Solvent-based fabric protector

Claim 2

A organic solvent-based fabric treatment composition for imparting oil- and water-repellency to textiles, comprising by weight: (a) 0.1-5%-fluoropolymer comprising (1) 40-90% polymer chain units derived from a perfluor-oalkyl (meth)acrylate monomer. formula CF 3 CF 2 (CF 2 ) k C 2 H 4 OC(O)CR=CH 2 , where R is --H or --CH 3 and k is an even integer from 2 to 12; and (2) 10-60% polymer chain units derived from 2-chlorohydroxypropyl methacrylate; or (3) 10-60% polymer chain units derived from an alkyl (meth)acrylate having an alkyl chain length of 2-18 carbons; and (4) up to 1% polymer chain units derived from N-methylol (meth)acrylamide or hydroxyethyl (meth) acrylate or both; and (b) 0.1-10% propylene glycol. monomethyl ether; in a organic solvent base consisting essentially of at least 80% by weight trichlorotrifluoroethane.

Claim 3

A composition according to claim 1, consisting essentially of: (a) 0.1-5% mixed fluoropolymer comprising: (1) 60-80%, by weight of fluoropolymer, of a first fluoropolymer component consisting essentially of: (i) 40-90% polymer chain units derived from a perfluoroalkyl (meth)acrylate monomer of formula CF 3 CF (CF 2 ) k C 2 H 4 OC(O)CR=CH 2 , where R is --H or --CH 3 and k is an even integer from 2 to 12; and (ii) 10-60% polymer chain units derived from 2-chlorohydroxypropyl methacrylate; and (2) 20-40%, by weight of fluoropolymer, of a second fluoropolymer component consisting essentially of: (i) 40-90% polymer chain units derived from a perfluoroalkyl (meth)acrylate monomer of formula CF 3 CF 2 (CF 2 ) k C 2 H 4 OC(O)CR=CH 2 , where R is --H or --CH 3 and k is an even integer from 2 to 12; and (ii) 10-60% polymer chain units derived from an alkyl (meth)acrylate having an alkyl chain length of 2-18 carbons; and (iii) up to 1% polymer chain units derived from N-methylol (meth)acrylamide or hydroxyethyl (meth)acrylate or both; and (b) 0.1-10% propylene glycol monomethyl ether; in a solvent base consisting essentially of at least 80% by weight trichlorotrifluoroethane.

Claim 4

A composition according to claim 2, consisting essentially of: (a) 0.1-5% mixed fluoropolymer comprising: (1) 65-75%, by weight of fluoropolymer, of a first fluoropolymer component consisting essentially of: (i) 60-80% polymer chain units derived from a perfluoroalkyl (meth)acrylate monomer of formula CH 3 CF 2 (CF 2 ) k C 2 H 4 OC(O)CR=CH 2 , where R is --H or --CH 3 and k is an even integer from 2 to 12; and (ii) 20-40% polymer chain units derived from 2-chlorohydroxypropyl methacrylate; and (2) 20-40%, by weight of fluoropolymer, of a second fluoropolymer component consisting essentially of: (i) 60-80% polymer chain units derived from a perfluoroalkyl (meth)acrylate monomer of formula CF 3 CF 2 (CF 2 ) k C 2 H 4 OC(0)CR=CH 2 , where R is --H or --CH 3 and k is an even integer from 2 to 12; and 2- 40% polymer chain units derived from an alkyl (meth)acrylate having an alkyl chain length of 2-18 carbons; and (iii) up to 1% polymer chain units derived from N-methylol (meth)acrylamide or hydroxyethyl (meth)acrylate or both; and (b) 0.1-10% propylene glycol monomethyl ether; in a solvent base consisting essentially of at least 80% by weight trichlorotrifluoroethane.

Claim 5

A composition according to claim 3, consisting essentially of: (a) 0.1-5% mixed fluoropolymer comprising: (1) 65-75%, by weight of fluoropolymer, of a first fluoropolymer component consisting essentially of: (i) 70-80% polymer chain units derived from a perfluoroalkyl (meth)acrylate monomer of formula CF 3 CF 2 (CF 2 ) k C 2 H 4 OC(0)CR=CH 2 , where R is --H or --CH 3 and k is an even integer from 2 to 12; and (ii) 20-30% polymer chain units derived from 2-chlorohydroxypropyl methacrylate; and (2) 20-40%, by weight of fluoropolymer, of a second fluoropolymer component consisting essentially of: (i) 65-75% polymer chain units derived from a perfluoroalkyl (meth)acrylate monomer of formula CF 3 CF 2 (CF 2 ) k C 2 H 4 OC(0)CR=CH 2 , where R is --H or --CH 3 and k is an even integer from 2 to 12; and (ii) 25-35% polymer chain units derived from an alkyl (meth)acrylate having an alkyl chain length of 2-18 carbons; and (iii) 0.05-1% polymer chain units derived from N-methylol (meth)acrlam or hydroxyethyl (meth)acrylate or both; and (b) 0.1-10% propylene glycol monomethyl ether; in a solvent base consisting essentially of at least 80% by weight trichlorotrifluoroethane.

Claim 6

A composition according to claim 1, wherein the alkyl (meth)acrylate is selected from the group consisting of 2-ethylhexyl (meth)acrylate, octyl (meth)acrylate, isodecyl (meth)acrylate, lauryl (meth)acrylate, and stearyl (meth)acrylate.

Claim 7

A composition according to claim 2, wherein the alkyl (meth)acrylate is selected from the group consisting of 2-ethylhexyl (meth)acrylate, octyl (meth)acrylate, isodecyl (meth)acrylate, lauryl (meth)acrylate, and stearyl (meth)acrylate.

Claim 8

A composition according to claim 6, wherein the alkyl (meth)acrylate is 2-ethylhexyl methacrylate.

Claim 9

An aerosol spray formulation comprising a composition according to claim 1 in admixture with a suitable propellant.

Claim 10

An aerosol spray formulation comprising a composition according to claim 1 in admixture with a propellant selected from the group consisting of dichlorofluoromethane, carbon dioxide, mixtures of propane and isobutane, dichlorodifluoromethane, 1,1,1-chlorodifluoroethane, and 1,1-difluoroethane.

Claim 11

An aerosol spray formulation comprising a composition according to claim 2 in admixture with a propellant selected from the group consisting of dichlorofluoromethane, carbon dioxide, mixtures of propane and isobutane, dichlorodifluoromethane, 1,1,1-chlorodifluoroethane, and 1,1-difluoroethane.

Claim 12

An aerosol spray formulation comprising a composition according to claim 3 in admixture with a propellant selected from the group consisting of dichlorofluoromethane, carbon dioxide, mixtures of propane and isobutane, dichlorodifluoromethane, 1,1,1-chlorodifluoroethane, and 1,1-difluoroethane.

Claim 13

An aerosol spray formulation comprising a composition according to claim 4 in admixture with a propellant selected from the group consisting of dichlorofluoromethane, carbon dioxide, mixtures of propane and isobutane, dichlorodifluoromethane, 1,1,1-chlorodifluoroethane, and 1,1-difluoroethane.

Claim 14

An aerosol spray formulation comprising from 70-85% by weight of a composition according to claim 1, and 15-30% by weight of a propellant selected from the group consisting of dichlorofluoromethane, dichlorodifluoromethane, 1,1,1-chlorodifluoroethane, and 1,1-difluoroethane.

Claim 15

An aerosol spray formulation comprising from 70-85% by weight of a composition according to claim 2, and 15-30% by weight of a propellant selected from the group consisting of dichlorofluoromethane, dichlorodifluoromethane, 1,1,1-chlorodifluoroethane, and 1,1-difluoroethane.

Claim 16

An aerosol spray formulation comprising from 70-85% by weight of a composition according to claim 3, and 15-30% by weight of a propellant selected from the group consisting of dichlorofluoromethane, dichlorodifluoromethane, 1,1,1-chlorodifluoroethane, and 1,1-difluoroethane.

Claim 17

An aerosol spray formulation comprising from 70-85% by weight of a composition according to claim 4, and 15-30% by weight of a propellant selected from the group consisting of dichlorofluoromethane, dichlorodifluoromethane, 1,1,1-chlorodifluoroethane, and 1,1-difluoroethane.