PROBLEM TO BE SOLVED: To provide a resin composition for antifouling coating capable of providing an antifouling coated film excellent in coated film hardness, good in water resistance or block property and good in durability and antifouling performance over long time.SOLUTION: A resin composition for antifouling coating containing (A) a vinyl polymer containing a unit having a unit having a carboxyl group ion bound to a bivalent metal and having acid value of 35 mgKOH/g and (B) a vinyl polymer having acid value of 20 mgKOH/g or less and having number average molecular weight (Mn) of the vinyl polymer (B) of 2000 or more.SELECTED DRAWING: None
【課題】塗膜硬度に優れ、また耐水性や盤木性が良好で、長期にわたって耐久性と防汚性能が良好な防汚塗膜を得ることができる防汚塗料用組成物を提供する。【解決手段】 価の金属とイオン結合しているカルボキシル基をもつ単位を有する単位を含み、酸価が35mgKOH/g以上のビニル系ポリマー(A)と、酸価が20mgKOH/g以下のビニル系ポリマー(B)を含み、前記ビニル系ポリマー(B)の数平均分子量(Mn)が2000以上である防汚塗料用樹脂組成物を用いる。【選択図】 なし
RESIN COMPOSITION FOR ANTIFOULING COATING AND ANTIFOULING COATED FILM
防汚塗料用樹脂組成物および防汚塗膜
2016-12-15
Patent
Electronic Resource
Japanese
IPC: | C09D Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke , COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind |
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