Aerosol hair spray compositions

Claim 2

Aerosol hair spray compositions in aerosol metal containers comprising 0.5 to 5% of at least one hair spray resin selected from the group consisting of: (A) a carboxylated organic vinyl polymer containing: (i) 5-55 mole percent acidic monomer selected from the group consisting of maleic acid, maleic anhydride, acrylic acid, methacrylic acid, fumaric acid, itaconic acid, maleic half esters, fumaric half esters, crotonic acid, aconitic acid, allyl acetic acid, allyl arsonic acid, 2-allyl oxypropionic acid, β-benzoyl acrylic acid, N-n-butyl maleamic acid, N-ethyl maleamic acid, N-methyl maleamic acid, N,N-carboxyl-substituted maleamides, 2-furfuryl acrylic acid, 2-vinyl propionic acid, vinyl acetic acid, sorbic acid, dihydroxy maleic acid and mixtures thereof; (ii) 95-45 mole percent of at least one monomer selected from the group consisting of: (a) styrene and derivatives thereof; (b) methacrylate and acrylate alkyl esters wherein the alkyl group contains 1 to 18 carbon atoms, (c) vinyl esters of the formula CH 2 ═CH--OCOR wherein R is C 1 -C 18 , (d) alkyl substituted acrylamides and methacrylamides of the formula CH 2 ═CR--CONR 1 R 2 wherein R is H or CH 3 , R 1 is H or C 1 -C 12 and R 2 is C 1 -C 18 , (e) diesters of fumaric, itaconic and maleic acids, and (f) vinyl ethers; and (iii) 0-30 mole percent of at least one monomer selected from the group consisting of: (a) hydroxy functional acrylates and methacrylates, (b) cationic monomers selected from the group consisting of t-butyl aminoethyl methacrylate, dimethyl aminoethyl methacrylate, diethyl aminoethyl methacrylate, and the quaternized derivatives thereof, (c) acrylamide and non-alkyl substituted acrylamides, and (d) cyclic amides, wherein said carboxylated polymer is neutralized to an extent that 3 to 100% of the carboxyl groups have been reacted; and (B) a nonionic resin selected from the group consisting of polyvinyl acetate hydrolyzed to an extent that from 15 to 60% of its acetate groups are converted into hydroxyl groups and copolymers of vinyl acetate and vinyl pyrrolidone containing at least about 50% vinyl acetate; 1 to 15% water, a propellent selected from the group consisting of 2-7% carbon dioxide, 5-35% hydrocarbon and mixtures thereof, the remainder of said composition to equal 100%, comprising ethanol or isopropanol or mixtures thereof, all percentages expressed by weight, said hair spray resin being soluble in said composition.

Claim 3

An aerosol hair spray composition according to claim 1 wherein the hair spray resin is a copolymer of vinyl acetate and crotonic acid.

Claim 4

An aerosol hair spray composition according to claim 1 wherein the hair spray resin is a terpolymer of vinyl acetate, crotonic acid and a vinyl ester of an alpha-branched saturated aliphatic monocarboxylic acid containing from 5 to 10 carbon atoms in the carboxylic acid moiety.

Claim 5

An aerosol hair spray composition according to claim 1 wherein the hair spray resin comprises a copolymer of 20-30% vinyl pyrrolidone and 70-80% vinyl acetate.

Claim 6

An aerosol hair spray composition according to claim 1 wherein the water is present in an amount of 3 to 8% by weight.

Claim 7

An aerosol hair spray composition according to claim 1 wherein the propellent is a mixture comprising 90% isobutane and 10% propane.

Claim 8

A process for increasing the solubility of a hair spray resin selected from the group consisting of (A) a carboxylated organic vinyl polymer containing: (i) 5-55 mole percent acidic monomer selected from the group consisting of maleic acid, maleic anhydride, acrylic acid, methacrylic acid, fumaric acid, itaconic acid, maleic half esters, fumaric half esters, crotonic acid, aconitic acid, allyl acetic acid, allyl arsonic acid, 2-allyl oxypropionic acid, β-benzoyl acrylic acid, N-n-butyl maleamic acid, N-ethyl maleamic acid, N-methyl maleamic acid, N,N-carboxyl-substituted maleamides, 2-furfuryl acrylic acid, 2-vinyl propionic acid, vinyl acetic acid, sorbic acid, dihydroxy maleic acid and mixtures thereof; (ii) 95-45 mole percent of at least one monomer selected from the group consisting of: (a) styrene and derivatives thereof; (b) methacrylate and acrylate alkyl esters wherein the alkyl group contains 1 to 18 carbon atoms, (c) vinyl esters of the formula CH 2 ═CH═OCOR wherein R is C 1 -C 18 , (d) alkyl substituted acrylamides and methacrylamides of the formula CH 2 ═CR--CONR 1 R 2 wherein R is H or CH 3 , R 1 is H or C 1 -C 12 and R 2 is C 1 -C 18 , (e) diesters of fumaric, itaconic and maleic acids, and (f) vinyl esters; and (iii) 0-30 mole percent of at least one monomer selected from the group consisting of: (a) hydroxy functional acrylates and methacrylates, (b) cationic monomers selected from the group consisting of t-butyl aminoethyl methacrylate, dimethyl aminoethyl methacrylate, diethyl aminoethyl methacrylate, and the quaternized derivatives thereof, (c) acrylamide and non-alkyl substituted acrylamides, and (d) cyclic amides, wherein said carboxylated polymer is neutralized to an extent that 3 to 100% of the carboxyl groups have been reacted; and (B) a nonionic resin selected from the group consisting of polyvinyl acetate hydrolyzed to an extent that from 15 to 60% of its acetate groups are converted into hydroxyl groups and copolymers of vinyl acetate and vinyl pyrrolidone containing at least about 50% vinyl acetate, in an aerosol hair spray composition of the type containing 0.5 to 5% of said resin, a propellant selected from the group consisting of 2-7% carbon dioxide, 5-35% hydrocarbon, and mixtures thereof, all percentages expressed by weight, and a solvent comprising ethanol, isopropanol or mixtures thereof, said process comprising adding to said composition 1-15% water, by total weight of the composition, thereby rendering said hair spray resin soluble in said composition.

Claim 9

A process for increasing the solubility of a hair spray resin selected from the group consisting of (A) a carboxylated organic vinyl polymer containing: (i) 5-55 mole percent acidic monomer selected from the group consisting of maleic acid, maleic anhydride, acrylic acid, methacrylic acid, fumaric acid, itaconic acid, maleic half esters, fumaric half esters, crotonic acid, aconitic acid, allyl acetic acid, allyl arsonic acid, 2-allyl oxypropionic acid, β-benzoyl acrylic acid, N-n-butyl maleamic acid, N-ethyl maleamic acid, N-methyl maleamic acid, N,N-carboxyl-substituted maleamides, 2-furfuryl acrylic acid, 2-vinyl propionic acid, vinyl acetic acid, sorbic acid, dihydroxy maleic acid and mixtures thereof; (ii) 95-45 mole percent of at least one monomer selected from the group consisting of: (a) styrene and derivatives thereof; (b) methacrylate and acrylate alkyl esters wherein the alkyl group contains 1 to 18 carbon atoms, (c) vinyl esters of the formula CH 2 ═CH═OCOR wherein R is C 1 -C 18 , (d) alkyl substituted acrylamides and methacrylamides of the formula CH 2 ═CR--CONR 1 R 2 wherein R is H or CH 3 , R 1 is H or C 1 -C 12 and R 2 is C 1 -C 18 , (e) diesters of fumaric, itaconic and maleic acids, and (f) vinyl esters; and (iii) 0-30 mole percent of at least one monomer selected from the group consisting of: (a) hydroxy functional acrylates and methacrylates, (b) cationic monomers selected from the group consisting of t-butyl aminoethyl methacrylate, dimethyl aminoethyl methacrylate, diethyl aminoethyl methacrylate, and the quaternized derivatives thereof, (c) acrylamide and non-alkyl substituted acrylamides, and (d) cyclic amides, wherein said carboxylated polymer is neutralized to an extent that 3 to 100% of the carboxyl groups have been reacted; and (B) a nonionic resin selected from the group consisting of polyvinyl acetate hydrolyzed to an extent that from 15 to 60% of its acetate groups are converted into hydroxyl groups and copolymers of vinyl acetate and vinyl pyrrolidone containing at least about 50% vinyl acetate, in an aerosol hair spray composition of the type containing 0.5 to 5% of said resin, a propellant selected from the group consisting of 2-7% carbon dioxide, 5-35% hydrocarbon, and mixtures thereof, all percentages expressed by weight, and a solvent comprising ethanol, isopropanol or mixtures thereof, said process comprising adding to said composition 1-15% water, by total weight of the composition, thereby rendering said hair spray resin soluble in said composition.