| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink composition which excels in dischargeability when an image is recorded by an inkjet method, and which is excellent in solvent resistance and fixability of a recorded image. <P>SOLUTION: The ink composition includes: a nonionic polymer (a) which contains a repeating unit (a1) having a group shown by formula (1), and a repeating unit (a2) having a hydrophilic group; water (b); and a color material (c). In the formula (1), R<SP POS="POST">a</SP>and R<SP POS="POST">b</SP>each independently denote a 1-4C alkyl group, and R<SP POS="POST">a</SP>and R<SP POS="POST">b</SP>may mutually bond to form a 4-6 membered ring. <P>COPYRIGHT: (C)2012,JPO&INPIT |
