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EP4098727B1 - Détergent à viscosité modifiée pour le lavage manuel de la vaisselle - Google Patents

Détergent à viscosité modifiée pour le lavage manuel de la vaisselle Download PDF

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Publication number
EP4098727B1
EP4098727B1 EP21177322.1A EP21177322A EP4098727B1 EP 4098727 B1 EP4098727 B1 EP 4098727B1 EP 21177322 A EP21177322 A EP 21177322A EP 4098727 B1 EP4098727 B1 EP 4098727B1
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Prior art keywords
weight
hand dishwashing
surfactant
dishwashing composition
viscosity
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German (de)
English (en)
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EP4098727A1 (fr
Inventor
Alexander Tollkoetter
Peter Victor
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0047—Other compounding ingredients characterised by their effect pH regulated compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/43—Solvents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • Dishwashing detergents in particular liquid dishwashing detergents for manual cleaning, of dishes are known.
  • low-viscosity hand dishwashing compositions are perceived by consumers as being of lower quality. Viscosity is therefore an important quality criterion for hand dishwashing compositions.
  • modern hand dishwashing detergents should be produced in an environmentally friendly manner and at the same time have the best possible cleaning performance.
  • Another special feature of hand dishwashing compositions is the requirement that they should be gentle on the skin.
  • EP3670637 A1 discloses hand dishwashing detergent comprising at least one anionic surfactant and at least one amine oxide surfactant, wherein the amount of amine oxide surfactant is at least 20% by weight of the total amount of surfactant, and the composition has a viscosity factor of 0.1 to 50 mPas.
  • the object on which the present invention is based is therefore to provide compositions which, on the one hand, are perceived by the consumer as being of high quality and which can also be processed in an environmentally friendly manner and at the same time have good skin compatibility.
  • compositions according to the invention in particular have a good viscosity profile in the skin-friendly pH range of at least 7.5 to less than 8.5.
  • a “good viscosity profile” means that the viscosity of the compositions is such that the consumer perceives the compositions as being of high quality and the viscosity is within the range
  • the relevant pH range has a relatively small change depending on the pH value. It was identified that the viscosity range between 1000 cps and 4000 cps represents a particularly advantageous range in terms of finding a balance between good processability on the one hand and high-quality product properties on the other.
  • the viscosity of the composition is at least 1500 cps to 2500 cps.
  • the viscosity of the composition is at least 1800 cps to 2200 cps.
  • the viscosity is determined using a Brookfield LVDV II+, spindle 31 at a temperature of 20 ° C, at 12 rpm.
  • the hand dishwashing composition is described, wherein the salt is an alkali metal halide and/or an alkaline earth metal halide, preferably sodium chloride.
  • the hand dishwashing composition is described, wherein the amount of inorganic salt is at least 2% by weight, preferably at least 4% by weight.
  • the hand dishwashing composition is described, wherein the ratio of total surfactant content to solvent is less than 10, preferably between 4 and 6, more preferably 4 or 5.
  • the hand dishwashing composition is described, wherein the hand dishwashing composition comprises at least one enzyme.
  • the hand dishwashing composition is described, wherein the hand dishwashing composition comprises an anionic surfactant.
  • the hand dishwashing composition comprises an amine oxide and/or a betaine surfactant.
  • the hand dishwashing composition is described, wherein the total amount of surfactant is at least 8% by weight, more preferably at least 12% by weight, more preferably at least 20% by weight.
  • the hand dishwashing composition is described, wherein the hand dishwashing composition comprises at least one enzyme.
  • the hand dishwashing composition is described, wherein the hand dishwashing composition comprises an anionic surfactant.
  • the total amount of solvent is at least 1% by weight, more preferably at least 2% by weight and more preferably at least 2.5% by weight.
  • the use of the composition is for manual cleaning of dishes.
  • the amount of total surfactant is at least 5% by weight, 10% by weight based on the total weight of the composition.
  • a hand dishwashing composition wherein the proportion of amine oxides having a C16 or longer residue is less than 20%, more preferably less than 10%, based on the total weight of the amine oxides in the composition.
  • a hand dishwashing composition wherein the anionic surfactant is present in an amount of at least 4% by weight, preferably at least 10% by weight, based on the total weight of the composition.
  • a hand dishwashing composition is described, wherein aminexoid is present in an amount of at least 4% by weight based on the total weight of the composition.
  • a hand dishwashing composition wherein betaine is present in an amount of at least 4% by weight based on the total weight of the composition.
  • a hand dishwashing composition wherein the composition comprises an organic solvent which is present in at least an amount of 2% by weight.
  • a hand dishwashing composition is described, wherein the proportion of amine oxides that have a C12 residue is between 50 and 85% based on the total amount of amine oxide, preferably between 60 and 85%.
  • a hand dishwashing composition is described, wherein the proportion of amine oxides which have a C14 residue is between 20 and 35% based on the total amount of amine oxide.
  • a hand dishwashing composition wherein the proportion of amine oxides which only have C10 or smaller residues is less than 5% based on the total amount of amine oxide.
  • a hand dishwashing composition wherein the surfactant system contains at least one anionic surfactant selected from ether sulfates, alkyl sulfates and mixtures thereof.
  • Hand dishwashing composition wherein the dishwashing composition contains at least one additional ingredient selected from the group consisting of water, enzymes, organic solvents, enzymes, additives to improve drainage and drying behavior, to adjust the viscosity and / or for stabilization, UV stabilizers, perfume, pearlescent agents, Dyes, corrosion inhibitors, bitter substances, organic salts, disinfectants, structuring polymers, defoamers, encapsulated ingredients, pH adjusters and additives that improve or care for skin feel.
  • the dishwashing composition contains at least one additional ingredient selected from the group consisting of water, enzymes, organic solvents, enzymes, additives to improve drainage and drying behavior, to adjust the viscosity and / or for stabilization, UV stabilizers, perfume, pearlescent agents, Dyes, corrosion inhibitors, bitter substances, organic salts, disinfectants, structuring polymers, defoamers, encapsulated ingredients, pH adjusters and additives that improve or care for skin feel.
  • the present invention is further directed to the use of the dishwashing detergent according to the invention for manually cleaning dishes.
  • At least one refers to 1 or more, for example 2, 3, 4, 5, 6, 7, 8, 9 or more. In connection with components of the compounds described herein, this information does not refer to the absolute amount of molecules, but rather to the type of component. “At least one surfactant” therefore means, for example, that only one type of surfactant compound or several different types of surfactant compounds can be included, without providing information about the amount of the individual compounds.
  • the expression “essentially free of” means that the respective compound can in principle be included, but is then present in an amount that does not impair the function of the other components.
  • the property “substantially free of” a particular compound is therefore preferably a total weight of less than 0.1% by weight, more preferably less than 0.001% by weight, in particular free of this, based on the total weight of dishwashing detergent.
  • molecular weight refers to the weight-average molecular weight in g/mol, unless the number-average molecular weight is explicitly stated.
  • Molecular weights are preferably determined by GPC using polystyrene standards.
  • fatty acids or fatty alcohols or their derivatives - unless otherwise stated - represent branched or unbranched carboxylic acids or alcohols or their derivatives with preferably 6 to 22 carbon atoms.
  • the oxo alcohols or their derivatives obtainable, for example, by ROELEN's oxo synthesis can also be used accordingly.
  • components of the present agents are salts, they are preferably alkali metal or alkaline earth metal salts of the respective compounds, more preferably the alkali metal salts, in particular the sodium or potassium salts, most preferably sodium salts thereof.
  • alkaline earth metals are mentioned below as counterions for monovalent anions, this means that the alkaline earth metal is of course only present in half the amount of substance as the anion - which is sufficient to balance the charge.
  • the dishwashing detergent according to the invention is preferably essentially free of cationic surfactants.
  • the composition has at least one alkyl benzene sulfonate, which preferably has a C2-18 alkyl radical. Cumenesulfonate is particularly preferred.
  • alkylbenzenesulfonate refers only to a benzene ring substituted with an alkyl radical and which also carries a sulfonate radical.
  • the at least one alkylbenzene sulfonate is contained in 0.5 to 50% by weight, preferably 0.5 to 30% by weight, particularly preferably in 0.5 to 5% by weight, based on the total weight of the dishwashing detergent.
  • the at least one fatty alcohol sulfate is preferably selected from C8-18 fatty alcohol sulfates.
  • Particularly preferred fatty alcohol sulfates are derived from C12-18 fatty alcohols, for example from coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol. Sodium lauryl sulfate is particularly preferred.
  • the at least one fatty alcohol sulfate is contained in 0.5 to 45% by weight, preferably 0.5 to 40% by weight, more preferably in 3 to 15% by weight, based on the total weight of the dishwashing detergent.
  • the at least one amine oxide is a compound having the formula R1R2R3NO, where each R1, R2 and R3, independently of the others, is an optionally substituted, for example hydroxy-substituted, C1-C30 hydrocarbon chain.
  • Particularly preferred amine oxides used are those in which R1 is C10-C16 alkyl and R2 and R3 are each independently C1-C4 alkyl, in particular C10-C16 alkyldimethylamine oxides.
  • suitable amine oxides are N-cocoalkyl-N,N-dimethylamine oxide and N-tallow alkyl-N,N-dihydroxyethylamine oxide.
  • the at least one amine oxide is preferably selected from C12-16 amine oxides, particularly preferably from low-chain C12-14 alkyldimethylamine oxides.
  • the at least one amine oxide is contained in 0.1 to 20 wt.%, preferably 0.3 to 10 wt.%, more preferably 0.5 to 3 wt.%, based on the total weight of the dishwashing detergent .
  • alpha-olefin sulfonates are selected from C10-20 alpha-olefin sulfonates, more preferably linear C10-20 alpha-olefin sulfonates. In particular it is selected from C12-14 alpha-olefin sulfonates; most preferably it is a linear C12-14 alpha-olefin sulfonate.
  • the at least one alpha-olefin sulfonate is preferably contained in 2.5 to 45% by weight, more preferably 3 to 30% by weight, particularly preferably in 5 to 25% by weight, based on the total weight of the dishwashing detergent.
  • a suitable alpha-olefin sulfonate is commercially available, for example, under the trade name Bio- Terge® AS-40 from Stephan.
  • the at least one further anionic surfactant is selected from ether sulfates, alkyl sulfates and mixtures thereof.
  • Preferred ether sulfates are those of the formula (I) R1-O-(AO)n-SO3- X+ (I).
  • R1 represents a linear or branched, substituted or unsubstituted alkyl radical, preferably a linear, unsubstituted alkyl radical, particularly preferably a fatty alcohol radical.
  • Preferred radicals R1 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, the representatives having an even number of carbon atoms are preferred.
  • radicals R1 are derived from C12-C18 fatty alcohols, for example from coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or from C10-C20 oxo alcohols.
  • X stands for a single-quality cation or the n-ten part of an N-quality cation, preferably the alkali metal ions and below Na+ or K+, where Na+ is extremely preferred. Further cations
  • AO represents an ethylene oxide (EO) or propylene oxide (PO) group, preferably an ethylene oxide group.
  • the index n represents an integer from 1 to 50, preferably from 1 to 20 and in particular from 2 to 10. Very particularly preferably n represents the numbers 2, 3, 4, 5, 6, 7 or 8.
  • alkyl sulfates which are not derived from fatty alcohols, of the formula R2-O-SO3-X+ (II).
  • R2 represents a linear or branched, substituted or unsubstituted alkyl radical, preferably a linear, unsubstituted alkyl radical, particularly preferably a fatty alcohol radical.
  • Preferred radicals R2 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, the representatives having an even number of carbon atoms are preferred. They are particularly preferably derived from C10-20 oxo alcohols.
  • X stands for a single-quality cation or the n-ten part of an N-quality cation, preferably the alkali metal ions and below Na+ or K+, where Na+ is extremely preferred. Further cations
  • the at least one further nonionic surfactant is 0.1 to 20 wt.%, preferably 0.5 to 10 wt.%, more preferably 1 to 8 wt.%, based on the total weight of the dishwashing detergent contain.
  • nonionic surfactants known for dishwashing detergents are suitable as further nonionic surfactants.
  • the at least one further nonionic surfactant is selected from alkoxylated fatty acid alkyl esters, polyhydroxy fatty acid amides, alkyl glycosides and alkoxylated alcohols and mixtures thereof.
  • nonionic surfactants are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain.
  • Suitable surfactants are the polyhydroxy fatty acid amides known as PHFA.
  • alkyl glycosides of the general formula RO (G) a glycose unit with 5 or 6 carbon atoms, preferably glucose.
  • the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10; x is preferably 1.2 to 1.4.
  • the further nonionic surfactants are selected from the group of alkoxylated alcohols.
  • the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary alcohols with preferably 8 to 18 carbon atoms and an average of 1 to 12 moles of ethylene oxide (EO) or propylene oxide (PO) per mole of alcohol, in which the alcohol residue is linear or preferably in 2 position can be methyl-branched or can contain linear and methyl-branched radicals in the mixture, as are usually present in oxo alcohol radicals.
  • EO ethylene oxide
  • PO propylene oxide
  • alcohol ethoxylates with linear residues from alcohols of native origin with 12 to 18 carbon atoms, for example from coconut, palm, tallow fat or oleyl alcohol, and an average of 2 to 8 moles of EO per mole of alcohol are preferred.
  • the preferred ethoxylated alcohols include, for example, C12-14 alcohols with 3 EO or 4 EO, C8-11 alcohol with 7 EO, C13-15 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C12-18 Alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of C12-14 alcohol with 3 EO and C12-18 alcohol with 5 EO.
  • the total amount of surfactants i.e. the surfactant system, based on the weight of the agent, is 2.5 to 70% by weight, preferably 5 to 60% by weight, more preferably 6 to 50% by weight.
  • the dishwashing detergent according to the present invention can also contain at least one additional ingredient selected from the group consisting of water, enzymes, additives to improve drainage and drying behavior, to adjust the viscosity and / or for stabilization, UV stabilizers, perfume, pearlescent agents, dyes , corrosion inhibitors, preservatives, bitter substances, organic salts, disinfectants, structuring polymers, defoamers, encapsulated ingredients, pH adjusters and additives that improve or care for skin feel.
  • at least one additional ingredient selected from the group consisting of water, enzymes, additives to improve drainage and drying behavior, to adjust the viscosity and / or for stabilization, UV stabilizers, perfume, pearlescent agents, dyes , corrosion inhibitors, preservatives, bitter substances, organic salts, disinfectants, structuring polymers, defoamers, encapsulated ingredients, pH adjusters and additives that improve or care for skin feel.
  • the dishwashing detergents according to the present invention are liquid and contain water as the main solvent, i.e. they are aqueous dishwashing detergents.
  • the water content of the aqueous agent according to the invention is usually 15 to 90% by weight, preferably 20 to 60% by weight.
  • organic solvents can be added to the dishwashing detergent.
  • Suitable organic solvents include cumene sulfonate, mono- or polyhydric alcohols, alkanolamines or glycol ethers, provided they are miscible with water in the specified concentration range.
  • the solvents are preferably selected from ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, methylpropanediol, glycerin, diglycol, propyl diglycol, butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, Ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, methoxytriglycol, ethoxytriglycol, butoxytriglycol, 1-butoxyethoxy-2-propano
  • the solvent comprises cumene sulfonate and ethanol.
  • the dishwashing detergents described herein may further contain at least one enzyme, preferably a protease.
  • the proteases used are preferably alkaline serine proteases. They act as non-specific endopeptidases, that is, they hydrolyze any acid amide bonds that are inside peptides or proteins and thereby cause the breakdown of protein-containing soils on the items to be cleaned. Their pH optimum is usually in the significantly alkaline range.
  • subtilisin 309 examples of the proteases that can be used in the agents described herein are subtilisin 309 or functional fragments/variants thereof and variants of the alkaline protease from Bacillus lentus or variants thereof.
  • Subtilisin 309 is sold under the trade name Savinase ® by the Distributed by Novozymes A/S, Bagsvaerd, Denmark.
  • Optimized enzyme variants of subtilisin 309 from Bacillus lentus are available from Novozymes under the trade names Blaze® and Ovozyme® , which represent a preferred embodiment of the invention.
  • the protease variants known as BLAP ® are derived from the alkaline protease from Bacillus lentus DSM 5483.
  • protease variants which, compared to the BLAP wt (wild-type) enzyme, in the count according to BLAP wt, have at least one mutation at R99, in particular R99E or R99D, particularly preferred is R99E, and optionally additionally at least one or two , preferably all three of the amino acid substitutions S3T, V4I and V199I, particularly preferred are the BLAP variants as in SeqlD No 4 or 5 of WO 2014/177430 are described.
  • the enzymes to be used can also be formulated together with accompanying substances, for example from fermentation.
  • the enzymes are preferably used as enzyme liquid formulation(s).
  • the proteases are generally not provided in the form of the pure protein but rather in the form of stabilized, storable and transportable preparations.
  • These prefabricated preparations include, for example, the solid preparations obtained by granulation, extrusion or lyophilization or, in particular in the case of liquid or gel-like agents, solutions of the enzymes, advantageously as concentrated as possible, with little water and/or mixed with stabilizers or other auxiliaries.
  • the enzymes can be encapsulated for both the solid and liquid dosage forms, for example by spray drying or extrusion of the enzyme solution together with a preferably natural polymer or in the form of capsules, for example those in which the enzymes are enclosed as in a solidified gel or in those of the core-shell type, in which an enzyme-containing core is covered with a water-, air- and/or chemical-impermeable protective layer.
  • Additional active ingredients such as stabilizers, emulsifiers, pigments, bleaches or dyes, can also be applied in superimposed layers.
  • Such capsules are applied using methods known per se, for example by shaking or rolling granulation or in fluid bed processes. Such granules are advantageously low-dust, for example by applying polymeric film formers, and are storage-stable due to the coating.
  • Dishwashing detergents according to the invention can alternatively or in addition to the at least one protease contain one or more further enzymes, in particular from the following group: amylases, hemicellulases, cellulases, lipases and oxidoreductases.
  • the dishwashing detergent according to the invention particularly preferably also contains at least one amylase.
  • the amylase(s) is preferably an ⁇ -amylase.
  • the hemicellulase is preferably a ⁇ -glucanase, a pectinase, a pullulanase and/or a mannanase.
  • the cellulase is preferably a cellulase mixture or a single-component cellulase, preferably or predominantly an endoglucanase and/or a cellobiohydrolase.
  • the oxidoreductase is preferably an oxidase, in particular a choline oxidase, or a perhydrolase.
  • the enzymes mentioned can all be formulated as described above for the proteases.
  • the at least one enzyme preferably the at least one protease and/or at least one amylase, is present in an amount of 0.01 - 1.6% by weight, preferably 0.05 - 1.2% by weight on the total weight of the dishwashing detergent contained in it.
  • the enzyme(s) may be preformulated with enzyme stabilizers in an enzyme composition.
  • the enzyme protein usually only forms a fraction of the total weight of the enzyme preparation.
  • Enzyme preparations used with preference contain between 0.1 and 40% by weight, preferably between 0.2 and 30% by weight, particularly preferably between 0.4 and 20% by weight and in particular between 0.8 and 10% by weight. % of enzyme protein.
  • an enzyme stabilizer may be included in an amount of 0.05-35% by weight, preferably 0.05-10% by weight, based on the total weight, in the enzyme composition.
  • This enzyme composition can then be used in dishwashing detergents according to the invention in amounts which lead to the final concentrations in the dishwashing detergent specified above. Suitable enzyme stabilizers are known in the art.
  • the agent according to the invention can accordingly additionally have one or more enzyme stabilizers.
  • the protein concentration can be determined using known methods, for example the BCA method (bicinchoninic acid; 2,2'-biquinolyl-4,4'-dicarboxylic acid) or the biuret method.
  • the active protein concentration is determined by titrating the active protein Centers using a suitable irreversible inhibitor (for proteases, for example phenylmethylsulfonyl fluoride (PMSF)) and determining the residual activity (cf. M. Bender et al., J. Am. Chem. Soc. 88, 24 (1966), pp. 5890-5913 ).
  • a suitable irreversible inhibitor for proteases, for example phenylmethylsulfonyl fluoride (PMSF)
  • the agent according to the invention can contain one or more additives from the group of polymers and builders, usually in an amount of 0.001 to 5% by weight, preferably 0.01 to 4 % by weight, in particular 0.1 to 3% by weight, particularly preferably 0.2 to 2% by weight, most preferably 0.5 to 1.5% by weight, for example 1% by weight.
  • Polymeric thickeners in the context of the present invention are the polycarboxylates, which act as polyelectrolytes and have a thickening effect, preferably homo and copolymers of acrylic acid, in particular acrylic acid copolymers such as acrylic acid-methacrylic acid copolymers, and the polysaccharides, in particular heteropolysaccharides, as well as other common thickening polymers.
  • Suitable polysaccharides or heteropolysaccharides are the polysaccharide gums, for example gum arabic, agar, alginates, carrageenans and their salts, guar, guar gum, tragacantum, gellan, ramsan, dextran or xanthan gum and their derivatives, for example propoxylated guar, as well as their mixtures.
  • Other polysaccharide thickeners such as starches or cellulose derivatives, can be used alternatively, but preferably in addition to a polysaccharide gum, for example starches of various origins and starch derivatives, e.g.
  • hydroxyethyl starch starch phosphate esters or starch acetates, or carboxymethyl cellulose or its sodium salt, methyl, ethyl, hydroxyethyl, Hydroxypropyl, hydroxypropyl methyl or hydroxyethyl methyl cellulose or cellulose acetate.
  • Acrylic acid polymers suitable as polymeric thickeners are, for example, high molecular weight homopolymers of acrylic acid (INCI carbomer) crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene, which are also referred to as carboxyvinyl polymers.
  • a polyalkenyl polyether in particular an allyl ether of sucrose, pentaerythritol or propylene, which are also referred to as carboxyvinyl polymers.
  • acrylic acid copolymers are the following acrylic acid copolymers: (i) copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple esters, preferably formed with C1 4 alkanols (INCI Acrylates Copolymer), which include the copolymers of methacrylic acid, butyl acrylate and methyl methacrylate ( CAS 25035 69 2) or from butyl acrylate and methyl methacrylate ( CAS 25852 37 3 ) belong; (ii) crosslinked high molecular weight acrylic acid copolymers, which include, for example, the copolymers of C10 30 alkyl acrylates crosslinked with an allyl ether of sucrose or pentaerythritol with one or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably formed with C1 4 alkanols, esters (INCI Acrylates/C10-30 Alkyl Acrylates Crosspolymer).
  • the content of polymeric thickener is usually not more than 8% by weight, preferably between 0.1 and 7% by weight, particularly preferably between 0.5 and 6% by weight, in particular between 1 and 5% by weight. and most preferably between 1.5 and 4% by weight, for example between 2 and 2.5% by weight, based on the total weight of the dishwashing detergent.
  • one or more dicarboxylic acids and/or their salts can be added, in particular a composition of Na salts of adipic, succinic and glutaric acid, such as those available under the trade name Sokalan® DSC is. It is advantageously used in amounts of 0.1 to 8% by weight, preferably 0.5 to 7% by weight, in particular 1.3 to 6% by weight and particularly preferably 2 to 4% by weight, based on the total weight of the dishwashing detergent.
  • the agent according to the invention is preferably free of dicarboxylic acid (salts).
  • one or more other - especially in hand dishwashing detergents - common auxiliaries and additives, in particular UV stabilizers, perfume, pearlescent agents (INCI opacifying agents; for example glycol distearate, for example Cutina ® AGS from Cognis, or mixtures containing this, for example Euperlane ® from Cognis), dyes, corrosion inhibitors, preservatives (e.g.
  • bronopol the technical 2-bromo-2-nitropropane-1,3-diol, also known as bronopol ( CAS 52-51-7 ), which is commercially available, for example, as Myacide ® BT or as Boots Bronopol BT from Boots) or Acticide MBR 1 or Acticide CMB 2, organic salts, disinfectants, pH adjusters and additives that improve skin feel or care for the skin (e.g. dermatologically active substances such as vitamin A, vitamin B2, vitamin B12, vitamin C, vitamin E, D panthenol, sericerin, collagen partial hydrolyzate, various vegetable protein partial hydrolysates, protein hydrolyzate fatty acid condensates, liposomes, cholesterol, vegetable and animal oils such as e.g.
  • dermatologically active substances such as vitamin A, vitamin B2, vitamin B12, vitamin C, vitamin E, D panthenol, sericerin, collagen partial hydrolyzate, various vegetable protein partial hydrolysates, protein hydrolyzate fatty acid condensates
  • lecithin soybean oil, etc.
  • plant extracts such as aloe vera, azulene, witch hazel extracts, algae extracts, etc., allantoin, AHA complexes, glycerin, urea, quaternized hydroxyethyl cellulose), in amounts usually not more than 8% by weight based on the total weight of the dishwashing detergent.
  • Na-xylenesulfonate can be used as an additive.
  • the pH value of the agent according to the invention can be adjusted using conventional pH regulators, for example acids such as mineral acids or citric acid and/or alkalis such as sodium or potassium hydroxide, with a range of 4 to 9 - particularly if hand tolerance is desired.
  • acids such as mineral acids or citric acid
  • alkalis such as sodium or potassium hydroxide
  • the agent according to the invention can contain one or more buffer substances (INCI buffering agents), usually in amounts of 0.001 to 5% by weight, preferably 0.005 to 3% by weight, in particular 0 .01 to 2% by weight, particularly preferably 0.05 to 1% by weight, most preferably 0.1 to 0.5% by weight, for example 0.2% by weight.
  • buffer substances that are also complexing agents or even chelating agents (chelators, INCI chelating agents) are preferred.
  • Particularly preferred buffer substances are citric acid or citrates, in particular sodium and potassium citrates, for example trisodium citrate 2 H2O and tripotassium citrate H2O.
  • Table 1 The example compositions shown in Table 1 were provided using a basic formulation comprising 6.4% by weight anionic surfactant and 1.6% amine oxide surfactant. The total amount of surfactant is therefore 8% by weight. The recipe also contained smaller amounts of fragrances and dyes as well as protease and amylase enzymes. Table 1 Example Reference symbols EtOH C.S AM / LM total NaCl C1 10 0 0.6 13 4.4 E1 50 1.5 0.6 4 6.7 E2 30 0.75 0.6 6 5.27 E3 40 1,125 0.6 5 6 E4 80 1.5 0.6 4 7.65 E5 70 1.5 0.6 4 7.2
  • compositions result from the values in Table 1 and the basic recipe.
  • the solvent includes ethanol and cumene sulfonate, CS.
  • the table also shows the ratio of the total amount of surfactant to the total amount of solvent.
  • the viscosity curves are in Figure 1 shown.
  • the example recipes E1 to E5 according to the invention show that the compositions according to the invention in particular have a good viscosity profile in the skin-friendly pH range of at least 7.
  • the viscosities of the compositions are such that the consumer perceives the compositions to be of high quality and the viscosity within the relevant pH range has a relatively small/stable change depending on the pH value.
  • the homogeneous mixing of the components using stirring tools was possible sufficiently well.
  • the comparison formulation C1 showed an unsuitable viscosity profile. High viscosity values could be achieved. In contrast to the example recipes according to the invention, however, these were not sufficiently constant/stable depending on the pH value. The manufacturing process of such a composition is made considerably more difficult or even impossible due to the viscosity peaks, since sufficient mixing of the composition using stirring tools is prevented.
  • composition E2 has a slight peak in viscosity.
  • the ratio of total surfactant content to solvent is 6. Therefore, according to a preferred embodiment, a ratio of total surfactant content to solvent is described which is less than 10, in particular 4 and 5, as is the case in examples E1, E3, E4, and E5 is.
  • example compositions with a higher total surfactant content were provided.
  • the corresponding example compositions shown in Table 2 were provided using a basic recipe comprising 16% by weight anionic surfactant and 4% amine oxide surfactant. The total amount of surfactant is therefore 20% by weight.
  • the recipe also contained smaller amounts of fragrances and dyes as well as protease and amylase enzymes.
  • Table 2 Example Reference symbols EtOH C.S AM / LM total NaCl C2 110 1 1 10 1,875 E6 150 3.9 1 4 4.9
  • compositions result from the values in Table 2 and the basic recipe.
  • the solvent includes ethanol and cumene sulfonate, CS.
  • the table also shows the ratio of the total amount of surfactant to the total amount of solvent.
  • the viscosity curves are in Figure 2 shown.
  • the comparison formulation C2 showed an even more pronounced viscosity peak than in the compositions with lower total surfactant amounts C1.
  • the problem already presented applies particularly to higher total surfactant contents.
  • composition E6 according to the invention is characterized by a particularly stable viscosity profile. Compared to the recipes E1 to E5 with a lower total surfactant content, even better stabilization of the viscosity is achieved.
  • the advantageous stabilization of the viscosity curve occurs particularly at higher total surfactant amounts of at least 12% by weight.
  • the ratio of total surfactant content to solvent is also preferably less than 10, in particular between 4 and 6, more preferably 4 or 5.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Claims (10)

  1. Composition pour le lavage manuel de la vaisselle comprenant
    au moins un tensioactif,
    caractérisée en ce que la composition comprend en outre
    au moins un sel inorganique, ledit sel étant un sel alcalin et/ou un sel alcalino-terreux, solvant, et dans lequel la viscosité de la composition est de 1000 cps à 4000 cps, et
    dans laquelle le pH de la composition est d'au moins 7,5 et est inférieur à 8,5, et dans laquelle le solvant comprend de l'éthanol et du cumènesulfonate.
  2. Composition pour le lavage manuel de la vaisselle selon la revendication 1, dans laquelle la viscosité de la composition est de 1500 cps à 3500 cps, de préférence de 1500 à 3000 cps.
  3. Composition pour le lavage manuel de la vaisselle selon l'une quelconque des revendications précédentes, dans laquelle le sel est un halogénure alcalin et/ou un halogénure alcalino-terreux, de préférence le chlorure de potassium et/ou le chlorure de sodium.
  4. Composition pour le lavage manuel de la vaisselle selon l'une quelconque des revendications précédentes, dans laquelle la quantité de sel inorganique est d'au moins 2 % en poids, de préférence d'au moins 4 % en poids.
  5. Composition pour le lavage manuel de la vaisselle selon l'une quelconque des revendications précédentes, dans laquelle le rapport entre la teneur totale en tensioactif et le solvant est inférieur à 10, de préférence compris entre 4 et 6, plus préférablement égal à 4 ou 5.
  6. Composition pour le lavage de la vaisselle à la main selon l'une quelconque des revendications précédentes, dans laquelle ladite composition pour le lavage de la vaisselle à la main comprend au moins une enzyme.
  7. Composition pour le lavage de la vaisselle à la main selon l'une quelconque des revendications précédentes, dans laquelle la composition pour le lavage de la vaisselle à la main comprend un agent tensioactif anionique.
  8. Composition pour le lavage manuel de la vaisselle selon l'une quelconque des revendications précédentes, dans laquelle
    la composition de lavage de la vaisselle à la main comprend un oxyde d'amine et/ou un tensioactif bétaïne.
  9. Composition pour le lavage manuel de la vaisselle selon l'une quelconque des revendications précédentes, dans laquelle la quantité totale de tensioactif est d'au moins 12 % en poids, de préférence d'au moins 20 % en poids.
  10. Utilisation d'une composition selon l'une quelconque des revendications précédentes pour le nettoyage manuel de la vaisselle.
EP21177322.1A 2021-06-02 2021-06-02 Détergent à viscosité modifiée pour le lavage manuel de la vaisselle Active EP4098727B1 (fr)

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EP21177322.1A EP4098727B1 (fr) 2021-06-02 2021-06-02 Détergent à viscosité modifiée pour le lavage manuel de la vaisselle
PL21177322.1T PL4098727T3 (pl) 2021-06-02 2021-06-02 Środki do ręcznego mycia naczyń o zmodyfikowanej lepkości

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ242284A (en) 1992-03-18 1994-02-25 Colgate Palmolive Co Aqueous dishwashing detergent comprising an alkyl benzene sulphonate
WO2014070643A1 (fr) 2012-10-30 2014-05-08 The Procter & Gamble Company Compositions détergentes liquides nettoyantes et désinfectantes pour vaisselle à la main
WO2019006227A1 (fr) 2017-06-29 2019-01-03 The Procter & Gamble Company Composition de nettoyage
DE102019203801A1 (de) 2019-03-20 2020-09-24 Henkel Ag & Co. Kgaa Handgeschirrspülmittel umfassend Glutaminsäure Komplexbildner
EP3766954A1 (fr) 2019-07-15 2021-01-20 The Procter & Gamble Company Produit de nettoyage comprenant un ensemble de récipient inversé et une composition de nettoyage visqueuse

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Publication number Priority date Publication date Assignee Title
DE68917763T2 (de) * 1988-03-21 1995-02-02 Unilever Nv Flüssiges Reinigungsmittel.
US5500151A (en) * 1988-10-07 1996-03-19 Colgate-Palmolive Co. Heavy duty fabric softening laundry detergent composition
WO1999000470A1 (fr) * 1997-06-30 1999-01-07 The Procter & Gamble Company COMPOSITIONS DE DETERGENTS DELICATS POUR LAVER LA VAISSELLE SOUS FORME DE LIQUIDES OU DE GELS, AYANT UN pH REGULE ET LES CARACTERISTIQUES SOUHAITABLES DE MOUSSAGE, DE PROPRIETES RHEOLOGIQUES ET D'ELIMINATION DES TACHES D'ALIMENTS
DE19817833A1 (de) * 1997-11-26 1999-10-28 Henkel Kgaa Geschirrspülmittel mit spezifischem Viskositätsprofil
ES2484002T3 (es) * 2009-02-02 2014-08-08 The Procter & Gamble Company Composición detergente líquida para lavado de vajillas a mano
DE102013207933A1 (de) 2013-04-30 2014-10-30 Henkel Ag & Co. Kgaa Reinigungsmittel enthaltend Proteasen
EP3670637B1 (fr) * 2018-12-18 2025-08-06 Henkel AG & Co. KGaA Régulation de la viscosité dans les agents de rinçage à la main

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ242284A (en) 1992-03-18 1994-02-25 Colgate Palmolive Co Aqueous dishwashing detergent comprising an alkyl benzene sulphonate
WO2014070643A1 (fr) 2012-10-30 2014-05-08 The Procter & Gamble Company Compositions détergentes liquides nettoyantes et désinfectantes pour vaisselle à la main
WO2019006227A1 (fr) 2017-06-29 2019-01-03 The Procter & Gamble Company Composition de nettoyage
DE102019203801A1 (de) 2019-03-20 2020-09-24 Henkel Ag & Co. Kgaa Handgeschirrspülmittel umfassend Glutaminsäure Komplexbildner
EP3766954A1 (fr) 2019-07-15 2021-01-20 The Procter & Gamble Company Produit de nettoyage comprenant un ensemble de récipient inversé et une composition de nettoyage visqueuse

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EP4098727A1 (fr) 2022-12-07
PL4098727T3 (pl) 2024-04-29

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