Hair styling compositions containing non-silicone and...

A - Human Necessities – 61 – K

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A61K 8/896 (2006.01) A61K 8/04 (2006.01) A61K 8/72 (2006.01) A61K 8/81 (2006.01) A61Q 5/06 (2006.01)

Patent

CA 2235813

A hair styling composition comprising: (a) from about 0.1% to about 15%, by weight, of an adhesive polymer, said polymer being characterized by an organic polymeric backbone wherein said polymer is substantially free of silicone; (b) from about 0.1% to about 15 %, by weight, of a silicone grafted adhesive polymer, said polymer being characterized by an organic polymeric backbone, compatible with said adhesive polymer of (a) wherein said silicone grafted adhesive polymer has silicone macromers grafted to said backbone and wherein the number average molecular weight of said silicone macromers is greater than about 500; (c) from about 0.1% to about 15%, by weight, of a hydrocarbon solvent selected from the group consisting of C10-C14 branched chain hydrocarbons, and mixtures thereof having a boiling point of from about 105 °C to about 260 °C; (d) a polar solvent phase comprising from about 80% to about 99%, by weight of the composition, of a polar solvent selected from the group consisting of water and C2-C3 monohydric alcohols, and mixtures thereof, wherein said composition contains no more than about 15%, by weight, of C3 monohydric alcohol; wherein said organic polymer backbone is soluble in said polar solvent phase, and said silicone macromers of said hair setting polymer are soluble in said hydrocarbon solvent.

Cette invention concerne une composition coiffante comprenant les éléments suivants: (a) environ de 0,1 à 15 % en poids d'un polymère adhésif caractérisé par une structure polymère organique et ne comprenant quasiment pas de silicone; (b) environ 0,1 à 15 % en poids d'un polymère adhésif greffé siliconé, caractérisé par un squelette polymère organique, compatible avec le polymère adhésif (a), et comportant des macromères siliconés greffés au squelette, lesquels macromères possèdent un poids moléculaire moyen en nombre supérieur à environ 500; (c) environ 0,1 à 15 % en poids d'un solvant hydrocarbure choisi dans le groupe des hydrocarbures à chaîne ramifiée C10-C14, ou encore des mélanges de ces derniers possédant un point d'ébullition variant entre environ 105 DEG et 260 DEG C; (d) une phase de solvant polaire représentant environ de 80 à 99 % du poids de la solution et comprenant un solvant polaire choisi dans le groupe comprenant de l'eau et des alcools monovalents C2-C3, ou encore des mélanges de ces derniers. Cette composition ne contient pas plus de 15 % en poids d'alcool monovalent C3. Le squelette polymère organique est soluble dans la phase de solvant polaire, tandis que les macromères du polymère fixant les cheveux sont solubles dans le solvant hydrocarbure.

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