申请人:FUJIFILM Corporation
公开号:EP2325268A1
公开(公告)日:2011-05-25
The invention provides an aqueous ink composition comprising (A) a colorant, (B) a polymer including a hydrophobic structural unit represented by Formula (1) below, (C) a polymerization initiator, (D) a polymerizable compound including an ethylenically unsaturated bond, and (E) water. In the Formula (1), R1 represents a hydrogen atom or a methyl group; R2 represents a hydrogen atom, an alkyl group, an alkyloxy group, an acyl group, or a halogen atom; L1 represents a single bond, or a divalent linkage group including at least one selected from the linkage group consisting of an alkylene group having from 1 to 12 carbon atoms, an alkenylene group having from 2 to 12 carbon atoms, an alkyl ether group having from 2 to 6 carbon atoms, -CONR3-, and -COO-; R3 represents a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms; Ar represents a monovalent group derived from a condensed-ring type aromatic compound having 8 or more carbon atoms, a monovalent group derived from a heterocyclic compound in which aromatic rings are condensed, or a monovalent group derived from a compound in which two or more benzene rings arc connected.
本发明提供了一种水性油墨组合物,该组合物包括:(A) 着色剂;(B) 包括由下式(1)表示的疏水结构单元的聚合物;(C) 聚合引发剂;(D) 包括乙烯不饱和键的可聚合化合物;(E) 水。在式(1)中,R1 代表氢原子或甲基;R2 代表氢原子、烷基、烷氧基、酰基或卤素原子;L1 代表单键或二价连接基团,二价连接基团包括至少一个选自下列连接基团的连接基团:具有 1 至 12 个碳原子的亚烷基、具有 2 至 12 个碳原子的亚烯基、具有 2 至 6 个碳原子的烷基醚基、-CONR3- 和 -COO-;R3 代表氢原子或具有 1 至 6 个碳原子的烷基; Ar 代表衍生自具有 8 个或更多碳原子的缩合环型芳香化合物的一价基团、衍生自芳香环缩合的杂环化合物的一价基团或衍生自两个或更多苯环弧形连接的化合物的一价基团。