| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink composition containing a pigment dispersed in high concentration and at the same time having physical properties suitable for ejecting stably at a required position on a substrate by an inkjet method. <P>SOLUTION: The ink composition for inkjet recording includes a resin type dispersant (C1) obtained by reacting hydroxyl groups in a vinyl polymer (a) having two hydroxyl groups at one end prepared by radically polymerizing an ethylenically unsaturated monomer (m) under the existence of a compound (s) having two hydroxyl groups and one thiol group with acid anhydride groups in a tetracarboxylic acid dianhydride (b), a pigment (P), a heat-reactive compound (E), and an organic solvent (F). <P>COPYRIGHT: (C)2008,JPO&INPIT |
