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2. 发明授权

US6025449A Water-soluble acrylic resin, resin composition containing the same for use in water-based coating composition, water-based coating composition and coating method by use of the same 失效
标题翻译：水溶性丙烯酸树脂，含有它们的用于水性涂料组合物的树脂组合物，水性涂料组合物和使用它们的涂布方法
公开(公告)号：US6025449A
公开(公告)日：2000-02-15
申请号：US31659
申请日：1998-02-27
申请人： Masashi Enomoto , Nobushige Numa , Tomokuni Ihara , Hirofumi Fukuyama , Hajime Sukejima , Hiroto Takeuchi
发明人： Masashi Enomoto , Nobushige Numa , Tomokuni Ihara , Hirofumi Fukuyama , Hajime Sukejima , Hiroto Takeuchi
IPC分类号： C08F220/18 , C08F220/28 , C09D4/00 , C09D7/45 , C08F18/00
CPC分类号： C09D7/02 , C08F220/18 , C08F220/28 , C09D4/00
摘要： A water-soluble acrylic resin which is prepared by neutralizing with a neutralizing agent an acrylic copolymer formed by copolymerizing (a) an alkylene oxide group-containing (meth)acrylate, (b) a cyclic saturated hydrocarbon group-containing (meth)acrylate, (c) a hydroxyl group-containing unsaturated monomer other than the monomer (a), and (d) other unsaturated monomer; a resin composition used for a water-based coating composition and containing, as a vehicle component, the above water-soluble acrylic resin; a water-based coating composition containing, as major components, (A) at Least one resin selected from the group consisting of a water-soluble resin and a water-dispersible resin and (B) a pigment, said pigment (B) being subjected to dispersion treatment; with a water-soluble acrylic resin (C), which is prepared by neutralizing with a neutralizing agent an acrylic copolymer formed by copolymerizing (a) an alkylene oxide group-containing (meth)acrylate, (b) a cyclic saturated hydrocarbon group-containing (meth)acrylate, and (e) other unsaturated monomer, followed by being mixed with the resin (A) to form a water-based coating composition; a coating method comprising coating a base coat coating composition onto a substrate followed by coating a top clear coating composition, the above water-based coating composition being used as the base coat coating composition.
摘要翻译：（a）含环氧烷基的（甲基）丙烯酸酯，（b）含环状饱和烃基的（甲基）丙烯酸酯，（甲基）丙烯酸酯，（甲基）丙烯酸酯，（c）除单体（a）以外的含羟基的不饱和单体，和（d）其它不饱和单体; 用于水性涂料组合物并含有上述水溶性丙烯酸树脂作为载体组分的树脂组合物; 一种水性涂料组合物，其含有（A）至少一种选自水溶性树脂和水分散性树脂的树脂作为主要成分，（B）颜料，所述颜料（B）经受分散处理; 与（a）含烯氧化物基团的（甲基）丙烯酸酯共聚形成的丙烯酸共聚物，（b）含有环状饱和烃基的（甲基）丙烯酸酯，（甲基）丙烯酸酯和（e）其它不饱和单体，然后与树脂（A）混合形成水性涂料组合物; 一种涂覆方法，包括将底涂层涂料组合物涂布在基材上，然后涂覆顶部透明涂料组合物，上述水基涂料组合物用作底涂涂料组合物。

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