发明授权
US5608025A Methacrylic copolymers and dispersants for pigments used in non-aqueous
paints and varnishes comprising the copolymers
失效
用于非水性涂料和清漆的颜料的甲基丙烯酸共聚物和分散剂，其包含共聚物
- 专利标题： Methacrylic copolymers and dispersants for pigments used in non-aqueous paints and varnishes comprising the copolymers
- 专利标题（中）： 用于非水性涂料和清漆的颜料的甲基丙烯酸共聚物和分散剂，其包含共聚物
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申请号： US613695申请日： 1996-03-11
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公开(公告)号： US5608025A公开(公告)日： 1997-03-04
- 发明人: Wataru Kawanishi
- 申请人： Wataru Kawanishi
- 申请人地址： JPX
- 专利权人： Kyoeisha Chemical Co., Ltd.
- 当前专利权人： Kyoeisha Chemical Co., Ltd.
- 当前专利权人地址： JPX
- 优先权： JPX7-057010 19950316
- 主分类号： C08F220/18
- IPC分类号： C08F220/18 ; C08F20/10 ; C08F20/26 ; C08F20/34 ; C08F220/10 ; C08F220/12 ; C08F220/26 ; C08F220/34 ; C08F290/00 ; C08F290/02 ; C08F290/04 ; C08F290/06 ; C09C3/10 ; C09D7/02 ; C09D7/12 ; C09D133/00 ; C09D133/04 ; C08F226/00
摘要：
Herein disclosed are a novel methacrylic copolymer capable of serving as a component for uniformly dispersing pigments in paints and varnishes and a dispersant comprising the copolymer. The dispersant for dispersing pigments in non-aqueous paints and varnishes comprises a methacrylic copolymer obtained by copolymerizing 10 to 85 parts by weight of at least one (meth)acrylate monomer selected from, for instance, alkyl (meth)acrylates, alkenyl (meth)acrylates, hydroxyalkyl (meth)acrylates and alkylalkenyl monoalkylene glycol (meth)acrylates, 10 to 60 parts by weight of aminoalkyl (meth)acrylate monomer and/or quaternary ammonium (meth)acrylate monomer and 5 to 30 parts by weight of a monomer carrying a terminal (meth)acryloyl group and having an average molecular weight ranging from 4000 to 1000000.
公开/授权文献
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