Dainippon Ink and Chemicals, Incorporated

Asako Oda

Masataka Ooka

Makoto Tsuboi

Satoshi Hiyoshi

Hiroo Tanaka

Eiichi Yoshikawa

Hiroshi Matsuzawa

Koji Tokunaga

Yasuhiro Yuki

An antifouling coating composition having an excellent coating film strength and also has markedly superior antifouling properties, and a novel resin which is useful as a matrix resin for the composition are provided. The antifouling coating composition comprises a vinyl polymer (A) having, as a repeating unit, a structural unit (a) represented by the following formula (1):(in the formula (1), Xand Xeach independently represents an ester bond or a carbonyl group; Rrepresents an ethylene structure which forms a covalent bond with the carbonyl carbon atom and Xin the formula (1) at the same or adjacent carbon atom; Rrepresents a gem-alkylene group, a vic-alkylene group, an arylmethylidene group or an arylethylene group; and Rand Rrepresent an alkyl group or an aryl group, or a hydrocarbon group having a carbonyl group, an ether bond or an ester bond) and an antifouling agent (B).

Antifouling coating composition and novel resin

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Osaka, Japan

Asako Oda