| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a phthalocyanine coloring matter having favorable hue as a cyano ink, excellent in light resistance, ozone resistance and moisture resistance, and significantly mitigated in bronze phenomena, thus suitable for ink-jet printing use. <P>SOLUTION: An ink containing a phthalocyanine compound as the phthalocyanine coloring matter with a substituent of the formula(111) on the β-site is provided. In the formula(111), X, Y and Z are each a halogen atom, OH, sulfo, carboxyl, amino, a (substituted) alkoxy, (substituted) cycloalkyloxy, (substituted) allyloxy, (substituted) heterocycloxy, (substituted) aralkyloxy, (substituted) alkenyloxy, (substituted) alkylamino, wherein at least one of X, Y and Z has a sulfo, carboxyl or ionic hydrophilic group as a substituent. <P>COPYRIGHT: (C)2007,JPO&INPIT |
