申请人:Naruse Mitsuru
公开号:US20140242352A1
公开(公告)日:2014-08-28
An inkjet ink that contains at least water; a water-soluble organic solvent; a pigment; and a copolymer or a salt thereof. The copolymer or the salt thereof has at least a structural unit represented by Formula 1, a structural unit represented by Formula 2, and a structural unit represented by Formula 3 or 4.
In Formula 1, R1 represents a methyl group or a hydrogen atom, M
+
s each represent a hydrogen ion, an alkali metal ion, or an organic ammonium ion, and m and n each, independently represent 0 or an integer of from 1 to 6 excluding a case of both m and n being 0 at the same time.
In Formula 2, R2 represents a methyl group or a hydrogen atom.
In Formula 3, R3 represents a methyl group or a hydrogen atom.
一种喷墨墨水,至少包含水、水溶性有机溶剂、颜料和共聚物或其盐。共聚物或其盐至少具有由公式1表示的结构单元、由公式2表示的结构单元以及由公式3或4表示的结构单元。在公式1中,R1表示甲基基团或氢原子,M+s分别表示氢离子、碱金属离子或有机铵离子,m和n各自独立地表示0或1到6之间的整数,但m和n同时为0的情况除外。在公式2中,R2表示甲基基团或氢原子。在公式3中,R3表示甲基基团或氢原子。