Textile treatments

Claim 2

Fluorochemical compositions comprising a mixture of: (a) water-insoluble fluoroaliphatic radical- and aliphatic chlorine-containing ester; (b) water-insoluble fluoroaliphatic radical-containing polymer, and (c) water-insoluble fluoroaliphatic radical-containing compounds selected from carbonylimino compounds and imine compounds.

Claim 3

Fluorochemical compositions according to claim 1, wherein said ester comprises an ester of a fluoroaliphatic radical- and aliphatic chlorine-containing alcohol and a mono- or polycarboxylic acid.

Claim 4

Fluorochemical compositions according to claim 2, wherein said alcohol has the formula: ##STR9## wherein R f is a fluorinated, monovalent, non-aromatic, aliphatic radical of at least three fully fluorinated carbon atoms, Q is a divalent linking group free of epoxy-reactive and isocyanate-reactive groups, R 1 is hydrogen, a C 1-6 alkyl radical, or a C 1-6 haloalkyl radical, R 2 is hydrogen, a C 1-6 alkyl radical, a C 1-6 haloalkyl radical, or a C 1-6 aryl radical, R 1 and R 2 can be connected together to form an aromatic or cycloaliphatic structure, and p is greater than zero and less than 10.

Claim 5

Fluorochemical compositions according to claim 2, wherein said ester comprises an adipate, phthalate, or citrate ester.

Claim 6

Fluorochemical compositions according to claim 1, wherein said ester comprises a carbamate ester of a fluoroaliphatic radical- and aliphatic chlorine-containing alcohol and an organic isocyanate.

Claim 7

Fluorochemical compositions according to claim 1, wherein said polymer comprises a polymer of one or more monomers having the formula R f 'P, where R f ' is a fluorinated, monovalent, non-aromatic, aliphatic radical of at least three fully fluorinated carbon atoms, and P is a polymerizable group.

Claim 8

Fluorochemical compositions according to claim 6, wherein R f 'P comprises a fluoroaliphatic acrylate or methacrylate monomer.

Claim 9

Fluorochemical compositions according to claim 1, wherein said fluoroaliphatic radical-containing compound has the formula: R.sup.3 [NR.sup.4 COXA'(Q).sub.m R.sub.f "].sub.r where R 3 is the isocyanate-free residue of an organic polyisocyanate, R 4 is H or a C 1-20 alkyl radical, X is --N--, --O--, or --S--, A' is a divalent organic moiety having 2 to 30 carbon atoms and which is free of hydroxyl-reactive substituents, Q is a divalent linking group free of epoxy-reactive and isocyanate-reactive groups, m is zero or 1 R f " is a fluorinated, monovalent, non-aromatic, aliphatic radical of at least three fully fluorinated carbon atoms, and r is an integer equal to the number of isocyanate groups in said polyisocyanate.

Claim 10

Fluorochemical compositions according to claim 8, wherein X is --O--.

Claim 11

Fluorochemical compositions according to claim 1, wherein said fluoroaliphatic radical-containing compound has the formula: [R.sub.f "(Q).sub.m A'OOCNH].sub.s R.sup.5 -N═C═N--R.sup.6).sub.t HNCOOA'(Q).sub.m R.sub.f " where R f " is a fluorinated, monovalent, non-aromatic, aliphatic radical of at least three fully fluorinated carbon atoms, Q is a divalent linking group free of epoxy-reactive and isocyanate-reactive groups, m is zero or 1, A' is a divalent organic moiety having 2 to 30 carbon atoms and which is free of hydroxyl-reactive substituents, R 5 is the isocyanate-free residue of an organic polyisocyanate, R 6 is the isocyanate-free residue of an organic diisocyanate, s is a number which is one less than the number of isocyanate groups in the polyisocyanate precursor of R 5 , and t is a number which is greater than zero and less than 20.

Claim 12

Fluorochemical compositions according to claim 1, wherein said ester, said polymer, and said fluoroaliphatic radical-containing compound each have at least one major transition temperature above about 25° C.

Claim 13

Fluorochemical compositions according to claim 1, wherein said ester, said polymer, and said fluoroaliphatic radical-containing compound are each between about 9 and 91 weight percent of the total weight of fluorochemical solids in said composition.

Claim 14

Fluorochemical compositions according to claim 1, wherein said ester comprises an adipate ester of the alcohol ##STR10## wherein R f is a fluorinated, monovalent, non-aromatic, aliphatic radical of at least three fully fluorinated carbon atoms, R is H or a C 1-6 alkyl radical, and p is between about 1 and 5, said polymer comprises a polymer of R f 'SO 2 N(R')C 2 H 4 OOCCH═CH 2 , wherein R f ' is a fluorinated, monovalent, non-aromatic, aliphatic radical of at least three fully fluorinated carbon atoms, R' is H or a C 1-6 alkyl radical, said fluoroaliphatic radical-containing compound comprises an adduct of R f SO 2 N(R)C 2 H 4 OH, an aliphatic alcohol, and an aromatic polyisocyanate, and wherein said ester is about 70 to 40 weight percent of the total weight of fluorochemical solids in said composition, and said polymer and said fluoroaliphatic radical-containing compound are each about 15 to 30 weight percent of the total weight of fluorochemical solids in said composition.

Claim 15

Oil- and water-repellant articles treated with a composition according to claim 1.

Claim 16

A process for rendering an article durably oil- and water-repellant, comprising the steps of contacting said article with a liquid composition comprising a composition according to claim 1, and drying said liquid composition on said article.