发明名称 Ink composition, ink set, and image forming method
摘要 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.
申请公布号 US8857969(B2) 申请公布日期 2014.10.14
申请号 US201213586168 申请日期 2012.08.15
申请人 FUJIFILM Corporation 发明人 Imamura Mika;Sasada Misato
分类号 B41J2/01 主分类号 B41J2/01
代理机构 Birch, Stewart, Kolasch & Birch, LLP 代理人 Birch, Stewart, Kolasch & Birch, LLP
主权项 1. An ink composition comprising: 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,wherein the synergist includes a structural moiety derived from at least one type selected from the group consisting of a quinacridone derivative, a triazine derivative, an acridone derivative, and an anthraquinone derivative.
地址 Tokyo JP