| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous pigment ink for inkjet which is excellent in wiping durability and image density. <P>SOLUTION: The nonaqueous ink composition of inkjet recording at least includes (A) a pigment, (B) an alkyl (meth)acrylate copolymer having an acidic group, (C) an organic solvent, and (D) a basic compound, wherein (B) the alkyl (meth)acrylate copolymer having the acidic group is an acrylic polymer which includes an alkyl (meth)acrylate unit which has an at least 12C alkyl group, an (meth)acrylate unit which has a urethane group, and a (meth)acrylate unit which has the acidic group. <P>COPYRIGHT: (C)2012,JPO&INPIT |
