| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink composition excellent in the dispersibility and stability over time of a pigment. <P>SOLUTION: This ink composition is characterized by including at least a pigment, a polymer dispersant having a phosphoric acid group or phosphonic acid group in its molecule and a dispersant assistant comprising a compound having a vinyl ether structure in its molecule. <P>COPYRIGHT: (C)2008,JPO&INPIT |
