Long-lasting styling mousse

Abstract

The invention relates to a styling composition, packaged in an aerosol device, comprising a liquid phase comprising, in a cosmetically acceptable liquid medium, at least one fixing film-forming polymer chosen from branched block copolymers comprising, as main monomers, at least one C 1-20 alkyl acrylate and/or at least one N-mono- or N,N-di(C 2-12 alkyl)(meth)acrylamide, and acrylic acid and/or methacrylic acid, and at least one propellant.

1 . Composition in the form of a styling mousse, packaged in an aerosol device, comprising 
 a liquid phase comprising, in a cosmetically acceptable liquid medium, (a) at least one fixing film-forming polymer chosen from branched block copolymers comprising, as main monomers, at least one C 1-20  alkyl acrylate and/or at least one N-mono-or N,N-di(C 2-12  alkyl) (meth)acrylamide, and acrylic acid and/or methacrylic acid, and (b) at least one other fixing film-forming polymer other than the branched block copolymers (a), and    at least one propellant.    
     
     
         2 . Styling composition according to  claim 1 , characterized in that the fixing film-forming polymer (a) is a branched block copolymer comprising, as monomers, n-butyl acrylate, acrylic acid, methacrylic acid and allyl methacrylate.  
     
     
         3 . Styling composition according to  claim 2 , characterized in that the fixing film-forming polymer (a) is composed of 26 to 36 mol % of acrylic acid, of 27.5 to 30.5 mol % of n-butyl acrylate, of 33.3 to 45.3 mol % of methacrylic acid and of 0.48 to 0.92 mol % of allyl methacrylate.  
     
     
         4 . Styling composition according to any one of the preceding claims, characterized in that the fixing film-forming polymer (b) is chosen from cationic, anionic, nonionic or amphoteric fixing film-forming polymers.  
     
     
         5 . Styling composition according to  claim 4 , characterized in that the fixing film-forming polymer (b) is chosen from homopolymers or copolymers derived from acrylic or methacrylic esters or amides, quaternized polysaccharides, quaternary copolymers of vinylpyrrolidone and of vinylimidazole, chitosans, cationic cellulose derivatives, homopolymers or copolymers of acrylic or methacrylic acid, copolymers of acrylic or methacrylic acid and of a monoethylenic monomer, copolymers derived from crotonic acid, copolymers derived from C 4-8  monounsaturatedcarboxylic acids or anhydrides, polyacrylamides comprising carboxylate groups, polymers comprising sulpho groups, vinylpyrrolidone homopolymers, copolymers of vinylpyrrolidone and of vinyl acetate, polyalkyloxazolines, vinyl acetate homopolymers, copolymers of vinyl acetate and of acrylic esters, copolymers of vinyl acetate and of ethylene, copolymers of vinyl acetate and of maleic ester, copolymers of ethylene and of maleic anhydride, polyurethanes, polyamides, guar gums and grafted silicones.  
     
     
         6 . Styling composition according to one of the preceding claims, characterized in that the concentration of the fixing film-forming polymer (a) is between 0.1 and 10% by weight with respect to the total weight of the liquid phase.  
     
     
         7 . Styling composition according to  claim 6 , characterized in that the concentration of the fixing film-forming polymer (a) is between 0.5 and 5% by weight with respect to the total weight of the liquid phase.  
     
     
         8 . Styling composition according to any one of the preceding claims, characterized in that the concentration of the fixing film-forming polymer(s) (b) is between 0.1 and 10% by weight, preferably between 0.1 and 5% by weight, with respect to the total weight of the liquid phase.  
     
     
         9 . Styling composition according to any one of the preceding claims, characterized in that the cosmetically acceptable medium is an aqueous or aqueous/alcoholic medium and preferably an aqueous medium.  
     
     
         10 . Styling composition according to any one of the preceding claims, characterized in that the liquid phase additionally comprises one or more surface-active agents chosen from nonionic, cationic, anionic and zwitterionic surface-active agents.  
     
     
         11 . Styling composition according to  claim 10 , characterized in that the liquid phase comprises from 0.1 to 10% by weight, and preferably from 0.1 to 4% by weight, of surface-active agents, with respect to the total weight of the liquid phase.  
     
     
         12 . Styling composition according to any one of the preceding claims, characterized in that the propellant is chosen from dimethyl ether, C 3-5  alkanes, 1,1-difluoroethane, mixtures of dimethyl ether and of C 3-5  alkanes, and mixtures of 1,1-difluoroethane and of dimethyl ether and/or of C 3-5  alkanes.  
     
     
         13 . Styling composition according to  claim 12 , characterized in that the propellant is chosen from C 3-5  alkanes.  
     
     
         14 . Styling composition according to any one of the preceding claims, characterized in that the ratio by weight of the liquid phase to the propellant is between 70/30 and 98/2, preferably between 85/15 and 96/4.  
     
     
         15 . Composition in the form of a styling mousse, packaged in an aerosol device, comprising 
 a liquid phase comprising, in a cosmetically acceptable liquid medium, (a) at least one fixing film-forming polymer chosen from branched block copolymers comprising, as main monomers, at least one C 1-20  alkyl acrylate and/or at least one N-mono-or N,N-di(C 2-12  alkyl) (meth)acrylamide, and acrylic acid and/or methacrylic acid, and at least one cationic, anionic or zwitterionic surface-active agent or a mixture of these, and    at least one propellant.    
     
     
         16 . Styling composition according to  claim 15 , characterized in that the fixing film-forming polymer (a) is a branched block copolymer comprising, as monomers, n-butyl acrylate, acrylic acid, methaczylic acid and allyl methacrylate.  
     
     
         17 . Styling composition according to  claim 16 , characterized in that the fixing film-forming polymer (a) is composed of 26 to 36 mol % of acrylic acid, of 27.5 to 30.5 mol % of n-butyl acrylate, of 33.3 to 45.3 mol % of methacrylic acid and of 0.48 to 0.92 mol % of allyl methacrylate.  
     
     
         18 . Styling composition according to any one of  claims 15  to  17 , characterized in that the cosmetically acceptable medium is an aqueous or aqueous/alcoholic medium and preferably an aqueous medium.  
     
     
         19 . Styling composition according to one of  claims 15  to  18 , characterized in that the concentration of the fixing film-forming polymer (a) is between 0.1 and 10% by weight with respect to the total weight of the liquid phase.  
     
     
         20 . Styling composition according to  claim 19 , characterized in that the concentration of the fixing film-forming polymer (a) is between 0.5 and 5% by weight with respect to the total weight of the liquid phase.  
     
     
         21 . Styling composition according to one of  claims 15  to  20 , characterized in that the concentration of the surface-active agent(s) is between 0.1 and 10% by weight, and preferably between 0.1 and 4% by weight, with respect to the total weight of the liquid phase.  
     
     
         22 . Styling composition according to any one of  claims 15  to  21 , characterized in that the liquid phase additionally comprises (b) one or more film-forming polymers other than the fixing film-forming polymer (a).  
     
     
         23 . Styling composition according to  claim 22 , characterized in that the concentration of the fixing film-forming polymer(s) (b) is between 0.1 and 10% by weight, preferably between 0.1 and 5% by weight, with respect to the total weight of the liquid phase.  
     
     
         24 . Styling composition according to any one of  claims 15  to  23 , characterized in that the propellant is chosen from dimethyl ether, C 3-5  alkanes, 1,1-difluoroethane, mixtures of dimethyl ether and of C 3-5  alkanes, and mixtures of 1,1-difluoroethane and of dimethyl ether and/or of C 3-5  alkanes.  
     
     
         25 . Styling composition according to  claim 24 , characterized in that the propellant is chosen from C 3-5  alkanes.  
     
     
         26 . Styling composition according to any one of  claims 15  to  25 , characterized in that the ratio by weight of the liquid phase to the propellant is between 70/30 and 98/2, preferably between 85/15 and 96/4.  
     
     
         27 . Styling process which consists in applying, to the hair, an appropriate amount of the styling composition according to any one of the preceding claims, in spreading the composition over the hair until the mousse has disappeared and in then drying the hair or allowing it to dry after it has been given the desired form.