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    • 26. 发明申请
    • Non-aqueous pigment ink
    • 非水性颜料墨水
    • US20090156733A1
    • 2009-06-18
    • US12314430
    • 2008-12-10
    • Shunsuke UozumiAyako Mochizuki
    • Shunsuke UozumiAyako Mochizuki
    • C09D11/10C08F26/02
    • C09D11/36C09D11/326Y10T428/24802
    • A non-aqueous pigment ink comprising a pigment, a pigment dispersant and a non-aqueous solvent, wherein the pigment dispersant is an acrylic polymer comprising, as constituent monomers, (M1) an alkyl (meth)acrylate having an alkyl group of 12 or more carbon atoms, (M2) a (meth)acrylic acid derivative having an amino group, and (M3) (meth)acrylic acid and/or a (meth)acrylic acid derivative having a carboxyl group, in which a combination of all the constituent monomers comprises from 8 to 15 mol % of the monomer (M2) and from 0.6 to 8 mol % of the monomer (M3), and the molar ratio (M2)/(M3) between the monomer (M2) and the monomer (M3) is within a range from 1.3 to 15.
    • 包含颜料,颜料分散剂和非水溶剂的非水性颜料墨水,其中所述颜料分散剂是包含作为构成单体的(M1)具有烷基的(甲基)丙烯酸烷基酯(12)的丙烯酸类聚合物,或 更多的碳原子,(M2)具有氨基的(甲基)丙烯酸衍生物,和(M3)(甲基)丙烯酸和/或具有羧基的(甲基)丙烯酸衍生物,其中所有 单体(M2)和单体(M3)的单体(M2)的摩尔比(M2)/(M3)和单体(M2)的摩尔比(M2)/(M3) M3)在1.3至15的范围内。