| 摘要 |
The invention provides an aqueous ink composition including (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 are connected.
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