申请人:Seiko Epson Corporation
公开号:EP4019597A1
公开(公告)日:2022-06-29
An ink jet ink composition containing a metal pigment, and a liquid medium component, in which the metal pigment is made of a metal particle, the metal particle is surface-modified with a surface treatment agent, the surface treatment agent is at least one selected from the group consisting of a compound represented by formula (1) below and a compound represented by formula (2) below, and the ink jet ink composition is a water-based ink or a solvent-based ink:
(R-O)aP(O)(OH)3-a ··· (1)
(R)P(O)(OH)2 ··· (2)
where R is independently a hydrocarbon group having a carbon skeleton having 13 or more carbon atoms, and a is 1 or 2.
一种含有金属颜料和液体介质成分的喷墨墨水组合物,其中金属颜料由金属颗粒制成,金属颗粒用表面处理剂进行表面改性,表面处理剂至少选自下式(1)代表的化合物和下式(2)代表的化合物组成的组中的一种,喷墨墨水组合物为水基墨水或溶剂型墨水:
(R-O)aP(O)(OH)3-a --- (1)
(R)P(O)(OH)2 --- (2)
其中,R 独立地是一个烃基,其碳骨架具有 13 个或更多碳原子,a 是 1 或 2。