase mineral thickeners which can be used in the composition according to the invention are preferably mineral particles essentially consisting of mineral oxide and / or hydroxides.

These particles are preferably insoluble in water at room temperature (25 ° C). By insoluble is meant a solubility of less than 0.5% by weight.

Preferably, the primary size in number of these mineral particles varies from 0.01 to 500 μm, preferably varies from 0.1 to 200 μm, and even more preferably varies from 1 to 100 μm.

For the purposes of the present invention, the term "primary particle size" means the maximum dimension which it is possible to measure between two diametrically opposite points of an individual particle.

The size of the mineral particles can be determined by transmission electron microscopy or from the measurement of the specific surface by the BET method or from a laser granulometry.

The mineral particles which can be used in accordance with the invention can be in different forms, for example in the form of a sphere, needle, glitter or wafer.

In a preferred variant of the invention, the fatty phase mineral thickener (s) are platelet particles.

The fatty phase mineral thickener (s) which can be used in the composition according to the invention may preferably be chosen from silicas and silicates.

The silicates of the invention can be natural or chemically modified (or synthetic).

Silicates correspond to possibly hydrated silica, part of the silicon atoms of which are replaced by metal cations such as Al3 +, B3 +, Fe3 +, Ga3 +, Be2 +, Zn2 +, Mg2 +, Co3 +, Ni3 +, Na +, Li +, Ca2 +, Cu2 +.

More particularly, the silicates which can be used in the context of the invention are chosen from clays from the smectite family such as montmorillonites, hectorites, bentonites, beidellites, saponites, as well as from the vermiculites family, from the stevensite, chlorites.

These clays can be of natural or synthetic origin. Preferably, clays are used which are cosmetically compatible and acceptable with keratin materials.

The silicate can be chosen from montmorillonite, bentonite, hectorite, attapulgite, sepiolite, and their mixtures.

Mention may thus be made of the compounds marketed by the company LAPORTE under the name LAPONITE XLG and LAPONITE XLS.

The silicate (s) are preferably chosen from bentonites or hectorites.

The silicate (s) can be modified with a compound chosen from quaternary amines, tertiary amines, amino acetates, imidazolines, amino soaps, fatty sulfates, alkyl aryl sulfonates, amine oxides, and their mixtures.

As suitable silicates, mention may be made of quaternium-18 bentonites such as those sold under the names Bentone 3, Bentone 38, Bentone 38V by the company Rhéox, Tixogel VP by the company United catalyst, Claytone 34, Claytone 40, Claytone XL by Southern Clay company; stearalkonium bentonites such as those sold under the names Bentone 27 by the company Rheox, Tixogel LG by the company United Catalyst, Claytone AF, Claytone APA by the company Southern Clay; the quaternium-18 / benzalkonium bentonites such as those sold under the names Claytone HT, Claytone PS by the company Southern Clay, the Quaternium-18 Hectorites such as those sold under the names Bentone Gel DOA, Bentone Gel ECO5, Bentone Gel EUG, Bentone IPP Gel, Bentone Gel ISD, Bentone Gel SS71, Bentone Gel VS8, Bentone Gel VS38 by Rhéox and Simagel M, Simagel SI 345 by Biophil.

The silicates which can be used in the composition according to the invention can be chosen, in particular from modified hectorites such as hectorite modified with ammonium chloride of C10-C12 fatty acid, in particular distearyl dimethylammonium chloride and chloride of benzyl dimethyl ammonium stearyl.

As explained previously, the mineral thickener or thickeners which can be used in the composition according to the invention can be silicas.

The silicas which can be used in the composition according to the invention are preferably pyrogenic.

Pyrogenic silicas can be obtained by high-temperature hydrolysis of a volatile silicon compound in an oxyhydrogen flame, producing a finely divided silica. This process makes it possible in particular to obtain hydrophilic silicas which have a large number of silanol groups on their surface. Such hydrophilic silicas are for example sold under the names "AEROSIL 130®", "AEROSIL 200®", "AEROSIL 255®", "AEROSIL 300®", "AEROSIL 380®" by the company Degussa, "CAB-O- SIL HS-5® ”,“ CAB-O-SIL EH-5® ”,“ CAB-O-SIL LM-130® ”,“ CAB-O-SIL MS-55® ”,“ CAB-O-SIL M -5® ”by Cabot.

It is possible to chemically modify the surface of said silicas, by chemical reaction generating a reduction in the number of silanol groups. Silanol groups can in particular be substituted by hydrophobic groups: a hydrophobic silica is then obtained.

The hydrophobic groups can be: (a) trimethylsiloxyl groups, which are in particular obtained by treatment of fumed silica in the presence of hexamethyldisilazane. Silicas thus treated are called "Silica silylate" according to the CTFA (6th edition, 1995). They are for example marketed under the references "AEROSIL R812®" by the company Degussa, "CAB-O-SIL TS-530®" by the company Cabot; (b) dimethylsilyloxyl groups or

polydimethylsiloxane, which are obtained in particular by treatment of fumed silica in the presence of polydimethylsiloxane or dimethyldichlorosilane. Silicas thus treated are called "Silica dimethyl silylate" according to the CTFA (6th edition, 1995). They are for example marketed under the references "AEROSIL R972®", "AEROSIL R974®" by the company Degussa, "CAB-O-SIL TS-610®", "CAB-O-SIL TS-720®" by the company Pooch.

Preferably, the fumed silicas which can be used in the composition according to the invention are hydrophilic, such as that sold under the name "AEROSIL 200®".

Preferably, the fatty phase mineral thickener (s) are chosen from organophilic clays, hydrophilic fumed silicas and their mixtures.

More preferably, the fatty phase mineral thickeners are chosen from hectorites modified with ammonium chloride of C10-C12 fatty acid, in particular distearyl dimethylammonium chloride and benzyldimethylammonium stearyl chloride, and hydrophilic fumed silicas such than hydrophilic silicas sold under the name "AEROSIL 200®".

Even more preferably, the fatty phase mineral thickeners are chosen from hectorites modified with an ammonium chloride of C10-C12 fatty acid, in particular hectorite modified with distearyl dimethylammonium chloride, such as that sold under the name of Bentone 38VCG by the company Elementis, and hectorite modified with stearyl chloride of benzyldimethylammonium, such as that sold under the name of Bentone 27V by the company Elementis.

As explained above, the fatty phase thickener (s) which can be used in the composition according to the invention can also be chosen from organic fatty phase thickeners.

Preferably, the organic fatty phase thickener (s) are chosen from semi-crystalline polymers, non-silicone polyamides, silicone polyamides, mono or polyalkyl esters of saccharide or polysaccharide, amino acid derivatives of N-acylated amino acids , polymers comprising an alkylene and / or styrene block such as stearyl polyacrylates, elastomeric organopolysiloxanes, solid fatty esters, in particular esters of C8-C30, preferably C18-C24 fatty acids, and mixtures of these compounds. These copolymers can be di-block, tri-block, multi-block, radial-block polymers also called star copolymers, or also comb polymers.

The composition according to the present invention can optionally further comprise one or more surfactants, preferably chosen from nonionic surfactants.

The nonionic surfactant (s) which may be present in the composition according to the invention are described for example in "Handbook of Surfactants" by M.R. PORTER, Blackie &editions; Son (Glasgow and London), 1991, pp 116-178. As examples of nonionic surfactants, mention may be made of the following nonionic surfactants: - oxyalkylenated alkyl (C8-C 24) phenols; - Cs to C40 alcohols, saturated or unsaturated, linear or branched, oxyalkylenated or glycerolated, they preferably contain one or two fatty chains; - fatty acid amides of Cs to C30, saturated or not, linear or branched, oxyalkylenated; - esters of Cs to C30 acids, saturated or not, linear or branched, and of polyethylene glycols; - esters of Cs to C30 acids, saturated or unsaturated, linear or branched, and of sorbitol, preferably oxyethylenated; - fatty acid and sucrose esters, (C8-C3o) (poly) glucosides, alkenyl (C8-C3o) (poly) glucosides, optionally oxyalkylenated (0 to 10 oxyalkylenated units) and comprising from 1 to 15 glucose units, alkyl esters (C8-C3o) (poly) glucosides, - oxyethylenated vegetable oils, saturated or not; - condensates of ethylene oxide and / or propylene oxide; - N-alkyl (C8-C3o) glucamine and N-acyl (C8-C3o) -methylglucamine derivatives; - aldobionamides; - amine oxides; - oxyethylenated and / or oxypropylenated silicones, - and their mixtures.

The oxyalkylenated units are more particularly oxyethylenated, oxypropylenated units, or their combination, preferably oxyethylenated.

The number of moles of ethylene oxide and / or propylene preferably ranges from 1 to 250, more particularly from 2 to 100; better from 2 to 50; the number of moles of glycerol ranges in particular from 1 to 50, better still from 1 to 10.

Advantageously, the nonionic surfactants according to the invention do not comprise oxypropylenated units. As an example of glycerolated nonionic surfactants, use is preferably made of Cs to C40 alcohols, mono- or polyglycerolated, comprising from 1 to 50 moles of glycerol, preferably from 1 to 10 moles of glycerol. By way of example of compounds of this type, there may be mentioned, lauric alcohol with 4 moles of glycerol (name INCI POLYGLYCERYL-4 LAURYL ETHER), lauric alcohol with 1.5 moles of glycerol, oleic alcohol with 4 moles of glycerol (INCI name: POLYGLYCERYL-4 OLEYL ETHER), oleic alcohol with 2 moles of glycerol (INCI name: POLYGLYCERYL-2 OLEYL ETHER), cetearyl alcohol with 2 moles of glycerol, cetearyl alcohol to 6 moles of glycerol, oleocetyl alcohol to 6 moles of glycerol, and octadecanol to 6 moles of glycerol.

Among the glycerolated alcohols, it is more particularly preferred to use Cs to Cio alcohol to one mole of glycerol, Cio to C12 alcohol to one mole of glycerol and C12 alcohol to 1.5 moles of glycerol.

The nonionic surfactant (s) used in the detergent composition according to the invention are preferably chosen from: - Cs to C40 alcohols, saturated or unsaturated, linear or branched, oxyethylenated comprising from 1 to 100 moles of ethylene oxide, preferably from 2 to 50, more particularly from 2 to 40 moles of ethylene oxide; they preferably comprise one or two fatty chains 5 - oxyethylenated vegetable oils, saturated or not, comprising from 1 to 100 moles of ethylene oxide, preferably from 2 to 50; - alkyl (C8-C3o) (poly) glucosides, optionally oxyalkylenated (0 to 10 EO) and comprising 1 to 15 glucose units; - Cs to C40 alcohols, mono- or polyglycerolated, comprising from 1 to 50 moles of glycerol, preferably from 1 to 10 moles of glycerol; - fatty acid amides of Cs to C30, saturated or unsaturated, linear or branched, oxyalkylenated; - esters of Cs to C30 acids, saturated or not, linear or branched, and of polyethylene glycols; - esters of Cs to C30 acids, saturated or not, linear or branched, and of sorbitol, preferably oxyethylenated. - and their mixtures.

The composition according to the present invention may optionally further comprise one or more silicones different from the nonaqueous medium present in the dispersion or dispersions of particles.

The silicones which can be used in the present invention can be solid or liquid, volatile or non-volatile.

The silicones which can be used can be soluble or insoluble in the composition according to the invention; they can be in the form of oil, wax, resin or gum; oils and silicone gums are preferred.

Silicones are notably described in detail in the work by Walter NOLL "Chemistry and Technology of Silicones" (1968), Academie Press.

The volatile silicones can be chosen from those having a boiling point of between 60 and 260 ° C. (at atmospheric pressure), more particularly from: i) cyclic polydialkylsiloxanes comprising from 3 to 7 silicon atoms, preferably 4 to 5 , such as - octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane.

We can cite the products sold under the name of "VOLATILE SILICONE 7207" by UNION CARBIDE or "SILBIONE 70045 V 2" by RHODIA, "VOLATILE SILICONE 7158" by UNION CARBIDE, "SILBIONE 70045 V 5" by RHODIA. - cyclocopolymers of the dimethylsiloxane / methylalkylsiloxane type with a chemical structure:

Mention may be made of "SILICONE VOLATILE FZ 3109" sold by the company UNION CARBIDE. - mixtures of cyclic silicones with organic compounds derived from silicon, such as the mixture of octamethylcyclotetrasiloxane and tetratrimethylsilylpentaerythritol (50/50) and the mixture of octamethylcyclotetrasiloxane and oxy-1, l '- (hexa-2, 2,2 ', 2', 3,3'-trimethylsilyloxy) bis-neopentane; ii) linear polydialkylsiloxanes having 2 to 9 silicon atoms, which generally have a viscosity less than or equal to 5.10 "6 m2 / s at 25 ° C, such as decamethyltetrasiloxane. Other silicones belonging to this class are described in l article published in Cosmetics and toiletries, Vol. 91, lan. 76, p. 27-32 - TODD & BYERS "Volatile Silicone fluids for cosmetics"; mention may be made of the product marketed under the name "SH 200" by the company TORAY SILICONE.

Among the non-volatile silicones, there may be mentioned, alone or as a mixture, the polydialkylsiloxanes and in particular the polydimethylsiloxanes (PDMS), the polydiarylsiloxanes, the polyalkylarylsiloxanes, the silicone gums and resins, as well as the organopolysiloxanes (or organomodified polysiloxanes, or also organomodified silicones) which are polysiloxanes comprising in their structure one or more organofunctional groups, generally fixed via a hydrocarbon group, and

preferably chosen from aryl groups, amino groups, alkoxy groups and polyoxyethylenated or polyoxypropylenated groups.

The organomodified silicones can be polydiarylsiloxanes, in particular polydiphenylsiloxanes, and polyalkylarylsiloxanes functionalized with the organofunctional groups mentioned above. The polyalkylarylsiloxanes are particularly chosen from polydimethyl / methylphenylsiloxanes, linear and / or branched polydimethyl / diphenylsiloxanes.

Among the organomodified silicones, mention may be made of organopolysiloxanes comprising: polyoxyethylene and / or polyoxypropylene groups optionally comprising C6-C24 alkyl groups such as dimethicone copolyols, and in particular those marketed by the company Dow Corning under the name DC 1248 or SILWET® oils L 722, L 7500, L 77, L 711 from the company UNION CARBIDE; or also the (Ci2) -methicone-copolyols, and in particular those sold by the company Dow Corning under the name Q2-5200; - substituted or unsubstituted amino groups, in particular C1-C4 aminoalkyl groups; mention may be made of the products sold under the name GP4 Silicone Fluid and GP7100 by the company GENESEE, or under the names Q2-8220 and DC929 or DC939 by the company DOW CORNING; - thiol groups, such as the products marketed under the names "GP 72 A" and "GP 71" from GENESEE; - alkoxylated groups, such as the product sold under the name "SILICONE COPOLYMER F-755" by SWS SILICONES and ABIL WAX® 2428, 2434 and 2440 by the company GOLDSCHMIDT; - hydroxylated groups, such as polyorganosiloxanes with a hydroxyalkyl function; - Acyloxyalkyl groups such as the polyorganosiloxanes described in patent US-A-4957732. - Anionic groups of the carboxylic acid type, as for example described in EP186507, or of the alkyl-carboxylic type such as the product X-22-3701E from the company SHIN-ETSU; or also of the 2-hydroxyalkylsulfonate or 2-hydroxyalkylthiosulfate type, such as the products sold by the company GOLDSCHMIDT under the names "ABIL® S201" and "ABIL® S255". - hydroxyacylamino groups, such as the polyorganosiloxanes described in application EP342834; there may be mentioned, for example, the product Q2-8413 from the company Dow Corning.

The silicones can also be chosen from polydialkylsiloxanes among which mention may mainly be made of polydimethylsiloxanes containing trimethylsilyl end groups. Among these polydialkylsiloxanes, mention may be made of the following commercial products: - SILBIONE® oils of series 47 and 70 047 or MIRASIL® oils sold by RHODIA such as, for example, oil 70 047 V 500 000; - the oils of the MIRASIL® series sold by the company RHODIA; - oils of the 200 series from the company DOW CORNING such as DC200 having a viscosity of 60,000 mm2 / s; - VISCASIL® oils from GENERAL ELECTRIC and certain oils from the SF series (SF 96, SF 18) from GENERAL ELECTRIC.

Mention may also be made of polydimethylsiloxanes with dimethylsilanol end groups known under the name of dimethiconol (CTFA), such as oils of the 48 series from the company RHODIA.

In this class of polydialkylsiloxanes, mention may also be made of the products sold under the names "ABIL WAX® 9800 and 9801" by the company GOLDSCHMIDT which are polydialkyl (C1-C20) siloxanes.

Products more particularly usable in accordance with the invention are mixtures such as: - mixtures formed from a polydimethylsiloxane hydroxylated at the chain end, or dimethiconol (CTFA) and a cyclic polydimethylsiloxane also called cyclomethicone (CTFA) such than the product Q2-1401 marketed by the company DOW CORNING.

The polyalkylarylsiloxanes are particularly chosen from polydimethyl / methylphenylsiloxanes, linear and / or branched polydimethyl / diphenylsiloxanes with a viscosity ranging from 1.10 "5 to 5.10" 2m2 / s at 25 ° C.

Among these polyalkylarylsiloxanes, mention may be made of the products sold under the following names: - SILBIONE® oils of the 70 641 series from RHODIA; - the oils of the RHODORSIL® 70 633 and 763 series from RHODIA; - DOW CORNING 556 COSMETIC GRAD FLUID oil from DOW CORNING; - the silicones of the PK series from Bayer, such as the product PK20; - the silicones of the PN and PH series from Bayer, such as the PN1000 and PH1000 products; - certain oils from the GENERAL ELECTRIC SF series such as SF 1023, SF 1154, SF 1250, SF 1265.

The composition according to the present invention may optionally further comprise one or more additives, different from the compounds of the invention and among which mention may be made of cationic, anionic, amphoteric or zwitterionic surfactants and their mixtures, fatty substances other than the non-aqueous medium. particle dispersion (s), cationic, anionic, nonionic, amphoteric polymers or their mixtures, dandruff agents, antiseborrhoeic agents, vitamins and pro-vitamins including panthenol, sun filters, mineral or organic pigments , sequestering agents, plasticizing agents, solubilizing agents, acidifying agents, opacifying or pearlescent agents, antioxidants, hydroxy acids, perfumes, preservatives, pigments and ceramides.

Of course, those skilled in the art will take care to choose this or these optional additional compounds in such a way that the advantageous properties intrinsically attached to the composition according to the invention are not, or not substantially, altered by the addition (s) envisaged. .

The above additives can generally be present in an amount for each of them between 0 and 20% by weight, relative to the total weight of the composition.

Preferably, the composition according to the invention is in the form of a macroscopically homogeneous mixture of two immiscible phases, at least one of which is gelled. According to a particular embodiment, the two phases both have a gel-like texture. This texture is reflected in particular visually by a consistent and / or creamy appearance.

The term "macroscopically homogeneous mixture" means a mixture in which each of the phases cannot be individualized with the naked eye.

Advantageously, in the composition according to a particular embodiment of the invention, the gelled aqueous phase and the gelled oily phase interpenetrate and thus form a stable and consistent product. This consistency is achieved by mixing the interpenetrating macrodomains.

Thus, the composition according to the invention can have a gel-like consistency. The stability of such a composition is durable without surfactant. Consequently, the composition according to the invention preferably does not require a surfactant or a silicone emulsifier to ensure its stability over time.

Advantageously, according to a particular mode, a composition according to the invention can thus be devoid of surfactants.

In a preferred embodiment, the composition comprises less than 5% by weight of surfactant, more preferably less than 2% by weight, and better still less than 1% by weight, relative to the total weight of the composition.

The present invention also relates to a method of cosmetic treatment, in particular a method of styling, that is to say of fixing and / or shaping, keratin fibers, in particular human keratin fibers such as the hair, comprising applying to said keratin fibers a composition as defined above.

The shaping process according to the invention can be carried out on dry or wet keratin fibers. At the end of the process, the keratin fibers are advantageously rinsed with water. They can optionally be washed with shampoo, followed by rinsing with water, before being dried or left to dry.

The present invention finally relates to the use of a composition as described above for the cosmetic treatment, and in particular for styling keratin fibers, in particular human keratin fibers such as the hair.

More particularly, the present invention relates to the use of a composition as described above for styling the hair, that is to say shaping and / or fixing (maintaining) the hairstyle.

The following examples serve to illustrate the invention without, however, being limiting in nature.

EXAMPLES

The compositions (A1), (A2) (A3), (A4), (A5) and (A6) according to the invention were prepared from the ingredients, the contents of which, expressed in percentage by mass, relative to the total weight of each composition, are mentioned in the table below.

(1) carboxyvinyl polymer, synthesized in an ethyl acetate / cyclohexane mixture (2) Regalite RI 100 CG hydrocarbon resin - Eastman Chemical

Each of the compositions (A1) to (A6) thus obtained was applied to locks of straight natural hair of 2.7 g, at the rate of 1 g of composition per lock.

After a pause time of 15 seconds, the locks of hair were rinsed with water, then laid flat and allowed to air dry. At the end of this treatment, the fixation and the hold of the form were evaluated sensory, as well as the cosmetic criteria of touch.

The locks treated with the compositions (A1) to (A6) exhibit very good resistance to the binding and are smooth to the touch. Furthermore, the dry residue from the composition is not sticky and it is not transferred to the fingers.

Claims (16)

1. Composition comprising: (a) one or more dispersions of particles of at least one polymer, stabilized by one or more stabilizing agents in a non-aqueous medium, (b) one or more hydrophobic film-forming polymers, preferably chosen from copolymers hydrocarbon blocks, hydrocarbon resins and mixtures thereof, and (c) water; the water content being greater than or equal to 30% by weight, relative to the total weight of the composition. 2. Composition according to claim 1, characterized in that the polymer in the form of particles (a) is chosen from, polyurethanes, polyurethanes-acrylics, polyureas, polyurea-polyurethanes, polyester-polyurethanes, polyether-polyurethanes , polyesters, polyester amides, fatty chain polyesters, alkyds; acrylic and / or vinyl polymers or copolymers; acrylic-silicone copolymers; polyacrylamides; silicone polymers, fluoropolymers and mixtures thereof. 3. Composition according to any one of the preceding claims, characterized in that the polymer (a) is an ethylenic polymer, and preferably a polymer of C1-C4 alkyl (meth) acrylate. 4. Composition according to any one of the preceding claims, characterized in that the polymer (a) comprises an ethylenically unsaturated acid monomer or their anhydride, preferably chosen from (meth) acrylic acid, maleic acid and l maleic anhydride. 5. Composition according to any one of the preceding claims, characterized in that the polymer (a) is chosen from: - methyl acrylate homopolymers, - ethyl acrylate homopolymers, - methyl acrylate copolymers / ethyl acrylate, - methyl acrylate / ethyl acrylate / acrylic acid copolymers, - methyl acrylate / ethyl acrylate / maleic anhydride copolymers, - methyl acrylate / acrylic acid copolymers, - acrylate copolymers ethyl / acrylic acid, - methyl acrylate / maleic anhydride copolymers, - ethyl acrylate / maleic anhydride copolymers. 6. Composition according to any one of the preceding claims, characterized in that the non-aqueous medium comprises at least one oil chosen from oils of mineral, animal, vegetable or synthetic origin, carbonaceous, hydrocarbon, fluorinated and / or silicone, and their mixtures. 7. Composition according to any one of the preceding claims, characterized in that the non-aqueous medium comprises at least one hydrocarbon-based oil, preferably chosen from: (i) hydrocarbon-based oils having from 8 to 16 carbon atoms, (ii) short chain esters having a total of 3 to 8 carbon atoms; (iii) hydrocarbon oils of vegetable origin; (iv) synthetic ethers having from 10 to 40 carbon atoms; (v) linear or branched hydrocarbons, of mineral or synthetic origin; (vi) synthetic esters; (vii) fatty alcohols liquid at room temperature with branched and / or unsaturated carbon chain having from 12 to 26 carbon atoms; and (viii) their mixtures. 8. Composition according to any one of the preceding claims, characterized in that the stabilizing agent is a polymer of isobornyl (meth) acrylate, preferably chosen from the homopolymer of isobornyl (meth) acrylate and the copolymers isobornyl (meth) acrylate and C1-C4 alkyl (meth) acrylate statistics present according to a weight ratio (meth) isobornyl acrylate / C1-C4 alkyl (meth) acrylate greater than 4, more preferably greater than 4.5, and better still greater than or equal to 5. 9. Composition according to any one of the preceding claims, characterized in that the content of dispersion (s) of particles ranges from 0.1 to 15% by weight, and more preferably from 0.5 to 10% by weight, by relative to the total weight of the composition. 10. Composition according to any one of the preceding claims, characterized in that the hydrocarbon block copolymers are diblock copolymers, preferably hydrogenated, more preferably chosen from styrene-ethylene / propylene copolymers, styrene-ethylene / butadiene copolymers , styrene-ethylene / butylene copolymers, and mixtures thereof. 11. Composition according to any one of the preceding claims, characterized in that the hydrocarbon resins are chosen from indene hydrocarbon resins, aliphatic pentanediene resins, mixed pentanediene and indene resins, diene resins of cyclopentanediene dimers , diene resins of isoprene dimers, and their mixtures, preferably from indene hydrocarbon resins, aliphatic pentanediene resins, and mixtures thereof, and more preferably from indene hydrocarbon resins. 12. Composition according to any one of the preceding claims, characterized in that the content of the hydrophobic film-forming polymer (s) ranges from 0.5 to 25% by weight, preferably from 1 to 20% by weight, and more preferably from 2 at 15% by weight, relative to the total weight of the composition. 13. Composition according to any one of the preceding claims, characterized in that the weight ratio between the content of dispersion (s) of particles and the content of hydrophobic film-forming polymer (s) is less than or equal to 1, preferably this weight ratio ranges from 0.05 to 1, and more preferably from 0.1 to 0.8. 14. Composition according to any one of the preceding claims, characterized in that the water content ranges from 30 to 98% by weight, preferably from 50 to 95% by weight, and more preferably from 65 to 95% by weight, relative to the total weight of the composition. 15. Cosmetic treatment process for keratin fibers, in particular human keratin fibers such as the hair, comprising the application to said keratin fibers of a composition as defined according to any one of the preceding claims. 16. Use of a composition as defined according to any one of claims 1 to 14 for styling keratin fibers, in particular human keratin fibers such as the hair.