发明公开
- 专利标题: BLOCK COPOLYMER, DISPERSING AGENT, AND PIGMENT DISPERSION COMPOSITION
- 专利标题(中): 嵌段共聚物和分散颜料分散组合物
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申请号: EP12856320申请日: 2012-11-30
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公开(公告)号: EP2789635A4公开(公告)日: 2015-08-12
- 发明人: UMEMOTO HIKARU
- 申请人: OTSUKA CHEMICAL CO LTD
- 专利权人: OTSUKA CHEMICAL CO LTD
- 当前专利权人: OTSUKA CHEMICAL CO LTD
- 优先权: JP2011267059 2011-12-06
- 主分类号: C08F293/00
- IPC分类号: C08F293/00 ; C08K5/00 ; C08L53/00 ; C09D7/45 ; C09D17/00 ; G02B5/20 ; G02F1/1335
摘要:
There is provided a block copolymer that can provide excellent dispersibility, alkali developability, and dry re-solubility when used, for example, as a dispersing agent. The block copolymer has a segment A and a segment B. The amine value of the block copolymer is 20 mg KOH/g to 150 mg KOH/g.
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