Patent ID: 6860926

Claim:
A water and oil repellent composition comprising: polymer (A) comprising polymerized units of a (meth)acrylate having a polyfluoroalkyl group and (B) a fluorine-containing compound of the following formula 1: R f1 —R 2 —OCO—CH 2 —CHR 1 —COO—R 3 —R f2 Formula 1 wherein each of R f1 and R f2 which are independent of each other, is a C 2-22 polyfluoroalkyl group; R 1 is a hydrogen atom or a C 1-10 alkyl group; and each of R 2 and R 3 which are independent of each other, is a C 1-4 alkylene group or —R 4 —NR 5 —SO 2 —, wherein R 4 is a C 1-4 alkylene group, and R 5 is a C 1-4 alkyl group.