| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink composition excellent in fixing property, showing stable ejection from a nozzle, and having a good scratch-proof property, waterproof property and marker resistance of a formed image, and ink for inkjet. <P>SOLUTION: This ink composition containing at least coloring matter and a resin is provided with that the resin is a block copolymer having at least one hydrophilic block and at least one hydrophobic block, and the ink composition is incorporated with a polyvalent metal having ≥65 atomic weight or a compound of the polyvalent metal and also made to have (the former):(the latter)=(1:6) to (10,000:1) molar ratio of the resin to the polyvalent metal or the compound of the polyvalent metal. <P>COPYRIGHT: (C)2008,JPO&INPIT |
