| abstract |
(A) general formula, C n F 2n +1 C m H 2m OCOCR = CH 2 , wherein R is a hydrogen atom or a methyl group, n is 4, 5 or 6, m is 1, 2, 3 or 4 At least one of perfluoroalkylalkyl acrylate and the corresponding methacrylate, (B) benzyl acrylate or benzyl methacrylate, (C) benzyl acrylate and benzyl methacrylate. A water- and oil-repellent agent which uses a fluorine-containing copolymer which contains a polymerizable monomer and (D) crosslinkable group containing polymerizable monomer as a copolymerization unit. |