Aerosol device containing a condensation polymer comprising at least a polyurethane and/or polyurea unit

Abstract

The invention concerns aerosol devices comprising a reservoir containing, in a cosmetically suitable medium, a multiple-block polymer (A) comprising at least a polyurethane and/or polyurea unit and a film-forming polymer (B), the polymers (A) and (B) and the device being selected so as to obtain, at the device outlet, droplets of composition with average diameter less than 80 μm. The invention also concerns a hairstyling or hair-fixing method comprising the use of said devices and their use for making a hairstyling product.

1 - 26 . (canceled) 
     
     
         27 . A pump dispenser bottle device comprising a reservoir containing a hair composition, wherein:
 (i) the composition comprises, in a cosmetically acceptable medium, at least one polycondensate (A) comprising at least one block chosen from polyurethane and polyurea blocks and at least one film-forming polymer (B), wherein the at least one polycondensate (A) is different from the at least one film-forming polymer (B); and wherein the at least one polycondensate (A) is formed by an arrangement of blocks, said arrangement of blocks being obtained from:   (1) at least one compound which contains at least two active hydrogen atoms per molecule chosen from polyesterols;   (2) at least one substance chosen from at least one diol containing at least one acid radical and the salts of said at least one diol; and   (3) at least on isocyanate chosen from di- and polyisocyanates and wherein the at least one polycondensate (A) is formed from at least one compound having a silicone skeleton chosen from polysiloxanes, polyalkylsiloxanes and polyarylsiloxanes; and   (ii) the at least one polycondensate (A), the at least one film-forming polymer (B), and the device being chosen so as to obtain droplets of said hair composition having an average diameter of less than or equal to 80 μm upon dispensing.   
     
     
         28 . The device according to  claim 27 , wherein the composition further comprises an organic solvent. 
     
     
         29 . The device according to  claim 27 , wherein the at least one substance chosen from at least one diol containing at least one acid radical and the salts of said at least one diol, is 2,2-hydroxymethylcarboxylic acid. 
     
     
         30 . The device according to  claim 27 , wherein the at least on isocyanate chosen from di- and polyisocyanates is chosen from hexamethylene diisocyanate, isophorone diisocyanate, toluoylene diisocyanate, diphenylmethane 4,4′-diisocyanate, dicyclohexylmethane 4,4′-disocyanate, methylenebis(p-phenyl)diisocyanate, methylenebis(4-cyclohexyl isocyanate), isophorone diisocyanate, toluene diisocyanate, 1,5-naphthalene diisocyanate, 4,4′-diphenylmethane diisocyanate, 2,2′-dimethyl-4,4′-diphenylmethane diisocyanate, 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, mixtures of 2,4- and 2,6-toluene diisocyanate, 2,2′-dichloro-4,4′-diisocyanatodiphenylmethane, 2,4-dibromo-1,5-diisocyanatonaphthalene, butane 1,4-diisocyanate, 1,6-hexane diisocyanate and 1,4-cyclohexane diisocyanate. 
     
     
         31 . The device according to  claim 27 , wherein the polycondensate is formed from at least one additional compound having a silicone skeleton, chosen from polysiloxanes, polyalkylsiloxanes and polyarylsiloxanes, optionally comprising hydrocarbon-based chains grafted onto the silicone atoms. 
     
     
         32 . The device according to  claim 27 , wherein the composition comprises at least one polycondensate (A) in an amount ranging from 0.1 to 30%, relative to the total weight of the composition. 
     
     
         33 . The device according to  claim 27 , wherein the composition comprises at least one film-forming polymer (B) in an amount ranging from 0.1 to 30%, relative to the total weight of the composition. 
     
     
         34 . The device according to  claim 27 , wherein the composition further comprises at least one organic solvent in an amount ranging from 0.1 to 30%, relative to the total weight of the composition. 
     
     
         35 . The device according to  claim 27 , wherein the at least one film-forming polymer (B) is an anionic polymer chosen from polymers comprising carboxylic units derived from unsaturated mono- and dicarboxylic acid monomers of formula: 
       
         
           
           
               
               
           
         
         wherein n is an integer ranging from 0 to 10, A comprises a methylene group, optionally connected to the carbon atom of the unsaturated group or to the neighboring methylene group when n is greater than 1, via hetero atom, R 7  is chosen from a hydrogen atom, a phenyl group and a benzyl group, R 8  is chosen from a hydrogen atom, lower alkyl groups and a carboxyl group, R 9  is chosen from a hydrogen atom, lower alkyl groups, a —CH2-COOH group, a phenyl group and a benzyl group; and 
         polymers comprising units derived from sulphonic acid. 
       
     
     
         36 . The device according to  claim 35 , wherein the at least one anionic film-forming polymer is chosen from:
 acrylic acid copolymers;   copolymers derived from crotonic acid;   polymers derived from maleic, fumaric or itaconic acids or anhydrides with vinyl esters, vinyl ethers, vinyl halides, phenylvinyl derivatives and acrylic acid and esters thereof;   copolymers of methacrylic acid and methyl methacrylate;   the copolymer of methacrylic acid and ethyl acrylate;   vinyl acetate/crotonic acid copolymer; and   vinyl acetate/crotonic acid/polyethylene glycol terpolymer.   
     
     
         37 . The device according to  claim 27 , wherein the at least one film-forming polymer (B) is an amphoteric polymer chosen from polymers comprising units derived from:
 a) at least one monomer chosen from acrylamides and methacrylamides substituted on the nitrogen with an alkyl radical,   b) at least one acidic comonomer comprising at least one reactive carboxylic group; and   c) at least one basic comonomer chosen from esters comprising primary, secondary, tertiary and quaternary amine substituents of acrylic and methacrylic acids and the product of quaternization of dimethylaminoethyl methacrylate with dimethyl or diethyl sulfate.   
     
     
         38 . The device according to  claim 27 , wherein the at least one film-forming polymer (B) is a nonionic polymer chosen from:
 polyalkyloxazolines;   vinyl acetate homopolymers;   copolymers of vinyl acetate and acrylic ester;   copolymers of vinyl acetate and ethylene;   copolymers of vinyl acetate and maleic ester;   copolymers of polyethylene and maleic anhydride;   alkyl acrylate homopolymers and alkyl methacrylate homopolymers;   acrylic ester copolymers;   copolymers of acrylonitrile and a nonionic monomer; and   copolymers of alkyl acrylate and urethane.   
     
     
         39 . The device according to  claim 27 , wherein the at least one film-forming polymer (B) is a cationic polymer chosen from:
 the copolymer of acrylamide and dimethylaminoethyl methacrylate quaternized with dimethyl sulfate;   copolymers of acrylamide and methacryloyloxyethyltrimethylammonium chloride;   the copolymer of acrylamide and methacryloyloxyethyltrimethylammonium methosulfate;   quaternized or non-quaternized vinylpyrrolidone/dialkylaminoalkyl acrylate and methacrylate copolymers,   dimethylaminoethyl methacrylate/vinyl caprolactam/vinylpyrrolidone terpolymers, and   vinylpyrrolidone/quaternized dimethylaminopropylmethacrylamide copolymer.   
     
     
         40 . The device according to  claim 27 , wherein the at least one film-forming polymer (B) is a grafted silicone polymer comprising a polysiloxane portion and a portion comprising a non-silicone organic chain. 
     
     
         41 . The device according to  claim 27 , wherein the at least one film-forming polymer (B) is a functionalized or non-functionalized, silicone or non-silicone polyurethane which is different from the at least one polycondensate (A). 
     
     
         42 . The device according to  claim 27 , wherein the composition is delivered in an amount ranging from 120 μl to 170 μl, when the user presses once on the push button. 
     
     
         43 . The device according to  claim 27 , wherein the composition further comprises at least one cosmetic additive chosen from fatty substances, thickeners, softeners, antifoaming agents, moisturizers, antiperspirants, basifying agents, dyes, pigments, fragrances, preserving agents, surfactants, volatile, and non-volatile silicones.