Hairspray compositions containing a silicone glycol block copolymer

Claim 2

A sprayable film-forming composition suitable for imparting a set to hair comprising in solution in a solvent selected from the group consisting of ethanol, isopropanol, methylene chloride, methoxyethanol, 2-ethoxyethanol and mixtures thereof with water, a. from about 0.1% to about 7.5% by weight of the composition of a film-forming resin for imparting a set to hair; and b. from about 0.5% to about 15% by weight of said film-forming resin of a polydimethylsiloxane-polyoxyalkylene block copolymer, wherein each oxyalkylene group is selected from the group consisting of oxyethylene and oxypropylene, said block copolymer comprising dimethylsiloxane (-Si(CH3)2O-) units and units of the formula -Si(CH3)((CH2)n(OCH2CHR'')pOR)O- where n is selected from the values of 0 and 3, each R'' is selected from the group consisting of hydrogen and methyl, p represents the average number of oxyalkylene groups and R is selected from the group consisting of hydrogen and alkyl containing 1 to 5 carbon atoms, and said block copolymer having a silicon content of from 15% to 25% by weight, a molecular weight of from 1200 to 5000 and a viscosity at 25*C of from 3 to 10 poises.

Claim 3

AN AEROSOL HAIRSPRAY COMPOSITION SUITABLE FOR IMPARTING A SET TO HAIR COMPRISING IN SOLUTION IN A MIXTURE OF FROM ABOUT 10% TO 70% BY WEIGHT OF AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHANOL, ISOPROPANOL, METHYLENE CHLORIDE, METHOXYETHANOL AND 2-ETHOXYETHANOL AND FROM ABOUT 30% TO ABOUT 90% BY WEIGHT OF A LIQUEFIED NORMALLY PROPELLANT, A. FROM ABOUT 0.1% TO ABOUT 7.5% BY WEIGHT OF THE COMPOSITION OF A FILM-FORMING RESIN FOR IMPARTING A SET TO HAIR; AND B. FROM ABOUT 0.5% TO ABOUT 15% BY WEIGHT OF SAID FILMFORMING RESIN OF A POLYDIMETHYLSILOXANE-POLYOXYALKYLENE BLOCK COPOLYMER, WHEREIN EACH OXYALKYLENE GROUP IS SELECTED FROM THE GROUP CONSISTING OF OXYTEHYLENE AND OXYPROPYLENE, SAID BLOCK COPOLYMER COMPRISING DIMETHYLSILOXANE (-SI(CH3)2O-) UNITS AND UNITS OF THE FORMULA -SI(CH3)(CH2)N(OCH2CHR'')POR)O- WHERE N IS SELECTED FROM THE VALUES OF 0 AND 3, EACH R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND METHYL, P REPRESENTS THE AVERAGE NUMBER OF OXYALKYLENE GROUPS AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL CONTANING 1 TO 5 CARBON ATOMS, AND SAID BLOCK COPOLYMER HAVING A SILICON CONTENT FROM 15% TO 25% BY WEIGHT, A MOLECULAR WEIGHT OF FROM 1200 TO 500 AND A VISCOSITY AT 25*C OF FROM 3 TO 10 POISES.

Claim 4

AN AEROSOL HAIRSPRAY COMPOSITION SUITABLE FOR IMPARTING A SET TO HAIR COMPRISING IN SOLUTION IN A MIXTURE OF FROM ABOUT 10% TO 70% BY WEIGHT OF AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHANOL, ISOPROPANOL, METHYLENE CHLORIDE, METHOXYETHANOL AND 2-ETHOXYETHANOL AND FROM ABOUT 30% TO ABOUT 90% BY WEIGHT OF A LIQUEFIED NORMALLY PROPELLANT, A. FROM ABOUT 0.1% TO ABOUT 7.5% BY WEIGHT OF THE COMPOSITION OF A FILM-FORMING RESIN FOR IMPARTING A SET TO HAIR; AND B. FROM ABOUT 0.5% TO ABOUT 15% BY WEIGHT OF SAID FILMFORMING RESIN OF A POLYDIMETHYLSILOXANE-POLYOXYALKYLENE BLOCK COPOLYMER, WHEREIN EACH OXYALKYLENE GROUP IS SELECTED FROM THE GROUP CONSISTING OF OXYTEHYLENE AND OXYPROPYLENE, SAID BLOCK COPOLYMER COMPRISING DIMETHYLSILOXANE (-SI(CH3)2O-) UNITS AND UNITS OF THE FORMULA -SI(CH3)(CH2)N(OCH2CHR'')POR)O- WHERE N IS SELECTED FROM THE VALUES OF 0 AND 3, EACH R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND METHYL, P REPRESENTS THE AVERAGE NUMBER OF OXYALKYLENE GROUPS AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL CONTANING 1 TO 5 CARBON ATOMS, AND SAID BLOCK COPOLYMER HAVING A SILICON CONTENT FROM 15% TO 25% BY WEIGHT, A MOLECULAR WEIGHT OF FROM 1200 TO 500 AND A VISCOSITY AT 25*C OF FROM 3 TO 10 POISES.

Claim 5

A composition according to claim 1 wherein the film-forming resin is selected from the group consisting of polyvinylpyrrolidone, a copolymer of from 92.5 to 87.5% vinyl acetate and from 7.5 to 12.5% crotonic acid; a terpolymer of from 7 to 89% vinyl acetate, from 6 to 13% crotonic acid and from 5 to 80% of a vinyl ester of a branched-chain saturated aliphatic monocarboxylic acid; a copolymer of from 20 to 60% N-vinyl-pyrrolidone and from 40 to 80% vinyl acetate; a copolymer of maleic anhydride (1 mole) and a C2 to C4 olefin (1 mole); and a copolymer of methyl vInyl ether and malic anhydride in a molar ratio of about 1:1.

Claim 6

In a hairspray composition for imparting a set to hair and comprising dissolved in a non-toxic cosmetic vehicle a film-forming hairspray resin and a silicon-containing polymer, the improvement which is characterised in that the silicon-containing polymer is a polydimethylsiloxane-polyoxyalkylene block copolymer, wherein each oxyalkylene group is selected from the group consisting of oxyethylene and oxypropylene, said block copolymer comprising dimethylsiloxane (-Si(CH3)2O-) units and units of the formula -Si(CH3)((CH2)n(OCH2CHR'')pOR)O- where n is selected from the values of 0 and 3, each R'' is selected from the group consisting of hydrogen and methyl, p represents the average number of oxyalkylene groups and R is selected from the group consisting of hydrogen and alkyl containing 1 to 5 carbon atoms, and said block copolymer having a silicon content of from 15% to 25% by weight, a molecular weight of from 1200 to 5000 and a viscosity at 25*C of from 3 to 10 poises, said block copolymer being present in the hairspray composition in an amount of from 0.5 to 15% by weight of the hair setting resin.

Claim 7

In a hairspray composition for imparting a set to hair and comprising dissolved in a non-toxic cosmetic vehicle a film-forming hairspray resin and a silicon-containing polymer, the improvement which is characterised in that the silicon-containing polymer is a polydimethylsiloxane-polyoxyalkylene block copolymer, wherein each oxyalkylene group is selected from the group consisting of oxyethylene and oxypropylene, said block copolymer comprising dimethylsiloxane (-Si(CH3)2O-) units and units of the formula -Si(CH3)((CH2)n(OCH2CHR'')pOR)O- where n is selected from the values of 0 and 3, each R'' is selected from the group consisting of hydrogen and methyl, p represents the average number of oxyalkylene groups and R is selected from the group consisting of hydrogen and alkyl containing 1 to 5 carbon atoms, and said block copolymer having a silicon content of from 15% to 25% by weight, a molecular weight of from 1200 to 5000 and a viscosity at 25*C of from 3 to 10 poises, said block copolymer being present in the hairspray composition in an amount of from 0.5 to 15% by weight of the hair setting resin.

Claim 8

An improved method of setting hair by spraying thereon a hairspray composition comprising a solution in an organic solvent of a film-forming resin and a silicon-containing polymer, wherein the improvement consists in that the silicon-containing polymer is a polydimethylsiloxane-polyoxyalkylene block copolymer, wherein each oxyalkylene group is selected from the group consisting of oxyethylene and oxypropylene, said block copolymer comprising dimethylsiloxane (-Si(CH3)2O-) units and units of the formula -Si(CH3)((CH2)n (OCH2CHR'')pOR)O- where n is selected from the values of 0 and 3, each R'' is selected from the group consisting of hydrogen and methyl, p represents the average number of oxyalkylene groups and R is selected from the group consisting of hydrogen and alkyl containing 1 to 5 carbon atoms, and said block copolymer having a silicon content of from 15% to 25% by weight, a molecular weight of from 1200 to 5000 and a viscosity at 25*C of from 3 to 10 poises, the block copolymer being present in the hairspray composition in an amount of from 0.5 to 15% by weight of the hair setting resin.

Claim 9

An improved method of setting hair by spraying thereon a hairspray composition comprising a solution in an organic solvent of a film-forming resin and a silicon-containing polymer, wherein the improvement consists in that the silicon-containing polymer is a polydimethylsiloxane-polyoxyalkylene block copolymer, wherein each oxyalkylene group is selected from the group consisting of oxyethylene and oxypropylene, said block copolymer comprising dimethylsiloxane (-Si(CH3)2O-) units and units of the formula -Si(CH3)((CH2)n (OCH2CHR'')pOR)O- where n is selected from the values of 0 and 3, each R'' is selected from the group consisting of hydrogen and methyl, p represents the average number of oxyalkylene groups and R is selected from the group consisting of hydrogen and alkyl containing 1 to 5 carbon atoms, and said block copolymer having a silicon content of from 15% to 25% by weight, a molecular weight of from 1200 to 5000 and a viscosity at 25*C of from 3 to 10 poises, the block copolymer being present in the hairspray composition in an amount of from 0.5 to 15% by weight of the hair setting resin.