| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink composition which has hue with high clear nature suitable for inkjet recording, in which the light resistance of a recorded matter is strong, and moreover which includes a specific anthrapyridone compound containing copper excellent in storage stability, and a magenta pigment. <P>SOLUTION: The aqueous ink composition includes, as a pigment: at least one kind of the anthrapyridone compound containing copper or its salt, expressed by formula (1) and having two anthrapyridone structures; and at least one kind of a compound having one anthrapyridone structure, or its salt. <P>COPYRIGHT: (C)2012,JPO&INPIT |
