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    • 1. 发明授权
    • Pigment dispersion and ink composition using the same
    • 颜料分散体和使用其的油墨组合物
    • US07919545B2
    • 2011-04-05
    • US12475620
    • 2009-06-01
    • Norihide ShimoharaYuuichi HayataKoji Yasuda
    • Norihide ShimoharaYuuichi HayataKoji Yasuda
    • C09D11/10
    • C09D11/326C09D11/101C09D17/00
    • The present invention provides a pigment dispersion containing at least a pigment at a concentration of from 2 to 50 mass % in the pigment dispersion, and a polymer having from 2 to 50 mass % of repeating units represented by the following formula (1) and from 2 to 40 mass % of repeating units represented by the following formula (2), and having a weight average molecular weight of 10,000 to 500,000. In formula (1), R1 represents a hydrogen atom or a methyl group, I represents —CO—, —COO—, etc., R2 represents an alkyl group having 1 to 4 carbon atoms. In formula (2), R4 represents a hydrogen atom or a methyl group, J represents —CO—, —COO—, etc., R5 represents a hydrogen atom, an alkyl group, an aryl group, etc., W represents a single bond or a bivalent linking group, and P represents a heterocyclic residue having a hetero ring contained in an organic pigment.
    • 本发明提供一种在颜料分散体中至少含有2〜50质量%的颜料的颜料分散体和由下述式(1)表示的2〜50质量%的重复单元和 2〜40质量%的由下式(2)表示的重复单元,重均分子量为10,000〜500,000。 式(1)中,R 1表示氢原子或甲基,I表示-CO-,-COO-等,R 2表示碳原子数1〜4的烷基。 在式(2)中,R 4表示氢原子或甲基,J表示-CO-,-COO-等,R 5表示氢原子,烷基,芳基等,W表示单 键或二价连接基,P表示有机颜料中含有杂环的杂环残基。
    • 2. 发明申请
    • PIGMENT DISPERSION AND INK COMPOSITION USING THE SAME
    • 使用颜料分散剂和墨水组合物
    • US20100137509A1
    • 2010-06-03
    • US12475620
    • 2009-06-01
    • Norihide ShimoharaYuuichi HayataKoji Yasuda
    • Norihide ShimoharaYuuichi HayataKoji Yasuda
    • C09D139/00
    • C09D11/326C09D11/101C09D17/00
    • The present invention provides a pigment dispersion containing at least a pigment at a concentration of from 2 to 50 mass % in the pigment dispersion, and a polymer having from 2 to 50 mass % of repeating units represented by the following formula (1) and from 2 to 40 mass % of repeating units represented by the following formula (2), and having a weight average molecular weight of 10,000 to 500,000. In formula (1), R1 represents a hydrogen atom or a methyl group, I represents —CO—, —COO—, etc., R2 represents an alkyl group having 1 to 4 carbon atoms. In formula (2), R4 represents a hydrogen atom or a methyl group, J represents —CO—, —COO—, etc., R5 represents a hydrogen atom, an alkyl group, an aryl group, etc., W represents a single bond or a bivalent linking group, and P represents a heterocyclic residue having a hetero ring contained in an organic pigment.
    • 本发明提供一种在颜料分散体中至少含有2〜50质量%的颜料的颜料分散体和由下述式(1)表示的2〜50质量%的重复单元和 2〜40质量%的由下式(2)表示的重复单元,重均分子量为10,000〜500,000。 式(1)中,R 1表示氢原子或甲基,I表示-CO-,-COO-等,R 2表示碳原子数1〜4的烷基。 在式(2)中,R 4表示氢原子或甲基,J表示-CO-,-COO-等,R 5表示氢原子,烷基,芳基等,W表示单 键或二价连接基,P表示有机颜料中含有杂环的杂环残基。