Crosslinked polyamino-polyamide in hair conditioning compositions

Claim 1

A cosmetic composition for the hair comprising an aqueous or hydroalcoholic solution of 0.1-5 percent by weight of said composition of at least one water soluble crosslinked polymer selected from the group consisting of a crosslinked polymer obtained by crosslinking a polyamino-polyamide with a crosslinking agent, said polyamino-polyamide being prepared by the polycondensation of (a) an acidic compound selected from the group consisting of (i) an organic dicarboxylic acid, (ii) ethylenically unsaturated aliphatic mono- or di-carboxylic acid, (iii) ester of said acids of (i) and (ii), and (iv) mixtures of (i), (ii) and (iii) on (b) a polyamine selected from the group consisting of bis-primary and mono- or bis-secondary polyalkylene polyamines, said polyamine (b) being replaceable by a member selected from the group consisting of (1) 0-20 mole percent hexamethylene diamine, (2) 0-40 mole percent bis-primary amine and (3) 0-40 mole percent bis-secondary amine, said crosslinking agent being selected from the group consisting of: (I) simple bi-functional compounds selected from the group consisting of (1) bis-halohydrins resulting from the reaction of an epihalohydrin with a primary amine, a bis-secondary diamine, a bis-phenol or a bis-mercaptan, (2) a bis-azetidinium, (3) a bis-haloacyl diamine, and (4) an alkyl bis-halide of the formula ##STR45## wherein X=Cl or Br, Z represents ##STR46## x=1 to 3, m=0 or 1, n=0 or 1, m and n not representing 1 at the same time, with the proviso that when m=1, x=1, A 1 represents a saturated divalent hydrocarbon radical having 2, 3, 4 or 6 carbon atoms or 2-hydroxy propylene; (II) an oligomer obtained by the reaction of compound (a) selected from the group consisting of compounds (1), (2), (3) and (4), each defined above, (5) an epihalohydrin, (6) a bis-epoxide and (7) a bis-unsaturated derivative, with a compound (b) which is a bi-functional compound reactive with said compound (a), said compound (b) being selected from the group consisting of a primary amine, a bis-secondary diamine, a bis-mercaptan and a bis-phenol, the molar ratio of (b):(a) being between 0.1 and 0.9; (II-bis) an oligomer obtained by the reaction of compound (a 1 ) selected from the group consisting of compounds (1), (3), (4) and (6) each defined above, with a bis-tertiary diamine (b 1 ) which is a bi-functional compound reactive with said compound (a 1 ), the molar ratio of (b 1 ):(a 1 ) being between 0.1 and 0.9; (III) the quaternization product of compound (a 2 ) selected from the group consisting of (1) a bis-halohydrin resulting from the reaction of an epihalohydrin with piperazine, a bis-phenol or a bis-mercaptan, (2) a bis-azetidinium, (3) a bis-haloacyl diamine, (4) an alkyl bis-halide of formula F 1 above, (6) a bis-epoxide, (7) a bis-unsaturated derivative, (8) an oligomer II obtained by the reaction of a compound (a 3 ) selected from the group consisting of compounds (1), (2), (3), (4), (6), and (7) each defined above with a compound (b 3 ) which is a bi-functional compound reactive with said compound (a 3 ), said compound (b 3 ) being selected from the group consisting of a primary amine, a bis-secondary diamine, a bis-mercaptan and a bis-phenol, the molar ratio of (b 3 ):(a 3 ) being between 0.1 and 0.9, (9) an oligomer obtained by the reaction of an epihalohydrin (a 4 ) with a compound (b 4 ) which is a bi-functional compound reactive with said compound (a 4 ), said compound (b 4 ) being selected from the group consisting of piperazine, a bis-mercaptan, a bis-phenol and a bis-epoxide of piperazine, the molar ratio of (b 4 ):(a 4 ) being between 0.1 and 0.9, and (10) an oligomer obtained by the reaction of a compound (a 5 ) selected from the group consisting of (1) a bis-halohydrin resulting from the reaction of an epihalohydrin with piperazine, a bis-phenol or a bis-mercaptan, (2) a bis-haloacyl diamine, (3) an alkyl bis-halide of formula F 1 above and (4) a bis-epoxide, with a compound (b 5 ), said compound (b 5 ) being a bis-tertiary diamine, the molar ratio (b 5 ):(a 5 ) being between 0.1 and 0.9; said product having a tertiary amine group alkylated with an alkylating agent (c) selected from the group consisting of methyl or ethyl chloride, bromide, iodide, sulfate, mesylate and tosylate, benzyl chloride or bromide, ethylene oxide, propylene oxide and glycidol; said crosslinking agent being employed in an amount of 0.025 to 0.35 mole per amine group of said polyamino-polyamide, said crosslinked polymer in said composition being perfectly soluble in a 10 weight percent solution thereof in water without gel formation, said 10 weight percent solution having a viscosity at 25° C. greater than 3 centipoises and said crosslinked polymer being characterized by having no reactive group, having no alkylating property and being chemically stable.