Patent ID: 6720371
Filing Date: 2004-04-13
Classification: D21H

Abstract:
A water repellent and oil resistant composition comprising the following fluorocopolymer (A), a non-fluorine surfactant (B), a medium (C) and the following water-soluble polymer (D), as the essential components:Water-soluble polymer (D): a water-soluble polymer selected from a polyacrylamide, a polyvinyl alcohol and starch; Fluorocoplymer (A): a copolymer comprising polymerized units of a (meth)acrylate having a polyfluoroalkyl group, polymerized units of a vinylidene halide and polymerized units of a compound represented by the following formula (1): CH2&boxH;C(R)COâ€”Yâ€”(CH2)nâ€”CH(R4)â€”CH2N+(R1)(R2)(R3)Â·Xâˆ’â€ƒâ€ƒ(1) provided that symbols in the formula (1) have the following meanings:R: a hydrogen atom or a methyl group; Y: an oxygen atom or a bivalent organic group; R1, R2: each independently is a hydrogen atom or an alkyl group, or they together form an alkylene group, or together form an alkylene group having an etheric oxygen atom between carbonâ€”carbon; R3: a hydrogen atom or an alkyl group; R4: a hydrogen atom or a hydroxyl group; n: 0, 1, 2, 3 or 4; and Xâˆ’: a counter ion.