| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide: a pigment dispersion excellent in curability when used together with a polymerizable compound, excellent in discharge stability, and excellent in resistance to solvents; an ink composition using the same; an image forming method; and a printed matter. <P>SOLUTION: The ink composition is used which comprises at least (a) a pigment, (b) a water-soluble dye having a basic group or its salt, and an acidic group or its salt, (c) a polymeric dispersant, and (d) the polymerizable compound. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
