Disclosed is an ink composition with excellent adhesiveness of an image on a recording medium and recoverability after being left for a period. The ink composition of the present invention contains coloring particles that include a quinacridone solid solution pigment including two or more types of quinacridone-based compounds, a synergist including a basic group, and a high-molecular weight vinyl polymer, a water-soluble polymerizable compound, a polymerization initiator and water.
本发明涉及一种油墨组合物,其在记录介质上具有卓越的图像粘附性和长时间放置后的回收性。本发明的油墨组合物包含
颜料粒子,其中包括两种或更多种基于
喹喔啉的化合物的
喹喔啉固溶体
颜料,一种包括碱性基团的协同剂,以及高分子量
乙烯基聚合物,
水溶性聚合物化合物,聚合物化引剂和
水。