CN1153468A - Detergent composition - Google Patents

Abstract

An aqueous liquid cleansing and moisturising composition comprising a surface active agent selected from anionic, nonionic, zwitterionic and cationic surface active agents, soap and mixtures thereof; an benefit agent having a weight average particle size in the range 50 to 500 microns; and a thickening agent. The thickening agent is added to the benefit agent in amount from 1 to 50% wt, based on the benefit agent.

Description

Composition of detergent

The present invention relates to be applicable to the maintenance of skin and the composition of detergent that individual's skin is cleaned.Particularly, it relates to has the gentle cleaning and the compound composition of opsonic action to skin.

The compound composition that cleaning skin is used is well-known.The also known product of making by prescription has the cleaning and the dual benefits of preserving moisture.

For example WO90/13283 discloses a kind of acyl ester, the long-chain fatty acid of isethionate, compositions of preserve moisture composition and optional soap of containing.

One of problem that may run into for this compositions that dual function arranged is that when cleaning was effective, it was but effective inadequately to preserve moisture.

We have found a kind of this method for compositions of preserving moisture, nursing one's health or protect the skin effect that has effectively of preparing.

In WO94/01085 and 94/01084, recognize the superiority of the oarse-grained vaseline of deposition from the soap based composition and use thereof in packaging.

Yet according to WO94/03152, for containing nonsoap detergent, being added with the silicone oil that conditioning skin uses and the shower gel of cationic polymer, if in order to keep the stability of product, the maximum average droplet size of operable silicone oil is 2 microns.

We find and the skin protectant of bigger granule (so-called granule is meant solid particle or liquid drop) can be mixed in the compositions that contains surfactant now, if the skin protectant thickening could realize transmitting effectively skin protectant.

Therefore, the invention provides a kind of cleaning and moisture-keeping composition of waterborne liquid, comprising:

A) surfactant is selected from anionic, non-ionic, zwitterionic and cationic surfactant, soap and their mixture;

B) weighted average granular size scope is at 50 to 500 microns skin protectant; With

C) thickening agent, wherein thickening agent is that 1 to 50wt% amount by skin protectant adds in the skin protectant.

The present composition is applicable to the cleaning and " preserving moisture ", " conditioning ", " protection " of skin.The skin protectant that is comprised in the compositions is in order to preserve moisture, nurse one's health and/or protect skin.Be meant that as for " skin protectant " a kind of skin (horny layer) that makes is softening, and make it soft and moist by stoping moisture of skin to be lost, and/or the material of protection skin.

Preferred skin protectant comprises:

A) silicone oil, natural gum and modifier thereof are as linearity or annular dimethyl polysiloxane; Amino,

Alkyl, alkaryl and aryl silicone oil;

B) fat and oily comprises natural fat and oily, as simmondsia oil (jojoba oil), bean

Oil, Testa oryzae oil, American Avocado Tree oil, almond oil, olive oil, Oleum sesami, peach kernel oil, castor

Oleum Sesami, Oleum Cocois, ermine oil; Cocoa butter, Adeps Bovis seu Bubali, leaf fat; Above-mentioned oil is through hydrogenation institute

The fixed oil that gets; And synthetic single, two or triglyceride such as myristic acid glycerol

Ester and 2 ethyl hexanoic acid glyceride;

C) wax is as Brazil wax, spermaceti, Cera Flava, lanoline and their derivant;

D) hydrophobic plant extract;

E) hydrocarbon, as liquid paraffin, vaseline, microcrystalline wax, ceresine, Squalene, squalane and

Mineral oil;

F) higher fatty acids, as lauric acid, myristic acid, Palmic acid, stearic acid, behenic acid,

Oleic acid, linoleic acid, linolenic acid, lanoceric acid, isostearic acid and polyunsaturated fat

Acid (PUFA);

G) higher alcohol, solid as lauryl alcohol, spermol, octadecanol, oleyl alcohol, behenyl alcohol, gallbladder

Pure and mild 2-hexadecanol;

H) ester is as spermol caprylate, Tetradecyl lactate, spermol lactate, Semen Myristicae

Isopropyl propionate, myristyl myristate, isopropyl palmitate, adipic acid isopropyl ester,

Butyl stearate, decyl oleate, cholesterol isostearate, glyceryl monostearate,

Glycerol distearate, glycerol tristearate, lactic acid alkyl ester such as Lauryl lactate,

Citric acid Arrcostab and tartaric acid Arrcostab;

I) essential oil is as fish oil, Oleum menthae, Jasmin oil, Oleum Camphora, thuyol, bigarabe

Haze wax, rye-seed oil, Oleum Terebinthinae, Oleum Cinnamomi, oleum bergamottae, mandarin orange (citrus unshiu)

Oil, Oil of sweet flag, Oleum Pini, Essential lavender oil, laurel, Oleum Caryophylli, Japanese sieve

Chinese pitch, Eucalyptus oil, Fructus Citri Limoniae oil, star caul-fat, thyme oil, Fructus Piperis peppermint oil,

Oleum Rosae Rugosae, sage oil, menthol oil, Eucalyptus cerebrol, clove tree carbolic oil, Fructus Citri Limoniae

Aldehyde oil, citronella oil, Borneolum Syntheticum oil, linaloe oil, geraniol oil, Efamast, Camphora

Oil, thymol, Radix seu Herba Spiranthis Lanceae alcohol oil, pinene is oily, limonene is oily and terpenoid is oily;

J) lipoid is as cholesterol, ceramide, sucrose ester and European patent specification No.

556957 described false vitalilitys are through amide;

K) vitamin as vitamin A and E, and the vitamin Arrcostab, comprises that those support one's family

Plain C Arrcostab;

L) sunscreen is as octyl methoxycinnamate (Parsol MCX) and butyl anisoyl

Methane (Parsol 1789);

M) phospholipid; With

N) mixture of any component noted earlier.

Skin protectant in the present composition can be added in the carrier, particularly skin protectant may and compositions in other components between when producing disadvantageous influencing each other.May produce this unfavorable interactional skin protectant and comprise lipoid; Lactic acid alkyl ester; Sunscreen; Ester such as isopropyl palmitate and isopropyl myristate; And vitamin.Carrier can for, as silicone oil or hydrocarbon ils, they can or not form micelle by the solubilization of surface activity phase, and wherein skin protectant is soluble comparatively speaking.

Particularly preferred skin protectant comprises silicone oil, natural gum and modified product thereof; Ester such as isopropyl palmitate and isopropyl myristate and lactic acid alkyl ester.

The skin protectant preferable amount is 0.1 to 15wt%, and more preferably 0.2 to 10wt%, most preferably is 0.5 to 7wt%.

The advantage of compositions of the present invention is that in use, it can make skin protectant be deposited on the skin with the amount that can produce tangible good effect.Be not subjected to limit in theory, and can think to use the time in the dilution of compositions the big diluted composition of the skin protectant amount of being dispersed into, these rare compositionss are deposited on the skin easily.

In WO94/01084 and WO94/01085, contain at least 5% insoluble solid fatty acid soaps in the compositions of formation.But, it is generally acknowledged that high-load solid matter like this can be to the living adverse influence of the volume production that deposits to the skin protectant on the skin.Therefore, preferably be substantially free of the compositions of bar soap in the present invention, this content that is meant bar soap is lower than 1wt%.

The suitable thickening that is used for skin protectant comprises polyacrylate; The calcine Silicon stone; Native paraffin and synthetic wax; Silicon alkyl wax such as mountain Yu base silicon wax; Aluminium silicate; Lanolin derivative such as lanosterol; High fatty alcohol; Polyethylene and ethylene copolymers; That ripple glue; Poly-ammonium stearate; Sucrose ester; Hydrophobic clay; Vaseline; Brucite; And their mixture.

Brucite is that general formula is

[M _mN _n(OH) _{2 (m+n})] ^N+X ^M- _N/mYH ₂The material of O wherein M is bivalent metal ion such as Mg ²⁺

N is trivalent metal ion such as Al ³⁺

X is disposable anion such as CO ^- ₃, NO ^- ₃, stearate radical, cinnamate;

M is the number of bivalent metal ion; With

N is the number of trivalent metal ion.

The thickening agent of particularly preferred skin protectant comprises Silicon stone, silicon alkyl wax, paraffin, high fatty alcohol, vaseline and polyethylene and ethylene copolymers.

Although some material can play skin protectant and the double effect of its thickening agent, should understand that the function of skin protection and thickening can not be provided by same component.But, be understandable that in comprising the compositions of two or more skin protectant, wherein a kind of described skin protectant also can play the effect of thickening agent.

In the content of skin protectant, the content of thickening agent is preferably 4 to 25% (wt).

Although compositions of the present invention can be from the structure structure, preferably, they also can comprise structural agent, the material that after promptly a kind of the adding zero-shear viscosity is increased.The material that is fit to comprises swelling clay, for example LAPONITE; Fatty acid and derivant thereof, particularly fatty acid monoglyceride polyglycol ether; Acusol772 Acusol771 such as Carbopol (TM) (polymer that can obtain from Goodrich); Acrylate and copolymer thereof; Polyvinylpyrrolidone and copolymer thereof; Polymine; Salt such as sodium chloride and ammonium sulfate; Sucrose ester; Gellant and their mixture.

Preferred especially synthetic Strese Hofmann's hectorite. (LAPONITE) clay uses with the electrolytic salt that can make the clay thickening in the clay.The electrolyte that is fit to comprises alkali metal and alkali salt such as halogenide, ammonium salt and sulfate.

Compositions of the present invention can also comprise the thickening agent the thickening agent in being added in skin protectant, promptly is a kind of material that in use keeps the viscosity of compositions when the shear rate of compositions increases.The material that is fit to comprises Acusol772 Acusol771 such as Carbopol (TM) (can derive from the polymer of Goodrich); Fatty acid and derivant thereof, particularly fatty acid monoglyceride polyglycol ether; Natural gum comprises that alginate, guar gum, synthesising biological polymeric gel and polysaccharide derivates comprise carboxymethyl cellulose and hydroxypropyl guar gum; Propandiols and propylene glycol oleic acid esters; Salt is sodium chloride and ammonium sulfate for example; Tallow glycerol; With their mixture.

The further example of structural agent and thickening agent is collected in international cosmetic composition dictionary, in the 5th edition, and 1993, publish by CTFA (enamel, cosmetic product and aromatic association), be incorporated herein this paper as a reference.

Surfactant can be selected from any known being applicable to the surfactant that body local uses.Particularly preferably be gentle surfactant, be and do not damage the outer field surfactant that horny layer is a skin.

A kind of preferred anionic surfactants detergent is that molecular formula is RCO ₂CH ₂CH ₂SO ₃The fatty acyl group isethionate of M, wherein R is alkyl or the alkenyl that contains 7 to 21 carbon atoms, M is the ammonium of solubilization cation such as sodium, potassium, ammonium or replacement.Preferably 3/4 RCO group has 12 to 18 carbon atoms, and can derive from the mixture of Cortex cocois radicis, Petiolus Trachycarpi or Cortex cocois radicis/Petiolus Trachycarpi.

Another kind of preferred anionic surfactants detergent is that molecular formula is RO (CH ₂CH ₂O) _nSO ₃The alkyl ether sulfate of M, wherein R is the alkyl that contains 8 to 22 carbon atoms, the scope of n is 0.5 to 10, and particularly 1.5 to 8, M is above-mentioned solubilization cation.

Other possible anionic detergent comprises alkyl glycerol base ether sulfate, sulfosuccinate, taurate, sarcosinate, sulfosalicylic acetate, alkylphosphonic, alkyl phosphate and acyl-lactate, alkyl-glutamic acid salt and their mixture.

Sulfosuccinate can be the monoalkyl sulfosuccinate, and molecular formula is: R ⁵O ₂CCH ₂CH (SO ₃M) CO ₂M; And acylamino--MEA sulfosuccinate, molecular formula is R ⁵CONHCH ₂CH ₂O ₂CCH ₂CH (SO ₃M) C _O2M; R wherein ⁵Scope is C ₈-C ₂₀Alkyl, preferred C ₁₂-C ₁₅Alkyl and M are the solubilization cation.

Sarcosinate is expressed as with molecular formula usually: R ⁵CON (CH ₃) CH ₂CO ₂M, wherein R ⁵Scope is C ₈-C ₂₀Alkyl, preferred C ₁₂-C ₁₅Alkyl, and M is the solubilization cation.

Taurate is expressed as with molecular formula usually: R ⁵CONR ⁶CH ₂CH ₂SO ₃M, wherein R ⁵Scope is C ₈-C ₂₀Alkyl, preferred C ₁₂-C ₁₅Alkyl, R ⁶Scope is C ₁-C ₄Alkyl, and M is the solubilization cation.

Usually should avoid using coarse surfactant as uncle's paraffin sulfonate or alkylbenzenesulfonate.

The ionic surfactant pack that is fit to is drawn together alkyl polysaccharide, lactose amide, glycol ester, single glycerin ether, polyhydroxy amides (glucamide), primary and secondary alcohol ethoxylate, particularly C _8-20Aliphatic alcohol ethoxylate, average every mol of alcohol contains 1 to 20 moles of ethylene oxide.

If surfactant comprises soap, soap preferably derives from and contains C ₈To C ₂₂The material of saturated basically carbochain, and preferably contain C ₁₂To C ₁₈The potash soap of carbochain.

Foregoing any surfactant mixtures all can be used.

The preferred content of surfactant is 1 to 35wt%, and more preferably 3 to 30wt%.

Also preferred composition comprises 0.5 to the 15wt% cosurfactant with skin moistening effect.The material that is fit to is to have the alkyl of 7 to 18 carbon atoms or the amphoteric detergent of alkenyl, and meets a total structural formula;

In the formula

R ¹For containing the alkyl or the alkenyl of 7 to 18 carbon atoms;

R ²And R ³Independently of one another for containing the alkyl of 1 to 3 carbon atom, hydroxyalkyl or carboxyalkyl;

M is 2 to 4;

N is 0 or 1;

The alkylidene that contain 1-3 carbon atom of X for can randomly being replaced by hydroxyl; With

Y is-CO ₂ ^-Or-SO ^- ₃

Amphoteric detergent in above-mentioned general formula scope comprises simple betanin, and molecular formula is: And amido betaines, molecular formula is:

Wherein m is 2 or 3.

R in two molecular formula ¹, R ²And R ³The same definition.Especially, R ¹Can be the C that derives from Cortex cocois radicis ₁₂And C ₁₄The mixture of alkyl, half, preferably 3/4 R so at least ¹Group contains 10 to 14 carbon atoms.R ²And R ³Be preferably methyl.

Also may be sulfobetaines, molecular formula be: Or

Wherein m is 2 or 3; Perhaps wherein-(CH ₂) ₃SO ₃-serve as reasons

Metathetical those variants; R in these formulas ¹, R ²And R ³The same definition.

In addition, skin protectant also can be used as a kind of carrier, and (efficacy agents) is sent on the skin of smearing the present composition with the effect agent.This method be specially adapted to transmit the effect agent that is difficult to deposit on the skin or transmit those and compositions in other components can produce disadvantageous interactional effect agent.Carrier is generally silicone oil or hydrocarbon ils in this case, and they can not comprised active phase solubilization or form micelle, and wherein the effect agent is soluble comparatively speaking.The example of such effect agent comprises antiviral agent; Hydroxyl is sad; Ketopyrrolidine; Carboxylic acid; 2,4,4 '-three chloro-2 '-hydroxyl diphenyl ether (Irgasan DP300); 3,4,4 '-trichloro-symmetrical diphenyl urea; Salicylic acid; Benzoyl peroxide; Aromatic; Essential oil; Antibacterial and anthelmintic be N for example, toluamide between N '-dimethyl (DEET); And their mixture.

Compositions of the present invention can be mixed with the product that cleans skin, as bath in a tub or shower gel, the compositions of washing one's hands, facial cleanser; Shave before and shave after articles for use; Rinsing, wiping and skin care implement.

Compositions of the present invention is generally dumpable liquid or semiliquid such as paste, and is 10s with Haake rotating cylinder viscometer RV20 at shear rate ^-1Measure down with 25 ℃, preferred viscosity ranges is 1000 to 100,000mPas.

The present composition preferably under the 0.01Pa shear stress 25 ℃ the time Newtonian viscosity have 5 at least, 000Pas is preferably greater than 10,000Pas.

Above mentioned distinctive viscosity measurement can record under the situation of non-zero-shear viscosity exactly with for example Carrimed CSL100 low stress flow graph) or under the situation of zero shear rate the extrapolation according to Cross Model obtain (referring to J of the Chemical Engineer, 1993, being entitled as of H Bames " Rheology for the Chemical Engineer ").

Other typical component of the present composition comprises opacifier, and preferred 0.2 to 2.0wt%; Antiseptic, preferred 0.2 to 2.0wt%; And aromatic, preferred 0.5 to 2.0wt%.

It also further provides the method for preparing the present composition according to the present invention, comprise: a) make the basic compositions that contains a kind of surfactant at least, described surfactant is selected from anionic, non-ionic, zwitterionic and cationic surfactant, soap and their mixture; B) by the skin protection radiacmeter, in the thickening agent adding skin protectant with 1 to 50% (wt) amount; C) the basic preparation in the step a) is mixed with skin protectant.

With reference to following infinite embodiment the present invention further is illustrated.

Embodiment

In an embodiment:

Alkyl polyglucoside is Plantaren2000, from Henkel company;

Behenyl alcohol is Nacol22-97, from Condea company;

Shan Yu base silicon wax is Cire71649, from Rhone Poulenc company;

AMPHORAM C30 is Amonyl BA380, from Seppic company;

Acusol772 Acusol771 is Carbopol ETD2020, from Goodrich company;

Chlorination guar gum hydroxypropyl three monium are Jaguar C-13-S, from Meyhall

Company;

Brucite is the brucite that contains IPP, and Multigel IPP is from Guilini Chemie

GmbH company;

IPP (isopropyl palmitate) is ESTOL1517, from Unichema company;

Lauryl lactate is Crodamol LL, from Croda Chemicals company;

The MEA sulfosuccinate is Witco5690, from Witco company;

Polyethylene AC617 is from A-C Performance Additives;

Silicon stone is the hydrophobically modified Silicon stone, and Aerosil R972 is from Degussa;

Silicone oil is DC200, a kind of polydimethylsiloxane, and from Dow Corning company,

But has different viscosity described below.

Silicone oil Emulsion is BC92/057, from Basildon company;

Sodium Lauryl Ether Sulphate is Genapol ZRO, from Hoechst company.Example I

In the present embodiment, checked with Silicon stone and make the thickening of silicone oil skin protectant deposit to influence on the skin silicone oil.

Following method is to be used to measure the complete thick Corii Sus domestica (quantity of the skin protectant on 5 * 15cm) that is deposited on through present composition processing.

To apply the 0.5ml product thereon after the pre-hydration of skin.Make product produce 10 seconds of foam earlier, then 10 seconds of flushing in flowing water.

After this with Corii Sus domestica of napkin wiping to remove too much moisture.

After dry two minutes an adhesive tape is attached to and imposes 100g/cm on the skin ²Constant load, push down 30 seconds.Employed adhesive tape is that width is J-Lar ultra-clean (TM) band of 2.5cm.Having ten adhesive tapes sticks on the adjacent regions of skin.

In this experimentation, the siloxanes that is deposited on the skin is sent on this adhesive tape together with the skin of some skin subsequently.

With the method for X-ray fluorescence spectra measure adhere to this with on silicon and the amount of skin.Bonding tape is placed in the XRFS, and a sticking side is aimed at the light beam of machine.With a cover cap on adhesive tape so that in the adhesive tape central authorities standardized zone of regulation that is being subjected to X-ray irradiation.The sample room of machine places vacuum before measuring, and uses the quantity of spectrometer, measure silicon and sulfur then.The sulfo-table has been sent to the amount of the skin on the adhesive tape.

To from measured value of experiment, deduct with the measured silicon of clean adhesive tape and the amount of sulfur.The silicon of measuring and the average content of sulfur are expressed as the ratio of silicon and sulfur.Can determine sedimentary silicone oil on the skin of per unit area from this ratio.

Preparation contains the basic preparation of the shower of following compositions with gel.

％wt

Sodium Lauryl Ether Sulphate 4.00

AMPHORAM C30 sodium 1.00

Alkyl polyglucoside 5.00

Sorbic acid 0.37

Two hydration trisodium citrates 0.49

Acusol772 Acusol771 0.9

Thickening agent ^*～1

5N sodium hydroxide～1

Other thing to 100 of water+on a small quantity

^*(～5000mPas is at 10s to obtain needed viscosity to add thickening agent ^-1With 25 ℃)

^*Add sodium hydroxide and transfer to 5.3 with pH with compositions.

Be prepared as follows this compositions: in excessive water, disperse polyacrylate, after this sorbic acid and two hydration trisodium citrates are joined in the polymeric dispersions of gained.Mix three kinds of surfactants, the mixture with gained adds in the polymeric dispersions again.After this other few thing of addition again.At 10s ^-1Shear rate and 25 ℃ of viscosity of measuring resultant composition down, and add thickening agent until obtaining required viscosity.

Inject basic preparation and skin protectant, silicone oil with two Harvard44 syringe pumps.The content of silicone oil is the 5wt% of whole compositionss.A syringe fills with basic preparation, and another fills with silicone oil.Then syringe is inserted syringe pump, charge velocity is an oil: basic preparation 5: 95.Make oil and basic preparation just obtain containing the compositions of required big or small oil particles by a static on-line mixing device.Particulate big I is by the length control of diameter, flow velocity and the mixer tube of this static mixer.Use Malvern Mastersizer can measure particulate size.

Record silicone deposition in the present composition by above-mentioned experimental technique, and with siliceous oil emulsion at 10s ^-1Viscosity is similar compositions (A) contrast of 60000mPas during with 25 ℃.

Comparative composition (compositions A)

％wt

Sodium Lauryl Ether Sulphate 13.00

AMPHORAM C30 (CAPB) 2.00

Silicone oil Emulsion 5.00

Chlorination guar gum hydroxypropyl three monium 0.10

Sorbic acid 0.37

Two hydration sodium citrates 0.49

Sodium chloride ^*～2

Citric acid ^*～0.01

Water+few the thing to 100 of other amount

^*In order to reach needed at 10s ^-1The viscosity of 5000mPas during with 25 ℃, this content

Can change.

^*In order to obtain required pH value, this content can change.

Obtain following result.

The Silicon stone % silicon that adds: the ratio granular size/μ m of sulfur

Contrast 0 0.9 0.5

Ia 8.3 63.9 424

Ib 9.7 22.2 354

Ic 4.7 21.3 341

Id 6.1 11.5 289

The result shows, considers from the deposition of siloxanes, uses the compositions of the silicone oil that contains thickening to be better than containing the compositions of the silicone oil of not thickening.Example II

Except the skin protectant that uses as the IPP (isopropyl palmitate), repeat example I.Three kinds of different thickening agents with IPP 10% (weight) make the IPP thickening.

Following method is to be used to measure the complete thick Corii Sus domestica (amount of handling with the present composition of the IPP on 5 * 15cm) that deposits to.Handle and clean this skin by the described same method of example I with the present composition.After this use this skin of ethanol extraction three times (each extracting solution 3ml), reach 10g to extracting solution, again through the gas chromatograph analysis to measure the amount of sedimentary IPP.

Obtain following result:

Thickening agent deposition/ppm

Do not have 6.1

Polyethylene AC617 441.9

Shan Yu base silicon wax 138.1

Brucite 59.1

The result shows that resulting IPP deposition has increased after IPP is by thickening.EXAMPLE III

The skin protectant that uses in the present embodiment is Lauryl lactate.

Following method is used to measure the quantity of the Lauryl lactate on the skin that deposits to through handling with the present composition that contains Lauryl lactate.

With the pre-hydration of complete thick Corii Sus domestica, apply 0.20 this product of gram and 0.8 gram water then thereon.Skin was cleaned 30 seconds, in flowing water, washed 10 seconds again.

After this with napkin wiping skin once to remove redundant moisture.

5 Desquame adhesive tapes were affixed on lasting 10 seconds on the skin in back 30 seconds in drying.

Take off adhesive tape from skin then; In 2ml NaOH (0.5M) solution in 60 ℃ of hydrolysis 60 minutes.Then reuse 2ml HCl (0.5M) solution neutralizes to them, and places Sorensen (Sorensens) phosphate buffer (pH7.0).Measure total Lauryl lactate and protein content on the adhesive tape with Sigma diagnostic assay medicine box 735/10 and 690, their representatives are sent to the Lauryl lactate of skin.Preparation contains the solution of the adhesive tape of measuring agent and handling, and fixes on the absorbance of 540nm with the UV spectrometer.

The basic preparation that is used for testing below is:

wt％

MEA sulfosuccinate 11.7

Acusol772 Acusol771 0.3

Coco group hydroxyethyl sulfonate 8.5

AMPHORAM C30 15.8

Water and a small amount of its excess to 100

Preparing basic preparation is earlier polyacrylate to be dispersed in the excessive water, and the premix with two kinds of surfactants adds in this polymeric dispersions then, after this adds all the other a small amount of things again.

Use following skin protectant/mixtures of thickening agents:

Wt% drop size/μ m

X Lauryl lactate 85 172.2

Polyethylene AC617 15

These two components are heated to temperature together are melted in the polyethylene for about 110 ℃, promptly made mixture X.Before use mixture is cooled off then.

Adopt above-mentioned experimental technique that the emulsion of the skin protectant of basic preparation and thickening is used on the skin.

Obtain following result:

Lactate/absorbance

Unit (* 10 ^-3)

Undressed skin 81

Basic preparation (no lactic acid lauryl) 63

Basic preparation+5% ^*X 128

Basic preparation+5% Lauryl lactate 102

Basic preparation+10% ^*X 154

Basic preparation+10% Lauryl lactate 107

^*In total compositions is benchmark

In one group is independently tested, use be above-mentioned identical basic preparation, detected of the sedimentary influence of the scope (content is the 5%wt of Lauryl lactate) of thickening agent to Lauryl lactate.The Lauryl lactate of Lauryl lactate or thickening all adds in the basic preparation by 5wt% content.

Lactate/absorbance

Unit (* 10 ^-3)

Lauryl lactate (no thickening agent) 112

Lauryl lactate+paraffin 148

Lauryl lactate+behenyl alcohols 152

Lauryl lactate+vaseline jelly 148

Lauryl lactate+polyethylene AC617 129

Lauryl lactate+mountain Yu base silicon wax 167

The result has confirmed to make with thickening agent the benefit of skin protectant thickening.

Claims (10)

1, a kind of cleaning of waterborne liquid and the compositions of preserving moisture comprise:

A) surfactant, be selected from anionic, non-ionic, zwitterionic and positive from

The surfactant of son, soap and their mixture;

B) skin protectant, the weighted average particle diameter is in 50 to 500 microns scope; With

C) thickening agent,

Wherein thickening agent is in the amount adding skin protectant of the 1-50% (weight) by skin protectant.

2, compositions according to claim 1, wherein thickening agent is selected from polyacrylate; Silicon stone, natural and synthetic wax; Silicon alkyl wax; Aluminium silicate; Lanolin derivative; High fatty alcohol; Polyethylene and ethylene copolymers; That ripple glue; Poly-ammonium stearate; Sucrose ester; Hydrophobic clay; Vaseline; Brucite; And their mixture.

3, compositions according to claim 1, wherein compositions constitutes structure by structural agent, and described structural agent is selected from the swelling clay; Fatty acid and derivant thereof; Acusol772 Acusol771; Acrylate and copolymer thereof; Polyvinylpyrrolidone and copolymer thereof; Polymine; Salt; Sucrose ester; Gellant; And their mixture.

4, compositions according to claim 1, wherein skin protectant is selected from silicone oil; Natural gum; Fat; Oil; Wax; Hydrophobic plant extract; Hydrocarbon; Fatty acid; Alcohol; Ester; Essential oil; Lipoid; Phospholipid; Vitamin; Opacifier; With their mixture.

5, according to the described compositions of any one front claim, comprise 0.1 to 15wt% skin protectant.

6, according to the described compositions of arbitrary front claim, wherein skin protectant plays a part to transmit the carrier of effect agent to the skin that uses this compositions.

7, according to the described compositions of arbitrary front claim, comprise 1 to 35wt% surfactant.

8, according to the described compositions of arbitrary front claim, also comprise the cosurfactant that is selected from betanin, amido betaines and sulfobetaines.

9, the described method for compositions of preparation claim 1 comprises:

A) make the basic compositions that comprises at least a surfactant, described surfactant is selected from anionic, non-ionic, zwitterionic and cationic surfactant, soap and their mixture;

B) 1 to 50wt% the amount of thickening agent being pressed skin protectant adds in the skin protectant; With

C) the basic preparation in the step a) is mixed with skin protectant.

10, a kind of method that from waterborne liquid cleaning and moisture-keeping composition, deposits skin protectant, this method is included in provides described skin protectant in the compositions, and compositions comprises:

A) surfactant is selected from anionic, non-ionic, zwitterionic and cationic surfactant, soap and their mixture;

B) the weighted average particle size range is at 50 to 500 microns skin protectant; With

C) thickening agent, wherein thickening agent adds in the skin protectant by 1 to 50%wt of skin protection dosage.