A pigment dispersion that includes C.l. Pigment Yellow 185 and a polymer having a repeating unit represented by Formula (1):
wherein:
R denotes a hydrogen atom or a methyl group, J denotes -CO-, - COO-, -CONR1-, -OCO-, a methylene group, or a phenylene group,
R1 denotes a hydrogen atom, an alkyl group, or an aryl group,
n denotes 0 or 1,
W denotes a single bond or a divalent linking group, and
P denotes a heterocyclic residue or aromatic quinone structure-containing residue forming a basic skeleton of an organic pigment. There are also provided an ink composition that includes C.l. Pigment Yellow 185 and a polymer having a repeating unit represented by Formula (1), and an inkjet recording method that includes a step of discharging onto a recording medium the ink composition and a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation.
颜料分散体,包括 C.l.
颜料黄 185 和具有由式(1)表示的重复单元的聚合物:
其中
R 表示氢原子或甲基,J 表示-CO-、-COO-、-CONR1-、-OCO-、亚甲基或亚苯基、
R1 表示氢原子、烷基或芳基、
n 表示 0 或 1、
W 表示单键或二价连接基团,以及
P 表示杂环残基或含芳香族醌结构的残基,构成
有机颜料的基本骨架。还提供了一种墨
水组合物,其中包括 C.l.
颜料黄 185 和具有式(1)表示的重复单元的聚合物,以及一种喷墨记录方法,该方法包括将墨
水组合物排放到记录介质上的步骤和通过用阳极辐射照射排放的墨
水组合物来固化墨
水组合物的步骤。