Washing composition containing alkylamido ether sulphates, anionic surfactants and cationic polymers

Composition according to any one of the preceding claims, characterized in that the cationic polymer with a cationic charge density of greater than or equal to 1 milliequivalent per gram is chosen from:

• quaternized or non-quaternized vinyl-pyrrolidone/dialkylaminoalkyl (meth)acrylate copolymers;
• polymers consisting of piperazinyl units and of divalent alkylene or hydroxyalkylene radicals containing straight or branched chains, optionally interrupted by oxygen, sulphur or nitrogen atoms or by aromatic or heterocyclic rings, as well as the oxidation and/or quaternization products of these polymers;
• water-soluble polyamino amides prepared in particular by polycondensation of an acidic compound with a polyamine;
• these polyamino amides can be crosslinked with an epihalohydrin, a diepoxide, a dianhydride, an unsaturated dianhydride, a bis-unsaturated derivative, a bis-halohydrin, a bis-azetidinium, a bis-haloacyldiamine, a bis-alkyl halide or alternatively with an oligomer resulting from the reaction of a difunctional compound which is reactive with a bis-halohydrin, a bis-azetidinium, a bis-haloacyldiamine, a bis-alkyl halide, an epihalohydrin, a diepoxide or a bis-unsaturated derivative;
• the crosslinking agent is used in proportions ranging from 0.025 to 0.35 mol per amine group of the polyamino amide;
• these polyamino amides can be alkylated or, if they contain one or more tertiary amine functions, they can be quaternized;
• the polyamino amide derivatives resulting from the condensation of polyalkylene polyamines with polycarboxylic acids followed by alkylation with difunctional agents;
• the polymers obtained by reaction of a polyalkylene polyamine containing two primary amine groups and at least one secondary amine group with a dicarboxylic acid chosen from diglycolic acid and saturated aliphatic dicarboxylic, acids having from 3 to 8 carbon atoms;
• the molar ratio between the polyalkylene polyamine and the dicarboxylic acid is between 0.8:1 and 1.4:1;
• the polyamino amide resulting therefrom is reacted with epichlorohydrin in a molar ratio of epichlorohydrin relative to the secondary amine group of the polyamino amide of between 0.5:1 and 1.8:1;
• homopolymers or copolymers containing units corresponding to formulae (VI) or (VI′):
• 6
• in which formulae k and t are equal to 0 or 1, the sum k+t being equal to 1;
• R12 denotes a hydrogen atom or a methyl radical;
• R10 and R11, independently of each other, denote an alkyl group having from 1 to 22 carbon atoms, a hydroxyalkyl group in which the alkyl group preferably has 1 to 5 carbon atoms, or a lower amido (C1-C4) alkyl group, or R10 and R11 can denote, together with the nitrogen atom to which they are attached, heterocyclic groups such as piperidyl or morpholinyl;
• Y− is an anion such as bromide, chloride, acetate, borate, citrate, tartrate, bisulphate, bisulphite, sulphate or phosphate;
• the quaternary diammonium polymer containing repeating units corresponding to the formula:
• 7
• in which formula (VII):
• R13, R14, R15 and R16, which may be identical or different, represent aliphatic, alicyclic or arylaliphatic radicals containing from 1 to 20 carbon atoms or lower hydroxyalkylaliphatic radicals, or alternatively R13, R14, R15 and R16, together or separately, constitute, with the nitrogen atoms to which they are attached, heterocycles optionally containing a second heteroatom other than nitrogen, or alternatively R13, R14, R15 and R16 represent a linear or branched C1-C6 alkyl radical substituted with a nitrile, ester, acyl or amide group or a group —CO—O—R17—D or —CO—NH—R17—D where R17 is an alkylene radical and D is a quaternary ammonium group;
• A1 and B1 represent polymethylene groups containing from 2 to 20 carbon atoms which may be linear or branched, saturated or unsaturated, and which may contain, linked to or intercalated in the main chain, one or more aromatic rings or one or more oxygen or sulphur atoms or sulphoxide, sulphone, disulphide, amino, alkylamino, hydroxyl, quaternary ammonium, ureido, amide or ester groups, and X− denotes an anion derived from an inorganic or organic acid;
• A1, R13 and R15 can form, with the two nitrogen atoms to which they are attached, a piperazine ring;
• in addition, if A1 denotes a linear or branched, saturated or unsaturated alkylene or hydroxyalkylene radical, B1 can also denote a group —(CH2)n—CO—D—OC—(CH2)n— in which D denotes:
• a) a glycol residue of formula:
• —O—Z—O—, where Z denotes a linear or branched hydrocarbon radical or a group corresponding to one of the following formulae:
• —(CH2—CH2—O)x—CH2—CH2——[CH2—CH(CH3)—O] y—CH2—CH(CH3)—
• where x and y denote an integer from 1 to 4, representing a defined and unique degree of polymerization or any number from 1 to 4 representing an average degree of polymerization;
• b) a bis-secondary diamine residue such as a piperazine derivative;
• c) a bis-primary diamine residue of formula:
• —NH—Y—NH—, where Y denotes a linear or branched hydrocarbon radical, or alternatively the divalent radical
• —CH2—CH2—S—S—CH2—CH2—;
• c) a ureylene group of formula:
• —NH—CO—NH—;
• quaternary polyammonium polymers consisting of units of formula (VIII):
• —CH2—CH2 —S—S—CH2—CH2—;
• in which formula:
• R18, R19, R20 and R21, which may be identical or different, represent a hydrogen atom or a methyl, ethyl, propyl, β-hydroxyethyl, β-hydroxypropyl or —CH2CH2(OCH2CH2)pOH radical,
• where p is equal to 0 or to an integer between 1 and 6, with the proviso that R18, R19, R20 and R21 do not simultaneously represent a hydrogen atom,
• r and s, which may be identical or different, are integers between 1 and 6,
• q is equal to 0 or to an integer between 1 and 34,
• X denotes a halogen atom,
• A denotes a dihalide radical or preferably represents —CH2—CH2—O—CH2—CH2—;
• homopolymers or copolymers derived from acrylic acid or methacrylic acid and comprising units:
• 8
• in which the groups R22 independently denote H or CH3,
• the groups A2 independently denote a linear or branched alkyl group of 1 to 6 carbon atoms or a hydroxyalkyl group of 1 to 4 carbon atoms,
• the groups R23, R24 and R25, which may be identical or different, independently denote an alkyl group of 1 to 18 carbon atoms or a benzyl group,
• the groups R26 and R27 represent a hydrogen atom or an alkyl group of 1 to 6 carbon atoms,
• X2− denotes an anion, for example methosulphate or halide such as chloride or bromide;
• quaternary polymers of vinylpyrrolidone and of vinyl imidazole;
• crosslinked polymers of methacryloyloxy (C1-C4) alkyltri (C1-C4) alkylammonium salts;
• polyalkyleneimines, polymers conta ining vinylpyridine or vinylpyridinium units, condensates of polyamines and of epichiorohydrin, quaternary polyureylenes and chitin derivatives.