| 发明名称 | Block copolymer, dispersing agent, and pigment dispersion composition | ||
| 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. | ||
| 申请公布号 | US9260557(B2) | 申请公布日期 | 2016.02.16 |
| 申请号 | US201214359838 | 申请日期 | 2012.11.30 |
| 申请人 | OTSUKA CHEMICAL CO., LTD. | 发明人 | Umemoto Hikaru |
| 分类号 | G02B5/23;C08F293/00;C09D17/00;C08K5/00;C08L53/00;G02B5/22;C09D7/02;G02B1/04;C08F295/00;C08F297/00;G02F1/1335 | 主分类号 | G02B5/23 |
| 代理机构 | Westerman, Hattori, Daniels & Adrian, LLP | 代理人 | Westerman, Hattori, Daniels & Adrian, LLP |
| 主权项 | 1. A block copolymer comprising a segment A comprising a partial structure represented by the following general formula (1):wherein n is an integer of 1 to 10; R1 is a hydrogen atom or a methyl group; R2 is an alkylene group having 1 to 10 carbon atoms; and R3 is an alkylene group having 1 to 10 carbon atoms, and a segment B comprising a partial structure represented by the following general formula (2):wherein R4 is a hydrogen atom or a methyl group; R5 is an alkylene group having 1 to 10 carbon atoms; and R6 and R7 are each independently a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and having an amine value of 20 mg KOH/g to 150 mg KOH/g. | ||
| 地址 | Osaka-shi JP | ||