초록 ▼

This invention relates to compositions, and methods for producing compositions, for increasing oil repellency, water repellency, or both, of fabric or fibers, containing: (a) an effective amount of a repellent polymer selected from the group consisting of homopolymers and copolymers of one or mor

This invention relates to compositions, and methods for producing compositions, for increasing oil repellency, water repellency, or both, of fabric or fibers, containing: (a) an effective amount of a repellent polymer selected from the group consisting of homopolymers and copolymers of one or more monomers having formula I: description="In-line Formulae" end="lead"Rf--(CH2)n--P (I)description="In-line Formulae" end="tail" wherein P is a polymerizable or copolymerizable moiety; and (b) a fluorinated carbon solvent.

대표청구항 ▼

What is claimed is: 1. A composition for increasing oil repellency, water repellency, or both, of fabric or fibers, comprising: an effective amount of a copolymer comprising one or more monomers having formula I: description="In-line Formulae" end="lead"Rf--(CH2)n--P (I)description="In-line Formu

What is claimed is: 1. A composition for increasing oil repellency, water repellency, or both, of fabric or fibers, comprising: an effective amount of a copolymer comprising one or more monomers having formula I: description="In-line Formulae" end="lead"Rf--(CH2)n--P (I)description="In-line Formulae" end="tail" wherein Rf is a straight chain or branched perfluoroalkyl group, P is a polymerizable moiety and n is an integer from 1 to 3; and one or more monomers selected from the group consisting of dimethylmetaisopropenylbenzylisocyanate, 2-isocyanoethyl methacrylate, and methallyl isothiocyanate. 2. The composition of claim 1, wherein P has the formula description="In-line Formulae" end="lead"--OC(O)--X--R1 (II)description="In-line Formulae" end="tail" wherein X is a direct bond or--NH--, R1 is a straight chain or branched alkenyl, or aryl group substituted with an unsaturated carbon chain. 3. The composition of claim 1, wherein n is 1. 4. The composition of claim 2, wherein R1 is an alkenyl moiety having between 2 and 10 carbon atoms. 5. The composition of claim 1, wherein Rf contains between 2 and 15 carbon atoms. 6. The composition of claim 1, wherein Rf has 9 carbon atoms. 7. The composition of claim 2, wherein R1--X--C(O)O--is selected from the group consisting of acrylic acid, methacrylic acid, and maleic acid. 8. The composition of claim 1, further comprising a fluorinated carbon solvent. 9. The composition of claim 8, wherein the fluorinated carbon solvent comprises 2,3-dihydrodecafluoropentane. 10. The composition of claim 8, wherein the fluorinated carbon solvent further comprises chloroethylene. 11. The composition of claim 10, wherein the chloroethylene comprises trans-1,2-dichloroethylene. 12. A method preparing an oil repellent, water repellent, or oil and water repellent composition, comprising: copolymerizing a fluorinated monomer having formula (I): description="In-line Formulae" end="lead"Rf--(CH2)n--P (I)description="In-line Formulae" end="tail" wherein Rf is a straight chain or branched perfluoroalkyl group, P is a polymerizable moiety and n is an integer from 1 to 3; and one or more monomers selected from the group consisting of dimethylmetaisopropenylbenzylisocyanate, 2-isocyanoethyl methacrylate, and methallyl isothiocyanate. 13. The method of claim 12, wherein P has the formula description="In-line Formulae" end="lead"--OC(O)--X--R1 (II)description="In-line Formulae" end="tail" wherein X is a direct bond or--NH--, R1 is a straight chain or branched alkenyl, or aryl group substituted with an unsaturated carbon chain. 14. The method of claim 12, wherein the copolymerization is conducted in a fluorocarbon polymerization solvent. 15. The method of claim 14, wherein the fluorocarbon polymerization solvent comprises fluorocarbons, hydrofluorocarbons, hydrochlorofluorocarbons, or mixtures thereof. 16. The method of claim 14, wherein polymerization solvent comprises 2,3-dihydrodecafluoropentane. 17. The composition of claim 14, wherein the polymerization solvent further comprises chloroethylene. 18. The composition of claim 17, wherein the chloroethylene comprises trans-1,2-dichloroethylene.