WO2022075204A1 - Composition pour fibres de kératine - Google Patents

Composition pour fibres de kératine Download PDF

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Publication number
WO2022075204A1
WO2022075204A1 PCT/JP2021/036364 JP2021036364W WO2022075204A1 WO 2022075204 A1 WO2022075204 A1 WO 2022075204A1 JP 2021036364 W JP2021036364 W JP 2021036364W WO 2022075204 A1 WO2022075204 A1 WO 2022075204A1
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Prior art keywords
weight
composition
group
composition according
salts
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PCT/JP2021/036364
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English (en)
Inventor
Satoshi Kitano
Original Assignee
L'oreal
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Priority claimed from JP2020169798A external-priority patent/JP2022061701A/ja
Priority claimed from FR2011751A external-priority patent/FR3116199B1/fr
Application filed by L'oreal filed Critical L'oreal
Publication of WO2022075204A1 publication Critical patent/WO2022075204A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/10—Preparations for permanently dyeing the hair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0291—Micelles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/345—Alcohols containing more than one hydroxy group
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/41—Amines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/87—Polyurethanes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
    • A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/08—Preparations for bleaching the hair

Definitions

  • the present invention relates to a composition for keratin fibers, in particular, a composition for bleaching or dyeing keratin fibers such as hair.
  • oxidative bases such as ortho- or paraphenylenediamines, ortho- or para-aminophenols and heterocyclic compounds.
  • oxidative bases are generally combined with couplers.
  • couplers are colorless or weakly colored compounds.
  • oxidative bases and couplers are colorless or weakly colored compounds.
  • they can provide colored dye molecules through an oxidative condensation process.
  • Oxidative dyeing makes it possible to get colors with very high visibility, coverage of white hair, and a wide variety of shades. Oxidative dyeing is widely used because of the high color uptake as compared with direct dyeing using so-called direct dyes.
  • a composition comprising oxidative base(s), as well as coupler(s), with alkaline agent(s) is mixed with a developer composition comprising oxidizing agent(s) to prepare a ready-to-use composition, and then, the ready -to- use composition is applied onto keratin fibers.
  • the developer composition is capable of bleaching keratin fibers due to the function of the oxidizing agent(s) in the composition. Therefore, the developer composition as well as the ready-to-use composition (this may not include any oxidation base with or without any coupler) may be used to bleach keratin fibers.
  • compositions used for oxidative dyeing keratin fibers may be in the form of a gel. These gel compositions have good usability because they are easy to apply onto keratin fibers. However, conventional gel-type compositions for oxidative dyeing often provide keratin fibers with poor texture such as a rough or hard feeling to the touch.
  • a cationic polymer may be added to a composition for oxidative dyeing.
  • the use of a cationic polymer may cause aggregations if the cationic polymer is combined with some types of anionic ingredients.
  • the aggregations are not preferable in view of not only visual aspects but also usability of the composition.
  • an objective of the present invention is to provide a composition for keratin fibers, in particular for oxidative dyeing or bleaching of keratin fibers, which can be in the form of a homogeneous gel and can provide the keratin fibers with good texture such as a smooth and/or soft feeling to the touch, without causing aggregation.
  • composition for keratin fibers comprising:
  • the amount of the (a) compound(s) in the composition is 0.1% by weight or more, preferably 0.3% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition, and the (d) alkaline agent comprises at least one selected from alkanolamines, derivatives thereof, and salts thereof.
  • the (a) compound may be selected form amino acids, preferably cyclic ⁇ -amino acids, and more preferably, non-aromatic cyclic ⁇ -amino acids, and salts thereof.
  • the (a) compound may be selected from pyrrolidone carboxylic acid and salts thereof.
  • the amount of the (a) compound(s) in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition.
  • the (b) thickening agent may be selected from crosslinked acrylic acid homopolymers.
  • the amount of the (b) thickening agent(s) in the composition according to the present invention may be from 0.05% to 10% by weight, preferably from 0.1% to 5% by weight, and more preferably from 0.5% to 2% by weight, relative to the total weight of the composition.
  • the weight ratio of the (a) compound(s)/the (b) thickening agent(s) in the composition according to the present invention may be from 0.03 to 1.0, preferably from 0.05 to 0.8, and more preferably from 0.08 to 0.6.
  • the (c) polyol may be selected from the group consisting of glycerin, ethyleneglycol, polyethyleneglycol, propyleneglycol, dipropyleneglycol, butyleneglycol, pentyleneglycol, hexyleneglycol, and a mixture thereof.
  • the amount of the (c) polyol(s) in the composition according to the present invention may be from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.
  • the alkanolamine may be selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, N- dimethylethanolamine, 2-amino-2-methyl-l -propanol, triisopropanolamine, 2-amino-2- methyl- 1 ,3 -propanediol, 3 -amino- 1 ,2-propanediol, 3 -dimethylamino- 1 ,2-propanediol, tris(hydroxymethylamino)methane, and a mixture thereof.
  • the amount of the (d) alkaline agent(s) in the composition according to the present invention may be from 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, and more preferably from 1% to 5% by weight, relative to the total weight of the composition.
  • composition according to the present invention may further comprise (e) at least one anionic surfactant, preferably selected from (C 6 -C 30 )alkyl sulfates and (C 6 -C 30 )alkyl ether sulfates.
  • composition according to the present invention may further comprise at least one nonionic surfactant.
  • composition according to the present invention may further comprise (f) at least one dye.
  • the present invention also relates to a process for keratin fibers, comprising the steps of:
  • the amount of the (a) compound in the first composition is 0.1% by weight or more, preferably 0.3% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition
  • the (d) alkaline agent comprises at least one selected from alkanolamines, derivatives thereof, and salts thereof
  • the second composition comprises (g) at least one oxidizing agent and
  • Fig. 1 shows a front view of an example of a network formed by an associative polyurethane thickener in water in which the hydrophobic parts of the associative polyurethane thickener connect to form quasi-micelles which are indicated as flower micelles.
  • composition for keratin fibers in particular for oxidative dyeing or bleaching of keratin fibers, which can be in the form of a homogeneous gel and can provide the keratin fibers with good texture such as a smooth and/or soft feeling to the touch, without causing aggregation.
  • composition according to the present invention comprises:
  • the amount of the (a) compound(s) in the composition is 0.1% by weight or more, preferably 0.3% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition, and the (d) alkaline agent comprises at least one selected from alkanolamines, derivatives thereof, and salts thereof.
  • composition according to the present invention can be used as a cosmetic composition for keratin fibers such as hair, preferably a cosmetic composition for oxidative dyeing or bleaching of keratin fibers.
  • composition according to the present invention can have good usability because it can be in the form of a gel, and no aggregation is caused, in particular when mixed with another composition comprising at least one oxidizing agent.
  • composition according to the present invention can provide keratin fibers with good texture such as a smooth and/or soft feeling to the touch.
  • the present invention can reduce odor because alkanolamine or the like is used as an alkaline agent.
  • ammonia is used as an alkaline agent.
  • ammonia can cause a strong odor.
  • the composition according to the present invention does not need to use ammonia as an alkaline agent. Therefore, it is also possible for the present invention to prevent or reduce the odor by ammonia.
  • the present invention also relates to a process for keratin fibers comprising the steps of:
  • the amount of the (a) compound(s) in the composition is 0.1% by weight or more, preferably 0.3% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition, and the (d) alkaline agent comprises at least one selected from alkanolamines, derivatives thereof, and salts thereof, and the second composition comprises (g) at least one oxidizing agent; and
  • composition according to the present invention includes (a) at least one compound selected from amino acids, derivatives thereof, and salts thereof (hereafter, may be referred to as (a) compound). If two or more (a) compounds are used, they may be the same or different.
  • the (a) compound is selected from amino acids.
  • the amino acid has at least one amino group and at least one carboxyl group.
  • the amino group may be a primary amino group, a secondary amino group or a tertiary amino group, preferably a primary amino group or a secondary amino group, and more preferably a secondary amino group.
  • the molecular weight of the amino acid be less than 1000, more preferably less than 500, and even more preferably less than 200.
  • the amino acid not be a polymer.
  • the amino acid be a non-polymeric amino acid.
  • the amino acid may be selected from acidic amino acids, basic amino acids and neutral amino acids.
  • the acidic amino acids typically have one amino group and two carboxyl groups.
  • the basic amino acids typically have two amino groups and one carboxyl group. The number of amino group(s) and the number of carboxyl group(s) in the neutral amino groups are the same.
  • the amino acid may be in the D- or L-form.
  • the amino acid may be hydrophilic or hydrophobic.
  • a hydrophilic amino acid is preferable.
  • the amino acid may be selected from ⁇ -amino acids, ⁇ -amino acids, y-amino acids and 8- amino acids.
  • the amino acid be selected from an ⁇ -amino acid in which an amino group is bonded to the carbon atom to which a carboxyl group is bonded.
  • the ⁇ -amino acid may be selected from non-cyclic ⁇ -amino acids and cyclic ⁇ -amino acids.
  • the non-cyclic ⁇ -amino acid may be selected from the group consisting of alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine and valine.
  • the cyclic ⁇ -amino acid may be selected from non-aromatic cyclic ⁇ -amino acids such as pyrrolidone carboxylic acid (pyroglutamic acid or pidolic acid). Pyrrolidone carboxylic acid can be formed by intramolecular condensation with the amino group and the carboxyl group of glutamic acid.
  • the (a) compound is selected from the derivatives of amino acids.
  • the derivatives of amino acids may be selected from amino acids in which the hydrogen atom on the nitrogen atom of the amino group in the amino acids is substituted with at least one substituent.
  • substituent mention may be made of, for example, an alkyl group, acyl group, an alkenyl group, an alkoxyl group and an alkoxycarbonyl group.
  • the alkyl group may be a linear, branched or cyclic alkyl group.
  • the alkyl group may be a linear or branched C 1 -C 6 alkyl group, preferably C 1 -C 4 alkyl group, such as a methyl group, an ethyl group, a propyl group, an i-propyl group and a butyl group.
  • the alkyl group may be a cyclic C 3 -C 6 alkyl group, such as a cyclopentyl group and a cyclohexyl group.
  • the acyl group may be a C 1 -C 6 acyl group such as a formyl group and an acetyl group.
  • the alkenyl group may be a C 2 -C6 alkenyl group such as a vinyl group, an allyl group, a butylene group, a pentenyl group and a hexenyl group.
  • the alkoxy group may be a C 1 -C 6 alkoxy group such as a methoxy group, an ethoxy group and a propoxy group.
  • the alkoxycarbonyl group may be a C 1 -C 6 alkoxy carbonyl group such as a methoxycarbonyl group, an ethoxycarbonyl group, and a propoxycarbonyl group.
  • the above substituent may be further substituted with at least one group such as a halogen atom, an amino group, a nitro group, a cyano group, a hydroxyl group and an aromatic group such as a phenyl group.
  • the (a) compound is selected from the salts of amino acids or the salts of amino acid derivatives.
  • the type of the salts of amino acids or the salts of amino acid derivatives is not limited.
  • the salts may be acid salts or basic salts.
  • acid salts mention may be made of, for example, inorganic acid salts such as hydrochloride, sulfates, nitrates, and phosphates, and organic acid salts such as citrates, oxalates, acetates, formats, maleates, and tartrates.
  • inorganic base salts such as sodium salt, potassium salt, calcium salt, magnesium salt, copper salt, zinc salt, aluminum salt and ammonium salts
  • organic base salts such as triethylammonium salts, triethanolammonium salts, pyridinium salts and diisopropyl ammonium salts.
  • Sodium salt is preferable.
  • the (a) compound be selected from cyclic ⁇ -amino acids and salts thereof, more preferably non-aromatic cyclic ⁇ -amino acids and salts thereof, and even more preferably pyrrolidone carboxylic acid and salts thereof, in particular sodium pyrrolidone carboxylate (PCA-Na or Sodium PCA).
  • the amount of the (a) compound(s) in the composition according to the present invention is 0.1% by weight or more, preferably 0.3% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition. It is even more preferable that the amount of the (a) compound(s) in the composition according to the present invention be 0.75% by weight or more, and particularly preferably 1% by weight or more, relative to the total weight of the composition.
  • the amount of the (a) compound(s) in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition. It is even more preferable that the amount of the (a) compound(s) in the composition according to the present invention be 4% by weight or less, and particularly preferably 3% by weight or less, relative to the total weight of the composition.
  • the amount of the (a) compound(s) in the composition according to the present invention may be from 0.1% to 15% by weight, preferably from 0.3% to 10% by weight, and more preferably from 0.5% to 5% by weight, relative to the total weight of the composition. It is even more preferable that the amount of the (a) compound(s) in the composition according to the present invention be from 0.75% to 4% by weight, and particularly preferably from 1% to 3% by weight, relative to the total weight of the composition.
  • composition according to the present invention comprises (b) at least one thickening agent.
  • a single type of thickening agent may be used, but two or more different types of thickening agent may be used in combination.
  • the (b) thickening agent be selected from the group consisting of:
  • association thickener means an amphiphilic thickener comprising both hydrophilic units and hydrophobic units, for example, at least one C 8 -C 30 fatty chain and at least one hydrophilic unit.
  • associative thickeners that may be used are associative polymers chosen from: (aa) nonionic amphiphilic polymers comprising at least one fatty chain and at least one hydrophilic unit;
  • anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one fatty-chain unit;
  • (cc) cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one fatty-chain unit;
  • amphoteric amphiphilic polymers comprising at least one hydrophilic unit and at least one fatty-chain unit, wherein the fatty chain contains from 10 to 30 carbon atoms.
  • the (aa) nonionic amphiphilic polymers comprising at least one fatty chain and at least one hydrophilic unit may, for example, be chosen from:
  • celluloses modified with groups comprising at least one fatty chain examples that may be mentioned include: hydroxyethylcelluloses modified with groups comprising at least one fatty chain chosen from alkyl, arylalkyl, and alkylaryl groups, and in which the alkyl groups are, for example, C 8 -C 22 , such as the product Natrosol Plus Grade 330 CS(C 1 -C 6 alkyls) sold by the company Aquaion, and the product Bermocoll EHM 100 sold by the company Berol Nobel, and celluloses modified with polyalkylene glycol alkylphenyl ether groups, such as the product Amercell Polymer HM-1500 (polyethylene glycol (15) nonylphenyl ether) sold by the company Amerchol.
  • alkyl groups are, for example, C 8 -C 22 , such as the product Natrosol Plus Grade 330 CS(C 1 -C 6 alkyls) sold by the company Aquaion, and the product Bermocol
  • hydroxypropyl guars modified with groups comprising at least one fatty chain such as the product Esaflor EIM 22 (C 22 alkyl chain) sold by the company Lamberti, and the products Miracare XC95-3 (C 14 alkyl chain) and RE205-1 (C 20 alkyl chain) sold by the company Rhodia Chimie.
  • polyether urethanes comprising at least one fatty chain, such as C 10 -C 30 alkyl or alkenyl groups, for instance the products Elfacos T 210 and Elfacos T 212 sold by the company Akzo or the products Aculyn 44 and Aculyn 46 sold by the company Rohm & Haas.
  • copolymers of vinylpyrrolidone and of hydrophobic fatty-chain monomers examples that may be mentioned include: the products Antaron V216 and Ganex V216 (vinylpyrrolidone/hexadecene copolymer) sold by the company I.S.P., and the products Antaron V220 and Ganex V220 (vinylpyrrolidone/eicosene copolymer) sold by the company I.S.R
  • copolymers of C 1 -C 6 alkyl acrylates or methacrylates and of amphiphilic monomers comprising at least one fatty chain such as the oxyethylenated methyl methacrylate/stearyl acrylate copolymer sold by the company Goldschmidt under the name Antil 208.
  • copolymers of hydrophilic acrylates or methacrylates and of hydrophobic monomers comprising at least one fatty chain such as a polyethylene glycol methacrylate/lauryl methacrylate copolymer.
  • the (bb) anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one fatty-chain unit may, for example, be chosen from those comprising at least one fattychain allyl ether unit and at least one hydrophilic unit comprising an ethylenic unsaturated anionic monomeric unit, for example, a vinylcarboxylic acid unit and further, for example, be chosen from units derived from acrylic acids, methacrylic acids, and mixtures thereof, wherein the fatty-chain allyl ether unit corresponds to the monomer of formula (I) below:
  • CH 2 C(R 1 )CH 2 OB n R (I) in which R 1 is chosen from H and CH 3 , B is an ethyleneoxy radical, n is chosen from zero and integers ranging from 1 to 100, R is chosen from hydrocarbon-based radicals chosen from alkyl, arylalkyl, aryl, alkylaryl, and cycloalkyl radicals, containing from 10 to 30 carbon atoms, and further, for example, from 10 to 24 carbon atoms and even further, for example, from 12 to 18 carbon atoms.
  • a unit of formula (I) is, for example, a unit in which R 1 can be H, n can be equal to 10, and R can be a stearyl (C 18 ) radical.
  • Anionic amphiphilic polymers of this type are described and prepared, according to an emulsion polymerization process, in patent EP-0 216 479 B2.
  • anionic amphiphilic polymers are, for example, polymers formed from 20% to 60% by weight of acrylic acid and/or of methacrylic acid, from 5% to 60% by weight of lower alkyl (meth)acrylates, from 2% to 50% by weight of fatty-chain allyl ether of formula (I), and from 0% to 1% by weight of a crosslinking agent which is a well-known copolymerizable unsaturated polyethylenic monomer, for example, diallyl phthalate, allyl(meth)acrylate, divinylbenzene, (poly)ethylene glycol dimethacrylate, and methylenebisacrylamide.
  • a crosslinking agent which is a well-known copolymerizable unsaturated polyethylenic monomer, for example, diallyl phthalate, allyl(meth)acrylate, divinylbenzene, (poly)ethylene glycol dimethacrylate, and methylenebisacrylamide.
  • polymers examples include crosslinked terpolymers of methacrylic acid, of ethyl acrylate, and of polyethylene glycol (10 EO) stearyl ether (Steareth-10), such as those sold by the company Ciba under the names Salcare SC 80 and Salcare SC 90, which are aqueous 30% emulsions of a crosslinked terpolymer of methacrylic acid, of ethyl acrylate, and of steareth- 10 allyl ether (40/50/10).
  • EO polyethylene glycol
  • Salcare SC 80 and Salcare SC 90 which are aqueous 30% emulsions of a crosslinked terpolymer of methacrylic acid, of ethyl acrylate, and of steareth- 10 allyl ether (40/50/10).
  • the anionic amphiphilic polymers may further be chosen, for example, from those comprising at least one hydrophilic unit of unsaturated olefinic carboxylic acid type, and at least one hydrophobic unit of a type such as a (C 10 -C 30 ) alkyl ester of an unsaturated carboxylic acid.
  • the hydrophilic unit of unsaturated olefinic carboxylic acid type corresponds to, for example, the monomer of formula (II) below: in which R 1 is chosen from H, CH 3 , and C 2 H 5 , i.e., acrylic acid, methacrylic acid, and methacrylic acid units.
  • the hydrophobic unit of a type such as a (C 10 -C 30 ) alkyl ester of an unsaturated carboxylic acid corresponds to, for example, the monomer of formula (III) below: in which R 1 is chosen from H, CH 3 , and C 2 H 5 (i.e., acrylate, methacrylate, and methacrylate units) and is, for example, chosen from, for example, H (acrylate units) and CH 3 (methacrylate units), and R 2 is chosen from C 10 -C 30 alkyl radicals, for example, C 12 -C 22 alkyl radicals.
  • R 1 is chosen from H, CH 3 , and C 2 H 5 (i.e., acrylate, methacrylate, and methacrylate units) and is, for example, chosen from, for example, H (acrylate units) and CH 3 (methacrylate units)
  • R 2 is chosen from C 10 -C 30 alkyl radicals, for example, C 12 -C 22 alkyl radical
  • Examples of (C 10 -C 30 )alkyl esters of unsaturated carboxylic acids include lauryl acrylate, stearyl acrylate, decyl acrylate, isodecyl acrylate, and dodecyl acrylate, and the corresponding methacrylates, lauryl methacrylate, stearyl methacrylate, decyl methacrylate, isodecyl methacrylate, and dodecyl methacrylate.
  • Anionic amphiphilic polymers of this type are disclosed and prepared, for example, according to U.S. Pat. Nos. 3,915,921 and 4,509,949.
  • anionic amphiphilic polymers that can be used may further be chosen from polymers formed from a mixture of monomers comprising:
  • acrylic acid an ester of formula (IV) below: in which R 1 is chosen from H and CH 3 , R 2 is chosen from C 10 -C 30 alkyl radicals, such as alkyl radicals containing from 12 to 22 carbon atoms, and a crosslinking agent; such as polymers derived from 95% to 60% by weight of the acrylic acid (hydrophilic unit), 4% to 40% by weight of C 10 -C 30 alkyl acrylate (hydrophobic unit), and 0% to 6% by weight of crosslinking polymerizable monomer, or polymers derived from 98% to 96% by weight of the acrylic acid (hydrophilic unit), 1% to 4% by weight of C 10 -C 30 alkyl acrylate (hydrophobic unit), and 0.1% to 0.6% by weight of crosslinking polymerizable monomer; or
  • acrylic acid and lauryl methacrylate such as the polymers formed from 66% by weight of acrylic acid and 34% by weight of lauryl methacrylate.
  • the crosslinking agent can be a monomer comprising the group with at least one other polymerizable group whose unsaturated bonds are not conjugated.
  • polyallyl ethers such as polyallylsucrose and polyallylpentaerythritol .
  • anionic amphiphilic fatty-chain polymers mention may also be made, for example, of the ethoxylated copolymer of methacrylic acid/methyl acrylate/alkyl dimethyl-meta- isopropenylbenzylisocyanate sold under the name Viscophobe DB 1000 by the company Amerchol.
  • the (cc) cationic amphiphilic polymers used are, for example, chosen from quatemized cellulose derivatives and polyacrylates comprising amino side groups.
  • the quatemized cellulose derivatives are, for example, chosen from quatemized celluloses modified with groups comprising at least one fatty chain, such as alkyl, arylalkyl, and alkylaryl groups comprising at least 8 carbon atoms, and mixtures thereof, and quatemized hydroxyethylcelluloses modified with groups comprising at least one fatty chain, such as alkyl, arylalkyl, and alkylaryl groups comprising at least 8 carbon atoms, and mixtures thereof.
  • Quatemized and non-quatemized polyacrylates comprising amino side groups have, for example, hydrophobic groups, such as Steareth 20 (polyoxy-ethylenated(20) stearyl alcohol) and (C 10 -C 30 )alkyl PEG-20 itaconate.
  • alkyl radicals borne by the above quatemized celluloses and hydroxyethylcelluloses for example, contain from 8 to 30 carbon atoms.
  • aryl radicals for example, are chosen from phenyl, benzyl, naphthyl, and anthryl groups.
  • Examples of quatemized alkylhydroxyethyl-celluloses comprising C 8 -C 30 fatty chains are the products Quatrisoft LM 200, Quatrisoft LM-X 529-18-A, Quatrisoft LM-X 529- 18B (C 12 alkyl), and Quatrisoft LM-X 529-8 (C 18 alkyl) sold by the company Amerchol, and the products Crodacel QM, Crodacel QL (C 12 alkyl), and Crodacel QS (C 18 alkyl) sold by the company Croda.
  • polyacrylates comprising amino side chains are the polymers 8781-124B or 9492-103 and Structure Plus from the company National Starch.
  • amphoteric amphiphilic polymers comprising at least one hydrophilic unit and at least one fatty-chain unit
  • the associative thickeners in the compositions can have, for example, in solution or in dispersion at a concentration of 1% active material in water, a viscosity, measured using a Rheomat RM 180 rheometer at 25°C, of greater than 0.1 ps and further, for example, of greater than 0.2 cp, at a shear rate of 200 s -1 .
  • the associative thickener may be an associative polymeric thickener, preferably an associative polyurethane thickener.
  • the associative polyurethane thickener may be cationic or nonionic.
  • the associative polyurethane thickeners there may be mention of the associative polyurethane derivatives such as those obtained by polymerization: about 20% to 70% by weight of a carboxylic acid containing an ⁇ , ⁇ -monoethylenic unsaturation, about 20 to 80% by weight of a nonsurfactant monomer containing an ⁇ , ⁇ -monoethylenic unsaturation, about 0.5 to 60% by weight of a nonionic mono-urethane which is the product of the reaction of a monohydroxylated surfactant with a monoethylenically unsaturated monoisocyanate.
  • the associative polyurethane derivatives such as those obtained by polymerization: about 20% to 70% by weight of a carboxylic acid containing an ⁇ , ⁇ -monoethylenic unsaturation, about 20 to 80% by weight of a nonsurfactant monomer containing an ⁇ , ⁇ -monoethylenic unsaturation, about 0.5 to 60% by weight of a
  • this polymer is a methacrylic acid/methyl acrylate/dimethyl metaisopropenyl benzyl isocyanate of ethoxylated behenyl alcohol (40 EO) terpolymer as an aqueous dispersion at 25%.
  • This product is provided under the reference VISCOPHOBE DB1000 by the company AMERCHOL.
  • cationic associative polyurethane thickeners the family of which has been described by the applicant in French Patent Application No. 0009609. They can be represented more particularly by the following general formula (A): R-X-(P) n -[L-(Y) m ] r -L'- (P')p-X'-R' (A) in which: R and R', which are identical or different, represent a hydrophobic group or a hydrogen atom; X and X', which are identical or different, represent a group containing an amine functional group carrying or otherwise a hydrophobic group, or alternatively the group L"; L, L' and L", which are identical or different, represent a group derived from a diisocyanate; P and P', which are identical or different, represent a group containing an amine functional group carrying or otherwise a hydrophobic group; Y represents a hydrophilic group; r is an integer between 1 and 100, preferably between 1 and 50 and in particular between 1 and
  • the only hydrophobic groups of these polyurethanes are the groups R and R' at the chain ends.
  • the associative polyurethane thickener corresponds to formula (A) in which R and R' both represent independently a hydrophobic group, X, X' each represent a group L", n and p are between 1 and 1000, and L, L', L", P, P', Y and m have the meaning indicated in formula (A).
  • the associative polyurethane thickener corresponds to formula (A) in which R and R' both represent independently a hydrophobic group, X, X' each represent a group L", n and p are equal to 0, and L, L', L", Y and m have the meaning in formula (A) indicated above.
  • n and p are equal to 0 means that these polymers do not contain units derived from a monomer containing an amine functional group, incorporated into the polymer during polycondensation.
  • the protonated amine functional groups of these polyurethanes result from the hydrolysis of isocyanate functional groups, in excess, at the chain end, followed by alkylation of the primary amine functional groups formed by alkylating agents containing a hydrophobic group, that is to say compounds of the RQ or R'Q type, in which R and R' are as defined above and Q denotes a leaving group such as a halide, a sulfate and the like.
  • the associative polyurethane thickener corresponds to formula (A) in which R and R' both represent independently a hydrophobic group, X and X' both represent independently a group containing a quaternary amine, n and p are equal to zero, and L, L', Y and m have the meaning indicated in formula (A).
  • the number-average molecular mass of the cationic associative polyurethane thickeners is usually between 400 and 500000, in particular between 1000 and 400000, and ideally between 1000 and 300000 g/mol.
  • X and/or X' denote a group containing a tertiary or quaternary amine
  • X and/or X' may represent one of the following formulae:
  • R 2 represents a linear or branched alkylene radical having from 1 to 20 carbon atoms, containing or otherwise a saturated or unsaturated ring, or an arylene radical, it being possible for one or more of the carbon atoms to be replaced by a heteroatom chosen from N, S, O, P;
  • R 1 and R 3 which are identical or different, denote a linear or branched, C 1 -C 30 alkyl or alkenyl radical, an aryl radical, it being possible for at least one of the carbon atoms to be replaced by a heteroatom chosen from N, S, O, and P;
  • A’ is a physiologically acceptable counterion.
  • Z represents -O-, -S- or -NH-
  • R 4 represents a linear or branched alkylene radical having from 1 to 20 carbon atoms, containing or otherwise a saturated or unsaturated ring, an arylene radical, it being possible for one or more of the carbon atoms to be replaced by a heteroatom chosen from N, S, O and P.
  • the groups P and P', comprising an amine functional group may represent at least one of the following formulae: in which:
  • R 5 and R 7 have the same meanings as R 2 defined above;
  • R 6 , R 8 and R 9 have the same meanings as R 1 and R 3 defined above;
  • R 10 represents a linear or branched alkylene group, which is optionally unsaturated and which may contain one or more heteroatoms chosen from N, O, S and P;
  • A" is a physiologically acceptable counterion.
  • hydrophilic group is understood to mean a polymeric or nonpolymeric water-soluble group.
  • polymers are not involved, ethylene glycol, diethylene glycol and propylene glycol.
  • hydrophilic polymer there may be mentioned, by way of example, polyethers, sulfonated polyesters, sulfonated polyamides, or a mixture of these polymers.
  • the hydrophilic compound is a polyether and in particular a polyethylene oxide or a polypropylene oxide.
  • the cationic associative polyurethane thickeners of formula (A) are formed from diisocyanates and from various compounds possessing functional groups containing a labile hydrogen.
  • the functional groups containing a labile hydrogen may be alcohol functional groups, primary or secondary amine functional groups or thiol functional groups which give, after reaction with the diisocyanate functional groups, polyurethanes, polyureas and polythioureas, respectively.
  • polyurethanes of the present invention covers these three types of polymers, namely polyurethanes proper, polyureas and polythioureas and copolymers thereof.
  • a first type of compounds entering into the preparation of the polyurethane of formula (A) is a compound containing at least one unit containing an amine functional group.
  • This compound may be multifunctional, but preferably the compound is difunctional, that is to say, according to a preferred embodiment, this compound contains two labile hydrogen atoms carried for example by a hydroxyl, primary amine, secondary amine or thiol functional group. It is also possible to use a mixture of multifunctional and difunctional compounds in which the percentage of multifunctional compounds is low.
  • this compound may contain more than one unit containing an amine functional group. It is then a polymer carrying a repeat of the unit containing an amine functional group.
  • This type of compound may be represented by one of the following formulae: HZ-(P) n -ZH, or HZ-(P') p -ZH, in which Z, P, P 1 , n and p are as defined above.
  • N-methyldiethanolamine N-tert-butyldiethanolamine
  • N- sulfoethyldiethanolamine N-methyldiethanolamine, N-tert-butyldiethanolamine, and N- sulfoethyldiethanolamine.
  • methylenediphenyl diisocyanate methylenediphenyl diisocyanate, methylenecyclohexane diisocyanate, isophorone diisocyanate, toluene diisocyanate, naphthalene diisocyanate, butane diisocyanate, and hexane diisocyanate.
  • a third compound entering into the preparation of the polyurethane of formula (A) is a hydrophobic compound intended to form the terminal hydrophobic groups of the polymer of formula (A).
  • This compound consists of a hydrophobic group and a functional group containing a labile hydrogen, for example a hydroxyl, primary or secondary amine, or thiol functional group.
  • this compound may be a fatty alcohol, such as, in particular, stearyl alcohol, dodecyl alcohol, and decyl alcohol.
  • this compound may be for example a hydroxyl hydrogenated polybutadiene.
  • the hydrophobic group of the polyurethane of formula (A) may also result from the quatemization reaction of the tertiary amine of the compound containing at least one tertiary amine unit.
  • the hydrophobic group is introduced by the quatemizing agent.
  • This quatemizing agent is a compound of the RQ or R'Q type, in which R and R' are as defined above and Q denotes a leaving group such as a halide, a sulfate, and the like.
  • the cationic associative polyurethane thickener may additionally comprise a hydrophilic sequence.
  • This sequence is provided by a fourth type of compound entering into the preparation of the polymer.
  • This compound may be multifunctional. It is preferably difunctional. It is also possible to have a mixture where the percentage of multifunctional compound is low.
  • the functional groups containing a labile hydrogen are alcohol, primary or secondary amine, or thiol functional groups. This compound may be a polymer terminated at the chain ends by one of these functional groups containing a labile hydrogen.
  • hydrophilic polymer there may be mentioned, by way of example, polyethers, sulfonated polyesters, sulfonated polyamides, or a mixture of these polymers.
  • the hydrophilic compound is a polyether and in particular a polyethylene oxide or a polypropylene oxide.
  • hydrophilic group noted Y in formula (A) is optional. Indeed, the units containing a quaternary or protonated amine functional group may suffice to provide the solubility or water-dispersibility necessary for this type of polymer in an aqueous solution. Although the presence of a hydrophilic group Y is optional, cationic associative polyurethane thickeners which contain such a group are nevertheless preferred.
  • the associative polyurethane thickener used in the present invention may also be nonionic, in particular nonionic polyurethane -polyethers.
  • the nonionic polyurethane-polyethers may have both at least one hydrophilic moiety and at least one hydrophobic moiety. More particularly, said polymers may contain in their chain both hydrophilic sequences most often of a polyoxyethylenated nature and hydrophobic sequences which may be aliphatic linkages alone and/or cycloaliphatic and/or aromatic linkages.
  • these polyether-polyurethanes comprise at least two lipophilic hydrocarbon chains, having from 6 to 30 carbon atoms, preferably from 6 to 20, separated by a hydrophilic sequence, it being possible for the hydrocarbon chains to be pendent chains or chains at the end of a hydrophilic sequence. In particular, it is possible for one or more pendent chains to be envisaged.
  • the polymer may comprise a hydrocarbon chain at one end or at both ends of a hydrophilic sequence.
  • the polyether-polyurethanes may be polyblocks, in particular in triblock form.
  • the hydrophobic sequences may be at each end of the chain (for example: triblock copolymer with hydrophilic central sequence) or distributed both at the ends and in the chain (polyblock copolymers for example). These same polymers may also be in the form of graft units or may be star-shaped.
  • the associative polyurethane thickener can form a network in water in which the hydrophobic part connects quasi -micelles as shown in Fig. 1.
  • the associative polyurethane thickeners can increase the viscosity or consistency of the composition according to the present invention. Thus, after application of the composition according to the present invention, it can recover the original elasticity of the composition quickly.
  • the nonionic polyether-polyurethanes containing a fatty chain may be triblock copolymers whose hydrophilic sequence is a polyoxyethylenated chain comprising from 50 to 1000 oxyethylenated groups.
  • the nonionic polyether-polyurethanes comprise a urethane bond between the hydrophilic sequences, hence the origin of the name.
  • hydrophilic sequences are linked by other chemical bonds to the hydrophobic sequences are also included among the nonionic polyether-polyurethanes containing a hydrophobic chain.
  • nonionic polyether-polyurethanes containing a hydrophobic chain which can be used in the present invention, it is also possible to use Rheolate® 205 containing a urea functional group sold by the company RHEOX or else the Rheolates® 208, 204 or 212, as well as Acrysol RM 184®.
  • the product DW 1206B® from ROHM & HAAS containing a C20 alkyl chain and with a urethane bond, sold at 20% dry matter content in water, may also be used.
  • polyether-polyurethanes which can be used can also be chosen from those described in the article by G. Fonnum, J. Bakke and Fk. Hansen-Colloid Polym. Sci 271, 380-389 (1993).
  • polyurethanepolyethers comprising in their chain at least one polyoxyethylenated hydrophilic block and at least one of hydrophobic blocks containing at least one sequence chosen from aliphatic sequences, cycloaliphatic sequences, and aromatic sequences.
  • the polyurethane-polyethers comprise at least two hydrocarbonbased lipophilic chains having from 8 to 30 carbon atoms, separated by a hydrophilic block, and wherein the hydrocarbon-based chains are chosen from pendent chains and chains at the end of the hydrophilic block.
  • a polyurethane/polyether that may be obtained by polycondensation of at least three compounds comprising (i) at least one polyethylene glycol comprising from 150 to 180 mol of ethylene oxide, (ii) a polyoxyethylenated stearyl alcohol comprising 100 mol of ethylene oxide, and (iii) a diisocyanate.
  • Such polyurethane/polyethers are sold especially by the company Elementis under the name Rheolate FX 1100® and Rheoluxe 811®, which is a polycondensate of polyethylene glycol containing 136 mol of ethylene oxide, of stearyl alcohol polyoxyethylenated with 100 mol of ethylene oxide and of hexamethylene diisocyanate (HDI) with a weight-average molecular weight of 40000 (INCI name: PEG-136/Steareth-100/HDI Copolymer).
  • a polyurethane/polyether that may be obtained by polycondensation of at least three compounds comprising (i) at least one polyethylene glycol comprising from 150 to 180 mol of ethylene oxide, (ii) stearyl alcohol or decyl alcohol, and (iii) at least one diisocyanate.
  • Such polyurethane/polyethers are sold in particular by the company Rohm & Haas under the names Aculyn 46® and Aculyn 44®.
  • Aculyn 46® having the INCI name: PEG-150/Stearyl Alcohol/SMDI Copolymer is a polycondensate of polyethylene glycol comprising 150 or 180 mol of ethylene oxide, of stearyl alcohol and of methylenebis(4-cyclohexyl isocyanate) (SMDI) at 15% by weight in a matrix of maltodextrin (4%) and water (81%) (INCI name: PEG-150/Stearyl Alcohol/SMDI Copolymer).
  • Aculyn 44® (PEG-150/Decyl Alcohol/SMDI Copolymer) is a polycondensate of polyethylene glycol comprising 150 or 180 mol of ethylene oxide, of decyl alcohol and of methylenebis(4- cyclohexyl isocyanate) (SMDI) at 35% by weight in a mixture of propylene glycol (39%) and water (26%) (INCI name: PEG-150/Decyl Alcohol/SMDI Copolymer).
  • SMDI methylenebis(4- cyclohexyl isocyanate
  • R 1 represents a hydrocarbon group
  • R 2 and R 4 independently represent alkylene groups having 2 to 4 carbon atoms, which alkylene groups may be identical or different from each other, or a phenylethylene group
  • R 3 represents a hydrocarbon group, which may optionally have a urethane bond
  • R 5 represents a branched chain or secondary hydrocarbon group
  • m represents a number of at least 2
  • h represents a number of at least 1
  • k represents a number within the range of 1 to 500
  • n represents a number within the range of 1 to 200.
  • the hydrophobically modified polyurethane that is represented by the general formula (1) shown above is obtained by, for example, reacting at least one polyether polyol that is represented by the formula R 1 -[(O-R 2 )k-OH] m , at least one polyisocyanate that is represented by the formula R 3 -(NCO) h+1 , and at least one monoalcohol that is represented by the formula HO-(R 4 -O) n -R 5 .
  • R 1 to R 5 in the general formula (1) are determined by the compounds R 1 -[(O- R 2 )k-OH] m , R 3 -(NCO) h+1 and HO-(R 4 -O) n -R 5 .
  • the loading ratios among the three compounds are not particularly limited and should preferably be such that the ratio of the isocyanate group derived from the polyisocyanate to the hydroxyl group derived from the polyether polyol and the polyether monoalcohol is selected within the range of NCO/OH of between 0.8:1 and 1.4:1.
  • the polyether polyol compound that is represented by the formula R 1 -[(O-R 2 )k-OH] m and that may be used preferably for obtaining the associative thickener represented by the general formula (1) may be obtained from addition polymerization of an m-hydric polyol with an alkylene oxide, such as ethylene oxide, propylene oxide, butylene oxide, or epichlorohydrin, or with styrene oxide, and the like.
  • an alkylene oxide such as ethylene oxide, propylene oxide, butylene oxide, or epichlorohydrin, or with styrene oxide, and the like.
  • the polyols should preferably be di- to octa-hydric polyols.
  • di- to octahydric polyols include dihydric alcohols, such as ethylene glycol, propylene glycol, butylene glycol, hexamethylene glycol, and neopentyl glycol; trihydric alcohols, such as glycerol, trioxy isobutane, 1,2,3-butanetriol, 1,2, 3 -pentanetriol, 2-methyl- 1,2, 3 -propanetriol, 2-methyl-
  • R 2 is determined by the alkylene oxide, styrene oxide, or the like, which is subjected to the addition. Particularly, for availability and excellent effects, an alkylene oxide having 2 to 4 carbon atoms, or styrene oxide is preferable.
  • the alkylene oxide, styrene oxide, or the like, to be subjected to the addition may be subjected to single polymerization, or random polymerization or block polymerization of at least two members.
  • the procedure for the addition may be a conventional procedure.
  • the polymerization degree k may be selected within the range of 0 to 1 ,000, preferably within the range of 1 to 500, and more preferably within the range of 10 to 200.
  • the ratio of the ethylene group occupying R 2 should preferably be within the range of 50 to 100 mass % with respect to the total quantity of R 2 . In such cases, the associative thickener appropriate for the purposes of the present invention is obtained.
  • the molecular weight of the polyether polyol compound that is represented by the formula R’-[(O-R 2 )k-OH] m should preferably be selected within the range of 500 to 100,000, and should more preferably be selected within the range of 1,000 to 50,000.
  • the polyisocyanate that is represented by the formula R 3 -(NCO) h+1 and that may be used preferably for obtaining the hydrophobically modified polyether urethane represented by the general formula (1) employed in accordance with the present invention is not limited particularly in so far as the polyisocyanate has at least two isocyanate groups in the molecule.
  • the polyisocyanates include aliphatic diisocyanates, aromatic diisocyanates, alicyclic diisocyanates, biphenyl diisocyanate, phenylmethane diisocyanate, phenylmethane triisocyanate, and phenylmethane tetraisocyanate.
  • dimers and trimers are dimers and trimers (isocyanurate bonds) of the aboveenumerated polyisocyanates.
  • a biuret obtained by a reaction with an amine.
  • a polyisocyanate having a urethane bond obtained by a reaction of the aforesaid polyisocyanate compound and a polyol.
  • the polyol di- to octahydric polyols are preferable, and the above-enumerated polyols are preferable.
  • a tri- or higher-hydric polyisocyanate is used as the polyisocyanate that is represented by the formula R 3 -(NCO) n+1 , it is preferable to employ the aforesaid polyisocyanate having the urethane bond.
  • the polyether monoalcohol that is represented by the formula HO-(R 4 -O) n -R 5 and that may be used preferably for obtaining the hydrophobically modified polyether urethane represented by the general formula (1) employed in accordance with the present invention is not limited particularly in so far as the polyether monoalcohol is a polyether of a straight chain, branched chain, or secondary monohydric alcohol.
  • the polyether monoalcohol may be obtained by addition polymerization of the straight chain, branched chain, or secondary monohydric alcohol with an alkylene oxide, such as ethylene oxide, propylene oxide, butylene oxide, or epichlorohydrin, or with styrene oxide, and the like.
  • the compound represented by the general formula (1) may be produced by, for example, heating at a temperature of 80 to 90°C for 1 to 3 hours and thereby causing a reaction to occur in the same manner as that in the ordinary reaction of a polyether and an isocyanate.
  • polyethyleneglycol- 240/decyltetradeceth-20/hexamethylene diisocyanate copolymer is preferable.
  • the polyethyleneglycol-240/decyltetradeceth-20/hexamethylene diisocyanate copolymer is also referred to as PEG-240/HDI copolymer bis-decyltetradeceth-20 ether.
  • the associative polyurethane thickener be selected from Steareth-100/PEG-136/HDI Copolymer sold by the company Rheox under the name of Rheolate FX 1100, PEG-240/HDI Copolymer Bis-decyltetradeceth-20 ether sold by the company Asahi Denka under the name of Adekanol GT-700, and mixtures thereof.
  • the crosslinked acrylic acid homopolymers that may be mentioned are those crosslinked with an allylic alcohol ether of the sugar series.
  • carbomer which is a homopolymer of acrylic acid crosslinked with an allyl ether of pentaerythritol, an allyl ether of sucrose, or an allyl ether of propylene, such as the products sold under the names Carbopol 980, 981, 954, 2984, and 5984 by the company Lubrizol or the products sold under the names Synthalen M and Synthalen K by the company 3 VS A.
  • the crosslinked copolymers of (meth)acrylic acid and of C 1 -C 6 alkyl acrylate can be chosen from crosslinked copolymers of methacrylic acid and of ethyl acrylate as an aqueous dispersion comprising 38% active material sold, for example, under the name Viscoatex 538C by the company Coatex, and crosslinked copolymers of acrylic acid and of ethyl acrylate as an aqueous dispersion comprising 28% active material sold under the name Aculyn 33 by the company Rohm & Haas.
  • Crosslinked copolymers of methacrylic acid and of ethyl acrylate include an aqueous dispersion comprising 30% active material sold under the name CARBOPOL AQUA SF-1 by the company NOVEON.
  • nonionic homopolymers or copolymers comprising ethylenically unsaturated monomers of ester and/or amide type
  • Ammonium acrylate homopolymers that may be mentioned include the product sold under the name Microsap PAS 5193 by the company Hoechst.
  • Copolymers of ammonium acrylate and of acrylamide include the product sold under the name Bozepol C Wunsch or the product PAS 5193 sold by the company Hoechst (which are described and prepared in documents FR-2 416 723, U.S. Pat. No. 2,798,053, and U.S. Pat. No. 2,923,692).
  • the polysaccharides are, for example, chosen from glucans, modified and unmodified starches (such as those derived, for example, from cereals, for instance wheat, com, or rice, from vegetables, for instance yellow peas, and tubers, for instance potatoes or cassava), amylose, amylopectin, glycogen, dextrans, celluloses, and derivatives thereof (e.g., methylcelluloses, hydroxyalkylcelluloses, hydroxyethylcelluloses, and carboxymethylcelluloses), mannans, xylans, lignins, arabans, galactans, galacturonans, chitins, chitosans, glucuronoxylans, arabinoxylans, xyloglucans, glucomannans, pectic acids, and pectins, alginic acid and alginates, arabinogalactans, carrageenans, agars, glycosaminoglucans, gum arabic
  • polysaccharides that may be used are chosen from those described, for example, in “Encyclopedia of Chemical Technology", Kirk-Othmer, Third Edition, 1982, Volume 3, pp. 896-900, and Volume 15, pp. 439-458, in "Polymers in Nature” by E. A. MacGregor and C. T. Greenwood, published by John Wiley & Sons, Chapter 6, pp. 240-328, 1980, and in "Industrial Gums-Polysaccharides and their Derivatives", edited by Roy L. Whistler, Second Edition, published by Academic Press Inc., the content of these three publications being entirely incorporated by reference.
  • starches for example, starches, guar gums, celluloses, and derivatives thereof can be used.
  • starches that may be used, mention may be made, for example, of macromolecules in the form of polymers comprising base units which are anhydroglucose units.
  • base units which are anhydroglucose units.
  • amylose linear polymer
  • amylopectin branched polymer
  • the relative proportions of amylose and amylopectin, as well as their degree of polymerization, can vary according to the botanical origin of the starches.
  • the molecules of starches used may have cereals or tubers as their botanical origin.
  • the starches can be, for example, chosen from maize, rice, cassava, tapioca, barley, potato, wheat, sorghum, and pea starches.
  • Starches generally exist in the form of a white powder, insoluble in cold water, whose elementary particle size ranges from 3 to 100 microns.
  • the starches may be optionally C 1 -C 6 hydroxyalkylated or C 1 -C 6 6cylated (such as acetylated).
  • the starches may have also undergone heat treatments.
  • Distarch phosphates or compounds rich in distarch phosphate such as the product provided under the references PREJEL VA-70-T AGGL (gelatinized hydroxypropylated cassava distarch phosphate) or PREJEL TK1 (gelatinized cassava distarch phosphate) or PREJEL 200 (gelatinized acetylated cassava distarch phosphate) by the company AVEBE, may also be used.
  • the guar gums can be modified or unmodified.
  • the unmodified guar gums are, for example, the products sold under the name Vidogum GH 175 by the company Unipectine and under the names Meypro-Guar 50 and Jaguar C by the company Meyhall.
  • modified nonionic guar gums are, for example, modified with C 1 -C 6 hydroxyalkyl groups.
  • hydroxyalkyl groups that may be mentioned, for example, are hydroxymethyl, hydroxyethyl, hydroxypropyl, and hydroxybutyl groups.
  • guar gums are well known in the prior art and can be prepared, for example, by reacting the corresponding alkene oxides such as propylene oxides, with the guar gum so as to obtain a guar gum modified with hydroxypropyl groups.
  • the degree of hydroxyalkylation which corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar gum, may, for example, range from 0.4 to 1.2.
  • nonionic guar gums optionally modified with hydroxyalkyl groups are sold, for example, under the trade names Jaguar HP8, Jaguar HP60, Jaguar HP 120, Jaguar DC 293, and Jaguar HP 105 by the company Rhodia Chimie (Meyhall) or under the name Galactasol 4H 4FD2 by the company Aquaion.
  • celluloses and cellulose derivatives such as cellulose modified with hydroxylalkyl groups
  • cellulose modified with hydroxylalkyl groups are, for example, hydroxypropylmethylcellulose, hydroxyethylcellulose, and hydroxypropylcellulose, as well as hydrophobicized hydroxypropylmethylcellulose.
  • the fatty alcohols are, for example, chosen from myristyl alcohol, cetyl alcohol, stearyl alcohol, and behenyl alcohol.
  • the (b) thickening agent be selected from hydrophilic thickeners.
  • the hydrophilic thickeners can thicken an aqueous phase if the composition according to the present invention includes water.
  • the (b) thickening agent may be selected from anionic polymers.
  • the anionic polymers may be selected from crosslinked acrylic acid homopolymers and polysaccharides, as explained above, or a mixture thereof.
  • the (b) thickening agent be selected from crosslinked acrylic acid homopolymers, such as carbomers.
  • the amount of the (b) thickening agent(s) in the composition according to the present invention may be 0.05% by weight or more, preferably 0.1% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition.
  • the amount of the (b) thickening agent(s) in the composition according to the present invention may be 10% by weight or less, preferably 5% by weight or less, and more preferably 2% by weight or less, relative to the total weight of the composition.
  • the amount of the (b) thickening agent(s) in the composition according to the present invention may be from 0.05% to 10% by weight, preferably from 0.1% to 5% by weight, and more preferably from 0.5% to 2% by weight, relative to the total weight of the composition.
  • the weight ratio of the (a) compound(s)/the (b) thickening agent(s) in the composition according to the present invention may be 0.03 or more, preferably 0.05 or more, and more preferably 0.08 or more.
  • the weight ratio of the (a) compound(s)/the (b) thickening agent(s) in the composition according to the present invention may be 1.0 or less, preferably 0.8 or less, and more preferably 0.6 or less.
  • the weight ratio of the (a) compound(s)/the (b) thickening agent(s) in the composition according to the present invention may be from 0.03 to 1.0, preferably from 0.05 to 0.8, and more preferably from 0.08 to 0.6.
  • composition according to the present invention comprises (c) at least one polyol.
  • Two or more different types of (c) polyols may be used in combination.
  • a single type of (c) polyol or a combination of different types of (c) polyols may be used.
  • polyol here means an alcohol having two or more hydroxy groups, and does not encompass a saccharide or a derivative thereof.
  • the derivative of a saccharide includes a sugar alcohol which is obtained by reducing one or more carbonyl groups of a saccharide, as well as a saccharide or a sugar alcohol in which the hydrogen atom or atoms in one or more hydroxy groups thereof has or have been replaced with at least one substituent such as an alkyl group, a hydroxyalkyl group, an alkoxy group, an acyl group or a carbonyl group.
  • the polyols used in the present invention are liquid at ambient temperature such as 25°C under atmospheric pressure (760 mmHg or 105 Pa).
  • the polyol may be a C 2 -C 24 polyol, preferably a C 2 -C 9 polyol, comprising at least 2 hydroxy groups, and preferably 2 to 5 hydroxy groups.
  • the polyol may be a natural or synthetic polyol.
  • the polyol may have a linear, branched or cyclic molecular structure.
  • the polyol may be selected from glycerins and derivatives thereof, and glycols and derivatives thereof.
  • the polyol may be selected from the group consisting of glycerin, diglycerin, polyglycerin, ethyleneglycol, diethyleneglycol, propyleneglycol, dipropyleneglycol, butyleneglycol, pentyleneglycol, hexyleneglycol, C 6 -C 24 polyethyleneglycol, 1,3 -propanediol, 1 ,4-butanediol, 1,5 -pentanediol, and a mixture thereof.
  • the (c) polyol be selected from the group consisting of glycerin, ethyleneglycol, polyethyleneglycol, propyleneglycol, dipropyleneglycol, butyleneglycol, pentyleneglycol, hexyleneglycol, and a mixture thereof.
  • the amount of the (c) polyol(s) in the composition according to the present invention may be from 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably from 1% by weight or more, relative to the total weight of the composition.
  • the amount of the (c) polyol(s) in the composition according to the present invention may be from 20% by weight or less, preferably from 15% by weight or less, and more preferably from 10% by weight or less, relative to the total weight of the composition.
  • the amount of the (c) polyol(s) in the composition according to the present invention may be from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.
  • composition according to the present invention comprises (d) at least one alkaline agent comprising at least one selected from alkanolamines, derivatives thereof, and salts thereof. If two or more (d) alkaline agents are used, they may be the same or different.
  • the (d) alkaline agent is different from the (a) compound.
  • the (d) alkaline agent comprises at least one selected from alkanolamines, derivatives of alkanolamines (alkanolamine derivatives), and salts of alkanolamines or alkanolamine derivatives.
  • the alkanolamines have an alkane structure with at least one hydroxyl group and at least one amino group.
  • alkanolamines mention may be made of, for example, mono-, di-, and triethanolamines.
  • the alkanolamine may be selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, N-dimethylethanolamine, 2-amino-2-methyl-l -propanol, triisopropanolamine, 2-amino-2-methyl- 1,3 -propanediol, 3-amino-l,2-propanediol, 3- dimethylamino-l,2-propanediol, tris(hydroxymethylamino)methane, and a mixture thereof.
  • the alkanolamine derivative may be selected from alkanolamines in which the hydrogen atom on the nitrogen atom, if present, of the amino group in the alkanolamines is substituted with at least one substituent.
  • substituent mention may be made of, for example, an alkyl group, an alkenyl group, and an alkynyl group.
  • the alkyl group may be a linear, branched or cyclic alkyl group.
  • the alkyl group may be a linear or branched C 1 -C 6 alkyl group, preferably C 1 -C 4 alkyl group, such as a methyl group, an ethyl group, a propyl group, an i-propyl group and a butyl group.
  • the alkyl group may be a cyclic C 3 -C 6 alkyl group, such as a cyclopentyl group and a cyclohexyl group.
  • the alkenyl group may be a C 2 -C 6 alkenyl group such as a vinyl group, an allyl group, a butylene group, a pentenyl group and a hexenyl group.
  • the alkynyl group may be a C 2 -C 6 alkynyl group such as an ethynyl group, and a propanyl group.
  • the above substituent may be further substituted with at least one group such as a halogen atom, a nitro group, a cyano group, a hydroxyl group and an aromatic group such as a phenyl group.
  • the (d) alkaline agent may also comprise an additional basifying agent.
  • the additional basifying agent may be selected from inorganic and/or organic basifying agents.
  • inorganic basifying agent mention may be made of, for example, sodium and potassium hydroxide.
  • ammonia may be used as the inorganic basifying agent. However, it is preferable that the amount of ammonia in the composition according to the present invention be as small as possible. For example, the amount of ammonia in the composition according to the present invention may be 1% by weight or less, preferably 0.1% by weight or less, and more preferably 0.01% by weight or less. It is most preferable that the composition according to the present invention include no ammonia.
  • organic basifying agent mention may be made of, for example, urea, guanidine and derivatives thereof; diamines such as those described in the structure below: wherein
  • R denotes an alkylene such as propylene optionally substituted by a hydroxyl or a C 1 -C 4 alkyl radical
  • R 1 , R 2 , R 3 , and R 4 independently denote a hydrogen atom, an alkyl radical, or a C 1 -C 4 hydroxyalkyl radical, which may be exemplified by 1,3 -propanediamine, and derivatives thereof.
  • the type of the salts of alkanolamines and alkanolamine derivatives is not limited.
  • the salts may be acid salts.
  • acid salts mention may be made of, for example, inorganic acid salts such as hydrochloride, sulfates, nitrates, and phosphates, and organic acid salts such as citrates, oxalates, acetates, formats, maleates, and tartrates.
  • the amount of the (d) alkaline agent(s) in the composition according to the present invention may be from 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably from 1 % by weight or more, relative to the total weight of the composition.
  • the amount of the (d) alkaline agent(s) in the composition according to the present invention may be from 15% by weight or less, preferably from 10% by weight or less, and more preferably from 5% by weight or less, relative to the total weight of the composition.
  • the amount of the (d) alkaline agent(s) in the composition according to the present invention may be from 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, and more preferably from 1% to 5% by weight, relative to the total weight of the composition.
  • composition according to the present invention may further comprise (e) at least one anionic surfactant. If two or more (e) anionic surfactants are used, they may be the same or different.
  • the type of (e) anionic surfactant is not limited. It is preferable that the (e) anionic surfactant be selected from the group consisting of (C 6 -C 30 )alkyl sulfates, (C 6 -C 30 )alkyl ether sulfates, (C 6 -C 30 )alkylamido ether sulfates, alkylaryl polyether sulfates, and monoglyceride sulfates; (C 6 -C 30 )alkylsulfonates, (C 6 -C 30 )alkylamide sulfonates, (C 6 -C 30 )alkylaryl sulfonates, ⁇ -olefm sulfonates, and paraffin sulfonates; (C 6 - C 30 )alkyl phosphates; (C 6 -C 30 )alkyl sulfosuccinates, (C 6 -C 30 ).
  • the (e) anionic surfactants are in the form of salts such as salts of alkali metals, for instance sodium; salts of alkaline-earth metals, for instance magnesium; ammonium salts; amine salts; and amino alcohol salts. Depending on the conditions, they may also be in acid form.
  • the (e) anionic surfactant be selected from (C 6 -C 30 )alkyl sulfates and (C 6 -C 30 )alkyl ether sulfates. It is even more preferable that the (e) anionic surfactant be selected from (C 6 -C 30 )alkyl ether sulfates, e.g., sodium laureth sulfate.
  • the amount of the (e) anionic surfactant(s) in the composition according to the present invention may be 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably 1% by weight or more, relative to the total weight of the composition. It is even more preferable that the amount of the (e) anionic surfactant(s) in the composition according to the present invention be 2% by weight or more, relative to the total weight of the composition.
  • the amount of the (e) anionic surfactant(s) in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition. It is even more preferable that the amount of the (e) anionic surfactant(s) in the composition according to the present invention be 4% by weight or less, relative to the total weight of the composition.
  • the amount of the (e) anionic surfactant(s) in the composition according to the present invention may be from 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, and more preferably from 1% to 5% by weight, relative to the total weight of the composition. It is even more preferable that the amount of the (e) anionic surfactant(s) in the composition according to the present invention be from 2% to 4% by weight, relative to the total weight of the composition.
  • composition according to the present invention may further comprise (f) at least one dye. If two or more (f) dyes are used, they may be the same or different.
  • the dye be selected from oxidative dyes.
  • the oxidative dyes may be selected from oxidation bases and couplers.
  • the oxidation base can be selected from those conventionally known in oxidation dyeing, preferably from the group consisting of ortho- and para-phenylenediamines, double bases, ortho- and para-aminophenols, heterocyclic bases, and the acid addition salts thereof.
  • R 1 represents a hydrogen atom, a C 1 -C 4 alkyl radical, a monohydroxy(C 1 -C 4 alkyl) radical, a polyhydroxy-(C 2 -C 4 alkyl) radical, a (C 1 -C 4 )alkoxy(C 1 -C 4 )alkyl radical, a C 1 -C 4 alkylradical substituted with a nitro gen-containing group, a phenyl radical, or a 4 ’-aminophenyl radical;
  • R 2 represents a hydrogen atom, a C 1 -C 4 alkyl radical, a monohydroxy(C 1 -C 4 alkyl) radical, a polyhydroxy(C 2 -C 4 alkyl) radical, a (C 1 -C 4 )alkoxy(C 1 -C 4 )alkyl radical, or a C 1 -C 4 alkyl radical substituted with a nitrogen-containing group;
  • R 1 and R 2 may also form with the nitrogen atom carrying them a 5- or 6-membered nitrogencontaining heterocycle optionally substituted with one or more alkyl, hydroxyl, or ureido groups;
  • R 3 represents a hydrogen atom, a halogen atom such as a chlorine atom, a C 1 -C 4 alkyl radical, a sulpho radical, a carboxyl radical, a monohydroxy(C 1 -C 4 alkyl) radical, a hydroxy(C 1 -C 4 alkoxy) radical, an acetylamino(C 1 -C 4 alkoxy) radical, a mesylamino(C 1 -C 4 alkoxy) radical, or a carbamoylamino(C 1 -C 4 alkoxy) radical; and R 4 represents a hydrogen or halogen atom or a C 1 -C 4 alkyl radical.
  • nitrogen-containing groups of formula (I) above there may be mentioned in particular the amino, mono(C 1 -C 4 )alkylamino, (C 1 -C 4 )dialkylamino, (C 1 -C 4 )trialkylamino, monohydroxy(C 1 -C 4 )alkylamino, di(monohydroxy(C 1 -C 4 )alkyl)amino, imidazolinium, and ammonium radicals.
  • para-phenylenediamines of formula (I) above mention may be more particularly made of para-phenylenediamine, para-tolylenediamine, 2-chloro-paraphenylenediamine, 2,3- dimethyl-para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl-para- phenylenediamine, 2,5-dimethyl-para-phenylenediamine, N,N-dimethylpara- phenylenediamine, N,N-diethyl-para-phenylenediamine, N,N-dipropyl- paraphenylenediamine, 4-amino-N,N-diethyl-3 -methylaniline, N,N-bis( ⁇ -hydroxyethyl)- paraphenylenediamine, 4-N,N-bis( ⁇ -hydroxyethyl)amino-2-methylaniline, 4-N,N-bis( ⁇ - hydroxyeth
  • para-phenylenediamines of formula (I) above most particularly preferred are para-phenylenediamine, para-tolylenediamine, 2-isopropyl-paraphenylenediamine, 2- ⁇ - hydroxyethyl-para-phenylenediamine, 2- ⁇ -hydroxyethyloxy-para-phenylenediamine, 2,6- dimethyl -para-phenylenediamine, 2, 6-diethyl -para-phenylenediamine, 2,3 -dimethyl-para- phenylenediamine, N,N-bis( ⁇ -hydroxyethyl)-para-phenylenediamine, 2-chloro-para- phenylenediamine, and their addition salts with an acid.
  • double bases are understood to mean compounds containing at least two aromatic rings on which amino and/or hydroxyl groups are carried.
  • - Z 1 and Z 2 which are identical or different, represent a hydroxyl or -NH 2 radical which may be substituted with a C 1 -C 4 alkyl radical or with a linking arm Y;
  • the linking arm Y represents a linear or branched alkylene chain comprising from 1 to 14 carbon atoms, which may be interrupted by or which may end with one or more nitrogencontaining groups and/or one or more heteroatoms such as oxygen, sulphur, or nitrogen atoms, and optionally substituted with one or more hydroxyl or C 1 -C 6 alkoxy radicals;
  • R 5 and R 6 represent a hydrogen or halogen atom, a C 1 -C 4 alkyl radical, a monohydroxy(C 1 -C 4 alkyl) radical, a polyhydroxy(C 2 -C 4 alkyl) radical, an amino(C 1 -C 4 alkyl) radical, or a linking arm Y;
  • R 7 , R 8 , R 9 , R 10 , R 11 , and R 12 which are identical or different, represent a hydrogen atom, a linking arm Y, or a C 1 -C 4 alkyl radical; it being understood that the compounds of formula (II) contain only one linking arm Y per molecule.
  • nitrogen-containing groups of formula (II) above mention may be made in particular of the amino, mono(C 1 -C 4 )alkylamino, (C 1 -C 4 )dialkylamino, (C 1 -C 4 )trialkylamino, monohydroxy(C 1 -C 4 )alkylamino, imidazolinium, and ammonium radicals.
  • N,N’-bis( ⁇ -hydroxyethyl)-N,N’-bis(4’- aminophenyl)-1,3 -diaminopropanol, 1,8-bis(2,5-diaminophenoxy)-3,5-dioxaoctane, or one of their addition salts with an acid are particularly preferred.
  • R 13 represents a hydrogen atom, or a halogen atom such as fluorine, a C 1 -C 4 alkyl, monohydroxy(C 1 -C 4 alkyl), (C 1 -C 4 )alkoxy(C 1 -C 4 )-alkyl, amino(C 1 -C 4 alkyl), or hydroxy(C 1 - C 4 )alkylamino-(C 1 -C 4 alkyl) radical,
  • R 14 represents a hydrogen atom, or a halogen atom such as fluorine, a C 1 -C 4 alkyl, monohydroxy(C 1 -C 4 alkyl), polyhydroxy(C 2 -C 4 alkyl), amino(C 1 -C 4 alkyl), cyano(C 1 -C 4 alkyl), or (C 1 -C 4 )alkoxy(C 1 -C 4 )alkyl radical.
  • para-aminophenols of formula (III) above mention may be more particularly made of para-aminophenol, 4-amino-3 -methylphenol, 4-amino-3 -fluorophenol, 4-amino-3- hydroxymethylphenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino- 2-methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-amino-2-( ⁇ - hydroxyethylaminomethyl)phenol, and their addition salts with an acid.
  • the ortho-aminophenols which can be used as oxidation bases in the context of the present invention are chosen in particular from 2-aminophenol, 2-amino- 1 -hydroxy-5 - methylbenzene, 2-amino- l-hydroxy-6-methylbenzene, 5-acetamido-2-aminophenol, and their addition salts with an acid.
  • heterocyclic bases which can be used as oxidation bases in the dyeing compositions in accordance with the present invention, mention may be more particularly made of pyridine derivatives, pyrimidine derivatives, pyrazole derivatives, and their addition salts with an acid.
  • pyridine derivatives mention may be more particularly made of the compounds described for example in Patents GB 1,026,978 and GB 1,153,196, such as 2,5- diaminopyridine, 2-(4-methoxyphenyl)amino-3-aminopyridine, 2,3-diamino-6- methoxypyridine, 2-( ⁇ -methoxyethyl)amino-3 -amino-6-methoxypyridine, 3 ,4- diaminopyridine, and their addition salts with an acid.
  • 2,5- diaminopyridine 2-(4-methoxyphenyl)amino-3-aminopyridine
  • 2,3-diamino-6- methoxypyridine 2,3-diamino-6- methoxypyridine
  • 2-( ⁇ -methoxyethyl)amino-3 -amino-6-methoxypyridine 2-( ⁇ -methoxyethyl)amino-3 -amino-6-methoxy
  • pyrimidine derivatives mention may be more particularly made of the compounds described, for example, in Patents DE 2 359 399; JP 88-169571; and JP 91-10659, or patent application WO 96/15765, such as 2,4,5,6-tetraaminopyrimidine, 4-hydroxy-2,5,6- triaminopyrimidine, 2-hydroxy-4,5,6-triaminopyrimidine, 2,4-dihydroxy-5,6- diaminopyrimidine, 2,5,6-triamino-pyrimidine, and the pyrazolopyrimidine derivatives such as those mentioned in patent application FR-A-2 750 048 and among which there may be mentioned pyrazolo[1,5-a]-pyrimidine-3,7-diamine; 2,5-dimethyl-pyrazolo[1,5-a]-pyrimidine- 3,7-diamine; pyrazolo[1,5-a]pyrimidine-3, 5 -diamine; 2,7-dimethyl
  • pyrazole derivatives mention may more particularly be made of the compounds described in Patents DE 3 843 892 and DE 4 133 957 and patent applications WO 94/08969, WO 94/08970, FR-A-2 733 749, and DE 195 43 988 such as 4,5-diamino-l-methylpyrazole, 3,4-diaminopyrazole, 4,5-diamino-l-(4’-chlorobenzyl)-pyrazole, 4,5-diamino- 1,3- dimethylpyrazole, 4,5 -diamino-3 -methyl- 1 -phenylpyrazole, 4,5-diamino- 1 -methyl-3- phenylpyrazole, 4-amino- 1 ,3-dimethyl-5-hydrazino-pyrazole, 1 -benzyl-4,5-diamino-3- methyl-pyrazole, 4,5-diamino-3-tert
  • heterocyclic bases which can be used as oxidation bases, mention may more particularly be made of diaminopyrazolopyrazolones and especially 2,3-diamino-6,7-dihydro- lH5H-[pyrazolol,2,a]pyrazol-l-one and the addition salts of these diaminopyrazolopyrazolones with an acid.
  • the coupler may be an oxidation coupler which can be selected from those conventionally known in oxidation dyeing, preferably from the group consisting of meta-phenylenediamines, meta-aminophenols, meta-diphenols, naphthols, heterocyclic couplers, and the acid addition salts thereof.
  • the heterocyclic couplers may be selected from the group consisting of indole derivatives, indoline derivatives, sesamol and its derivatives, pyridine derivatives, pyrazolotriazole derivatives, pyrazolones, indazoles, benzimidazoles, benzothiazoles, benzoxazoles, 1,3- benzodioxoles, quinolines, and their addition salts with an acid.
  • couplers are more particularly chosen from 2,4-diamino-l-( ⁇ - hydroxyethyloxy)benzene, 2-methyl-5 -aminophenol, 5-N-( ⁇ -hydroxyethyl)amino-2- methylphenol, 3 -aminophenol, 2-chloro-3-amino-6-methylphenol, 1,3 -dihydroxybenzene, 1 ,3-dihydroxy-2-methylbenzene, 4-chloro- 1 ,3-dihydroxybenzene, 2-amino-4-( ⁇ - hydroxyethylamino)-!
  • the addition acid salts of the oxidation bases and couplers are chosen in particular from hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates, and acetates.
  • the amount of the (f) dye(s) in the composition according to the present invention may be 0.05% by weight or more, preferably 0.1% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition. It is even more preferable that the amount of the (f) dye(s) in the composition according to the present invention be 1% by weight or more, relative to the total weight of the composition.
  • the amount of the (f) dye(s) in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition. It is even more preferable that the amount of the (f) dye(s) in the composition according to the present invention be 3% by weight or less, relative to the total weight of the composition.
  • the amount of the (f) dye(s) in the composition according to the present invention may be from 0.05% to 15% by weight, preferably from 0.1% to 10% by weight, and more preferably from 0.5% to 5% by weight, relative to the total weight of the composition. It is even more preferable that the amount of the (f) dye(s) in the composition according to the present invention be from 1% to 3% by weight, relative to the total weight of the composition.
  • composition according to the present invention may further comprise at least one nonionic surfactant.
  • Two or more nonionic surfactants may be used in combination.
  • a single type of nonionic surfactant or a combination of different types of nonionic surfactants may be used.
  • nonionic surfactants are compounds well known in and of themselves (see, e.g., in this regard, "Handbook of Surfactants” by M. R. Porter, Blackie & Son publishers (Glasgow and London), 1991, pp. 116-178).
  • they can, for example, be chosen from alcohols, alphadiols, alkylphenols, and esters of fatty acids, these compounds being ethoxylated, propoxylated, or glycerolated and having at least one fatty chain comprising, for example, from 8 to 30 carbon atoms, it being possible for the number of ethylene oxide or propylene oxide groups to range from 2 to 50, and for the number of glycerol groups to range from 1 to 30.
  • Maltose derivatives may also be mentioned.
  • the nonionic surfactants may preferably be chosen from monooxyalkylenated, polyoxyalkylenated, monoglycerolated, or polyglycerolated nonionic surfactants.
  • the oxyalkylene units are more particularly oxyethylene or oxypropylene units, or a combination thereof, and are preferably oxy ethylene units.
  • monooxyalkylenated or polyoxyalkylenated nonionic surfactants examples include: monooxyalkylenated or polyoxyalkylenated (C 8 -C 24 )alkylphenols, saturated or unsaturated, linear or branched, monooxyalkylenated or polyoxyalkylenated C 8 -C 30 alcohols, saturated or unsaturated, linear or branched, monooxyalkylenated or polyoxyalkylenated C 8 - C 30 amides, esters of saturated or unsaturated, linear or branched, C 8 -C 30 acids and of monoalkyleneglycols or polyalkyleneglycols, monooxyalkylenated or polyoxyalkylenated esters of saturated or unsaturated, linear or branched, C 8 -C 30 acids, and of sorbitol, saturated or unsaturated, monooxyalkylenated or polyoxyalkylenated plant oils, and condensates of ethylene oxide and/
  • the surfactants preferably contain a number of moles of ethylene oxide and/or of propylene oxide of between 1 and 100, preferably between 1 and 50, and more preferably between 1 and 20.
  • the monooxyalkylenated nonionic surfactants may be chosen from monooxyethylenated fatty alcohol (ether of ethyleneglycol and fatty alcohol), monooxyethylenated fatty ester (ester of ethyleneglycol and fatty acid), and mixtures thereof.
  • Examples of monooxyalkylenated fatty ester that may be mentioned include glycol distearate.
  • the polyoxyalkylenated nonionic surfactants may be chosen from polyoxyethylenated fatty alcohol (ether of polyethyleneglycol and fatty alcohol), polyoxyethylenated fatty ester (ester of polyethyleneglycol and fatty acid), and mixtures thereof.
  • polyoxyethylenated saturated fatty alcohol examples include the adducts of ethylene oxide with lauryl alcohol, especially those containing from 2 to 20 oxyethylene units and more particularly those containing from 2 to 10 oxyethylene units (Laureth-2 to Laureth-20, as the CTFA names); the adducts of ethylene oxide with behenyl alcohol, especially those containing from 2 to 20 oxyethylene units (Beheneth-2 to Beheneth-20, as the CTFA names); the adducts of ethylene oxide with cetearyl alcohol (mixture of cetyl alcohol and stearyl alcohol), especially those containing from 2 to 20 oxyethylene units (Ceteareth-2 to Ceteareth-20, as the CTFA names); the adducts of ethylene oxide with cetyl alcohol, especially those containing from 2 to 20 oxyethylene units (Ceteth-2 to Ceteth-20, as the CTFA names); the adducts of ethylene oxide with cetyl alcohol, especially those containing from 2 to
  • polyoxyethylenated unsaturated fatty alcohol or C 8 -C 30 alcohols
  • examples of polyoxyethylenated unsaturated fatty alcohol (or C 8 -C 30 alcohols) include the adducts of ethylene oxide with oleyl alcohol, especially those containing from 2 to 20 oxyethylene units and more particularly those containing from 2 to 10 oxyethylene units (Oleth-2 to Oleth-20, as the CTFA names); and mixtures thereof.
  • monoglycerolated or polyglycerolated nonionic surfactants monoglycerolated or polyglycerolated nonionic surfactants, monoglycerolated or polyglycerolated C 8 -C 40 alcohols are preferably used.
  • the monoglycerolated or polyglycerolated C 8 -C 40 alcohols correspond to the following formula:
  • lauryl alcohol containing 4 mol of glycerol (INCI name: Polyglyceryl-4 Lauryl Ether), lauryl alcohol containing 1.5 mol of glycerol, oleyl alcohol containing 4 mol of glycerol (INCI name: Polyglyceryl-4 Oleyl Ether), oleyl alcohol containing 2 mol of glycerol (INCI name: Polyglyceryl-2 Oleyl Ether), cetearyl alcohol containing 2 mol of glycerol, cetearyl alcohol containing 6 mol of glycerol, oleocetyl alcohol containing 6 mol of glycerol, and octadecanol containing 6 mol of glycerol.
  • the alcohol may represent a mixture of alcohols in the same way that the value of m represents a statistical value, which means that, in a commercial product, several species of polyglycerolated fatty alcohol may coexist in the form of a mixture.
  • the monoglycerolated or polyglycerolated alcohols it is preferable to use a C 8 /C 10 alcohol containing 1 mol of glycerol, a C 10 /C 12 alcohol containing 1 mol of glycerol, and a C 12 alcohol containing 1.5 mol of glycerol.
  • the monoglycerolated or polyglycerolated C 8 -C 40 fatty esters may correspond to the following formula:
  • polyoxyethylenated fatty esters examples include the adducts of ethylene oxide with esters of lauric acid, palmitic acid, stearic acid or behenic acid, and mixtures thereof, especially those containing from 2 to 20 oxyethylene units, such as PEG-2 to PEG-20 laurate (CTFA names: PEG-2 laurate to PEG-20 laurate); PEG-2 to PEG-20 palmitate (CTFA names: PEG-2 palmitate to PEG-20 palmitate); PEG-2 to PEG-20 stearate (CTFA names: PEG-2 stearate to PEG-20 stearate); PEG-2 to PEG-20 palmitostearate; PEG-2 to PEG-20 behenate (CTFA names: PEG-2 behenate to PEG-20 behenate); and mixtures thereof.
  • PEG-2 to PEG-20 palmitate CTFA names: PEG-2 palmitate to PEG-20 palmitate
  • the polyoxyethylenated fatty esters may also be selected from diesters of polyethyleneglycol and fatty acids, such as saturated or unsaturated, linear or branched, C 8 -C 30 acids, which may have one or more substituents such as a hydroxyl group and hydroxyl groups.
  • the fatty acids may be in the form of a polymer of fatty acids each of which has one or more hydroxyl groups.
  • Such a polymer may be formed by the esterification of the carboxyl group of one fatty acid having one or more hydroxyl groups and the hydroxyl group of another fatty acid having one or more hydroxyl groups.
  • An example of such a polymer includes polyhydroxystearate.
  • the polyoxyethylenated fatty ester mention may be made of PEG-30 dipolyhydroxy stearate.
  • the nonionic surfactant may be selected from esters of polyols with fatty acids with a saturated or unsaturated chain containing for example from 8 to 24 carbon atoms, preferably 12 to 22 carbon atoms, and polyoxyalkylenated derivatives thereof, preferably containing from 10 to 200, and more preferably from 10 to 100 oxyalkylene units, such as glyceryl esters of a C 8 -C 24 , preferably C 12 -C 22 , fatty acid or acids, and polyoxyalkylenated derivatives thereof, preferably containing from 10 to 200, and more preferably from 10 to 100 oxyalkylene units; sorbitol esters of a C 8 - C 24 , preferably C 12 -C 22 , fatty acid or acids, and polyoxyalkylenated derivatives thereof, preferably containing from 10 to 200, and more preferably from 10 to 100 oxyalkylene units; sugar (sucrose, maltose
  • glyceryl esters of fatty acids glyceryl stearate (glyceryl mono-, di-, and/or tristearate) (CTFAname: glyceryl stearate), glyceryl laurate or glyceryl ricinoleate, and mixtures thereof can be cited, and as polyoxyalkylenated derivatives thereof, mono-, di-, or triester of fatty acids with a polyoxyalkylenated glycerol (mono-, di-, or triester of fatty acids with a polyalkylene glycol ether of glycerol), preferably polyoxyethylenated glyceryl stearate (mono-, di-, and/or tristearate) such as PEG-20 glyceryl stearate (mono-, di-, and/or tristearate) and polyoxyethylenated glyceryl cocoate (mono-, di-, and/or tristearate)
  • surfactants such as the product containing glyceryl stearate and PEG- 100 stearate, marketed under the name ARLACEL 165 by Uniqema, and the product containing glyceryl stearate (glyceryl mono- and distearate) and potassium stearate marketed under the name TEGIN by Goldschmidt (CTFAname: glyceryl stearate SE), can also be used.
  • the sorbitol esters of C 8 -C 24 fatty acids and polyoxyalkylenated derivatives thereof can be selected from sorbitan palmitate, sorbitan isostearate, sorbitan trioleate, sorbitan sesquioleate and esters of fatty acids and alkoxylated sorbitan containing for example from 20 to 100 EO, such as sorbitan monostearate (CTFA name: sorbitan stearate), sold by the company ICI under the name Span 60, sorbitan monopalmitate (CTFA name: sorbitan palmitate), sold by the company ICI under the name Span 40, and sorbitan tristearate 20 EO (CTFA name: polysorbate 65), sold by the company ICI under the name Tween 65, polyethylene sorbitan trioleate (polysorbate 85), or the compounds marketed under the trade names Tween 20 (polysorbate 20) or Tween 80 (polysorbate 80) by Uniqema.
  • esters of fatty acids and glucose or alkylglucose glucose palmitate, alkylglucose sesquistearates such as methylglucose sesquistearate, alkylglucose palmitates such as methylglucose or ethylglucose palmitate, methylglucoside fatty esters, the diester of methylglucoside and oleic acid (CTFAname: Methyl glucose dioleate), the mixed ester of methylglucoside and the mixture of oleic acid/hydroxystearic acid (CTFA name: Methyl glucose dioleate/hydroxystearate), the ester of methylglucoside and isostearic acid (CTFA name: Methyl glucose isostearate), the ester of methylglucoside and lauric acid (CTFAname: Methyl glucose laurate), the mixture of monoester and diester of methylglucoside and isostearic acid (CTFAname: Methyl
  • ethoxylated ethers of fatty acids and glucose or alkylglucose ethoxylated ethers of fatty acids and methylglucose, and in particular the polyethylene glycol ether of the diester of methylglucose and stearic acid with about 20 moles of ethylene oxide (CTFA name: PEG-20 methyl glucose distearate) such as the product marketed under the name Glucam E-20 distearate by AMERCHOL, the polyethylene glycol ether of the mixture of monoester and diester of methyl-glucose and stearic acid with about 20 moles of ethylene oxide (CTFA name: PEG-20 methyl glucose sesquistearate) and in particular the product marketed under the name Glucamate SSE-20 by AMERCHOL and that marketed under the name Grillocose PSE-20 by GOLDSCHMIDT, and mixtures thereof, can for example be cited.
  • sucrose esters saccharose palmito-stearate, saccharose stearate, and saccharose monolaurate can for example be cited.
  • alkylpolyglucosides can be used, and for example decylglucoside such as the product marketed under the name MYDOL 10 by Kao Chemicals, the product marketed under the name PLANTAREN 2000 by Henkel, and the product marketed under the name ORAMIX NS 10 by Seppic, caprylyl/capryl glucoside such as the product marketed under the name ORAMIX CG 110 by Seppic or under the name LUTENSOL GD 70 by BASF, lauryl glucoside such as the products marketed under the names PLANTAREN 1200 N and PLANTACARE 1200 by Henkel, coco-glucoside such as the product marketed under the name PLANTACARE 818/UP by Henkel, cetostearyl glucoside possibly mixed with cetostearyl alcohol, marketed for example under the name MONTANOV 68 by Seppic, under the name TEGO-CARE CG90 by Goldschmidt and under the name EMULGADE KE330
  • the nonionic surfactant according to the present invention may preferably contain alkenyl or a branched C 12 -C 22 acyl chain such as an oleyl or isostearyl group. More preferably, the nonionic surfactant according to the present invention is PEG-20 glyceryl triisostearate.
  • the nonionic surfactant may be selected from copolymers of ethylene oxide and of propylene oxide, in particular copolymers of the following formula:
  • the nonionic surfactant may be selected from silicone surfactants.
  • silicone surfactants Non-limiting mention may be made of those disclosed in documents US-A-5364633 and US-A-5411744.
  • the silicone surfactant may preferably be a compound of formula (I): in which: R 1 , R 2 , and R 3 , independently of each other, represent a C 1 -C 6 alkyl radical or a radical - (CH 2 ) x -(OCH 2 CH 2 ) y -(OCH 2 CH 2 CH 2 ) z -OR 4 , at least one radical R 1 , R 2 , or R 3 not being an alkyl radical; R 4 being a hydrogen, an alkyl radical, or an acyl radical;
  • A is an integer ranging from 0 to 200;
  • B is an integer ranging from 0 to 50; with the proviso that A and B are not simultaneously equal to zero; x is an integer ranging from 1 to 6; y is an integer ranging from 1 to 30; z is an integer ranging from 0 to 5.
  • the alkyl radical is a methyl radical
  • x is an integer ranging from 2 to 6
  • y is an integer ranging from 4 to 30.
  • silicone surfactants of formula (I) mention may be made of the compounds of formula (II): in which A is an integer ranging from 20 to 105, B is an integer ranging from 2 to 10, and y is an integer ranging from 10 to 20.
  • silicone surfactants of formula (I) mention may also be made of the compounds of formula (III):
  • Compounds of the present invention which may be used are those sold by the company Dow Coming under the names DC 5329, DC 7439-146, DC 2-5695, and Q4-3667.
  • the compounds DC 5329, DC 7439-146, and DC 2-5695 are compounds of formula (II) in which, respectively, A is 22, B is 2, and y is 12; A is 103, B is 10, and y is 12; A is 27, B is 3, and y is 12.
  • the compound Q4-3667 is a compound of formula (III) in which A is 15 and y is 13.
  • the amount of the nonionic surfactant(s) in the composition according to the present invention may be 0.01% by weight or more, preferably 0.1% by weight or more, and more preferably 1% by weight or more, relative to the total weight of the composition.
  • the amount of the nonionic surfactant(s) in the composition according to the present invention may be 20% by weight or less, preferably 15% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.
  • the amount of the nonionic surfactant(s) in the composition according to the present invention may be from 0.01% to 20% by weight, preferably from 0.1% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.
  • composition according to the present invention may comprise water.
  • the water can be in the aqueous phase of the composition according to the present invention if the composition is in the form of an emulsion.
  • the aqueous phase of the composition according to the present invention can be dispersed or inner phases in the W/O emulsion or a continuous or outer phase in the O/W emulsion.
  • the amount of the water in the composition according to the present invention may be 50% by weight or more, preferably 60% by weight or more, and more preferably 70% by weight or more, relative to the total weight of the composition.
  • the amount of the water in the composition according to the present invention may be 95% by weight or less, preferably 93% by weight or less, and more preferably 90% by weight or less, relative to the total weight of the composition.
  • the amount of the water may be from 50% to 95% by weight, preferably from 60% to 93% by weight, and more preferably from 70% to 90% by weight, relative to the total weight of the composition.
  • the composition according to the present invention includes water, the composition has a measurable pH.
  • the pH of the composition according to the present invention may be more than 7, preferably 7.5 or more, and more preferably 8 or more.
  • the composition according to the present invention is alkaline. It is preferable that the pH of the composition according to the present invention be 12 or less, more preferably 10 or less, and even more preferably 9 or less.
  • the pH may be adjusted to the desired value using the (d) alkaline agent(s) and/or at least one acidifying agent.
  • the acidifying agents can be, for example, mineral or organic acids, for instance hydrochloric acid, phosphoric acid, carboxylic acids, for instance tartaric acid, citric acid, and lactic acid, or sulphonic acids.
  • the acidifying agent may be present in an amount ranging from less than 1% by weight, preferably from 0.5% by weight or less, and more preferably 0.1% by weight or less, relative to the total weight of the composition.
  • composition according to the present invention may also include at least one optional or additional ingredient.
  • the amount of the optional or additional ingredient(s) is not limited, but may be from 0.01% to 30% by weight, preferably from 0.1% to 20% by weighty and more preferably from 1% to 10% by weight, relative to the total weight of the composition according to the present invention.
  • the optional or additional ingredient(s) may be selected from the group consisting of oils; cationic or amphoteric surfactants; UV filters; peptides and derivatives thereof; protein hydrolyzates; swelling agents and penetrating agents; agents for combating hair loss; antidandruff agents; suspending agents; sequestering agents; opacifying agents; vitamins or provitamins; fragrances; preserving agents, stabilizers; and mixtures thereof.
  • the aqueous phase of the composition according to the present invention may include, in addition to water, one or several cosmetically acceptable organic solvents, which may be alcohols: in particular monovalent alcohols such as ethyl alcohol, isopropyl alcohol, benzyl alcohol and phenylethyl alcohol; sugars; sugar alcohols; and ethers such as ethylene glycol monomethyl, monoethyl and monobutyl ethers, propylene glycol monomethyl, monoethyl and monobutyl ether, and butylene glycol monomethyl, monoethyl and monobutyl ethers.
  • alcohols in particular monovalent alcohols such as ethyl alcohol, isopropyl alcohol, benzyl alcohol and phenylethyl alcohol; sugars; sugar alcohols; and ethers such as ethylene glycol monomethyl, monoethyl and monobutyl ethers, propylene glycol monomethyl, monoethyl and monobutyl ether, and butylene glyco
  • the organic solvent(s) may then be present in a concentration of from 0.01% to 30% by weight, preferably from 0.1% to 20% by weight, and more preferably from 1% to 15% by weight, relative to the total weight of the composition.
  • composition according to the present invention can be prepared by mixing the abovedescribed essential and optional ingredients in a conventional manner.
  • the composition according to the present invention can be prepared by a process comprising the step of mixing
  • the amount of the (a) compound(s) in the composition is 0.1% by weight or more, preferably 0.3% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition, and the (d) alkaline agent comprises at least one selected from alkanolamines, derivatives thereof, and salts thereof.
  • composition according to the present invention is preferably used for cosmetic purposes of keratin fibers.
  • the composition according to the present invention is preferably a cosmetic composition for keratin fibers, in particular for bleaching or coloring keratin fibers.
  • keratin fibers mention may be made of hair, eyebrows and eyelashes.
  • composition according to the present invention which includes no dye can be used as a mixture with another composition comprising (g) at least one oxidizing agent explained below.
  • composition according to the present invention is used for dyeing keratin fibers such as hair
  • the composition according to the present invention which further includes (f) at least one dye can be used as a mixture with another composition comprising (g) at least one oxidizing agent.
  • the above composition including the (g) at least one oxidizing agent can function as a developer.
  • the developer may include at least one thickening agent as explained above.
  • the developer may be in the form of a gel.
  • the thickening agent in the developer may be selected from polysaccharides.
  • ready-to-use composition is defined herein as a composition to be applied immediately to keratin fibers such as hair.
  • the ready-to-use composition can also be a cosmetic composition for keratin fibers, in particular for bleaching or coloring keratin fibers, such as hair.
  • the mixing ratio of the composition according to the present invention and another composition is not limited.
  • the mixing ratio may be 1 :3 to 3 : 1 , preferably 1 :2 to 2: 1 , and more preferably 1 : 1 , as the weight ratio thereof.
  • the developer which can be combined with the composition according to the present invention includes at least one (g) oxidizing agent. If two or more (g) oxidizing agents are used, they may be the same or different.
  • the (g) oxidizing agent may be chosen from hydrogen peroxide, peroxygenated salts, and compounds capable of producing hydrogen peroxide by hydrolysis.
  • the (g) oxidizing agent can be chosen from hydrogen peroxide, urea peroxide, alkali metal bromates and ferricyanides and persalts such as perborates and persulphates.
  • At least one oxidase enzyme chosen, for example, from laccases, peroxidases and 2-electron oxidoreductases such as uricase may also be used as the (g) oxidizing agent, where appropriate in the presence of the respective donor or co-factor thereof.
  • the (g) oxidizing agent is hydrogen peroxide
  • the developer is an aqueous hydrogen peroxide solution.
  • the developer when the developer is an aqueous hydrogen peroxide solution, the developer may comprise at least one hydrogen peroxide stabilizer, which may be chosen, for example, from alkali metal and alkaline-earth metal pyrophosphates, alkali metal and alkaline-earth metal stannates, phenacetin and salts of acids and of oxyquinoline, for example, oxyquinoline sulphate.
  • at least one stannate optionally in combination with at least one pyrophosphate is used.
  • the concentration of the hydrogen peroxide stabilizer may range from 0.0001% to 5% by weight such as from 0.01% to 2% by weight, relative to the total weight of the developer.
  • the concentration ratio of the hydrogen peroxide to the possible at least one stabilizer may range from 0.05: 1 to 1,000:1, such as from 0.1 :1 to 500:1 and further such as from 1:1 to 200:1.
  • the amount of the (g) oxidizing agent(s) in the developer may be from 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably from 1% by weight or more, relative to the total weight of the composition.
  • the amount of the (g) oxidizing agent(s) in the developer may be from 20% by weight or less, preferably from 15% by weight or less, and more preferably from 10% by weight or less, relative to the total weight of the composition.
  • the amount of the (g) oxidizing agent(s) in the developer may be from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.
  • the present invention also relates to a kit for keratin fibers, preferably a cosmetic kit, and more preferably a cosmetic kit for bleaching or dyeing keratin fibers, in particular hair, comprising: a first compartment comprising a first composition comprising
  • the amount of the (a) compound(s) in the first composition is 0.1% by weight or more, preferably 0.3% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition, and the (d) alkaline agent comprises at least one selected from alkanolamines, derivatives thereof, and salts thereof, and a second compartment comprising a second composition comprising
  • the first composition in the kit according to the present invention may further comprise (f) at least one dye as explained above.
  • kit by, for example, dispensing or discharging the first composition from the first compartment, while dispensing or discharging the second composition from the second compartment, followed by treating keratin fibers such as hair with the mixture of the first and second compositions.
  • the mixture of the first and second compositions may be regarded as the ready-to-use composition as explained above.
  • the mixing ratio of the first and second compositions is not limited.
  • the mixing ratio may be 1 :3 to 3 : 1 , preferably 1 :2 to 2: 1 , and more preferably 1 : 1 , as the weight ratio thereof.
  • the present invention also relates to a process, preferably a cosmetic process, and more preferably a cosmetic process for bleaching or dyeing keratin fibers, in particular hair, comprising the steps of:
  • the amount of the (a) compound(s) in the first composition is 0.1% by weight or more, preferably 0.3% by weight or more, and more preferably 0.5% by weight or more, relative to the total weight of the composition, and the (d) alkaline agent comprises at least one selected from alkanolamines, derivatives thereof, and salts thereof, and the second composition comprises (g) at least one oxidizing agent; and
  • the first composition used in the process according to the present invention may further comprise (f) at least one dye as explained above.
  • the mixture of the first and second compositions may be regarded as the ready-to-use composition as explained above.
  • the mixing ratio of the first and second compositions is not limited.
  • the mixing ratio may be 1 :3 to 3 : 1 , preferably 1 :2 to 2: 1 , and more preferably 1 : 1 , as the weight ratio thereof.
  • the process according to the present invention further comprise a step of washing, with or without drying, keratin fibers before and/or after the step of applying the mixture of the first and second compositions, as a ready-to-use composition, onto the keratin fibers.
  • the step of applying the ready-to-use composition onto the keratin fibers can be performed by a conventional applicator such as a brush, or even by the hands.
  • the keratin fibers to which the ready-to-use composition has been applied can be left for an appropriate time which is required to treat the keratin fibers.
  • the time length for the treatment is not limited, but it may be from 1 minute to 1 hour, preferably 1 minute to 30 minutes, and more preferably 20 minutes to 30 minutes.
  • the time for dyeing the keratin fibers may be from 10 to 30 minutes, preferably 20 to 30 minutes.
  • compositions according to Examples 1-9 and Comparative Examples 1-9, shown in Tables 1 and 2, as a gel were prepared by mixing the ingredients shown in Tables 1 and 2.
  • the numerical values for the amounts of the ingredients shown in Tables 1 and 2 are all based on “% by weight” as raw materials. Table 1
  • compositions among those according to Examples 1-9 and Comparative Examples 1-3, and 7, which were evaluated as “good” with regard to “Production” was mixed with a developer, in the form of a gel, with the formulation shown in Table 3 below.
  • the mixing weight ratio of the composition and the developer was 1 :1.
  • the aspect of the mixture thus obtained was visually observed just after the preparation of the mixture, and evaluated in accordance with the following criteria.
  • compositions among those according to Examples 1-9 and Comparative Examples 1-3, and 7, which were evaluated as “good” with regard to “Production” was mixed with a developer, in the form of a gel, with the formulation shown in Table 3 above.
  • the mixing weight ratio of the composition and the developer was 1 :1.
  • 16.2 g of the mixture thus obtained was applied onto 5.4 g (27 cm) of a bleached Japanese hair swatch.
  • the hair swatch was left for 20 minutes at 27°C.
  • the hair swatch was then washed with water, followed by shampooing, rinsing and drying.
  • the smoothness and softness of the hair swatch was evaluated by 5 panelists during rinsing and after rinsing off (wet condition) in accordance with the following criteria.
  • compositions according to Examples 1-9 were in the form of a homogeneous gel, while the compositions according to Comparative Examples 4-6, 8 and 9 were not.
  • compositions according to Comparative Examples 4-6, 8 and 9 were withdrawn from further comparative tests.
  • compositions according to Examples 1-9, as well as Comparative Examples 1-3 and 7, were able to avoid causing aggregation when they were mixed with a developer.
  • compositions according to Examples 1-9 were able to provide keratin fibers with good texture such as a smooth and soft feeling to the touch.
  • compositions according to Comparative Examples 1-3, and 7 could not.
  • compositions according to Examples 1-9 were able to be used for bleaching or dyeing keratin fibers.
  • compositions according to Examples 1-9 were in the form of a homogeneous gel and could provide keratin fibers with good texture such as a smooth and soft feeling to touch, without causing aggregation.

Abstract

La présente invention concerne une composition pour fibres de kératine, comprenant : (a) au moins un composé choisi parmi les acides aminés, leurs dérivés et leurs sels ; (b) au moins un agent épaississant ; (c) au moins un polyol ; et (d) au moins un agent alcalin. La quantité dudit composé (a) est de 0,1% en poids ou plus, de préférence de 0,3% en poids ou plus, et plus préférablement de 0,5% en poids ou plus, par rapport au poids total de la composition, et l'agent alcalin (d) comprend au moins un composé choisi parmi les alcanolamines, leurs dérivés et leurs sels. La composition selon la présente invention peut être utilisée pour la teinture oxydative ou le blanchiment de fibres de kératine telles que les cheveux.
PCT/JP2021/036364 2020-10-07 2021-09-24 Composition pour fibres de kératine WO2022075204A1 (fr)

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JP2020169798A JP2022061701A (ja) 2020-10-07 2020-10-07 ケラチン繊維のための組成物
JP2020-169798 2020-10-07
FR2011751A FR3116199B1 (fr) 2020-11-17 2020-11-17 Composition pour fibres kératineuses
FR2011751 2020-11-17

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DATABASE GNPD [online] MINTEL; 31 January 2018 (2018-01-31), ANONYMOUS: "Powerful Color Ammonia-Free Hair Colorant", XP055832858, retrieved from https://www.gnpd.com/sinatra/recordpage/5414343/ Database accession no. 5414343 *
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