发明名称 |
INK COMPOSITION, INKJET RECORDING METHOD AND COLORED BODY |
摘要 |
<p>Disclosed is a water-based black ink composition which exhibits a low intensity, colorless and neutral black color and provides a black recorded image the printed image of which has high density. The ink composition comprises at least one compound represented by the formula (1) or a salt thereof as a pigment (I) and an azo compound having ?max within the range of 550-660 nm as a pigment (II). In the formula (1), R1 to R8 independently represent a hydrogen atom; a halogen atom; a sulfo group; a carboxy group; a sulfamoyl group; a carbamoyl group; a C1-C4 alykyl group; a C1-C4 alkoxy group; and a C1-C4 alkoxy group, or the like substituted with at least one group selected from a group consisting of a hydroxy group, a C1-C4 alkoxy group, a hydroxy C1-C4 alkoxy group, a sulfo group and a carboxy group. X represents a bivalent cross-linking group.</p> |
申请公布号 |
WO2012002317(A1) |
申请公布日期 |
2012.01.05 |
申请号 |
WO2011JP64663 |
申请日期 |
2011.06.27 |
申请人 |
NIPPON KAYAKU KABUSHIKI KAISHA;KAWAGUCHI, AKIRA;MATSUI, TAKAHIKO;YOSHIMOTO, TAKASHI;OOSHIMA, KENJI |
发明人 |
KAWAGUCHI, AKIRA;MATSUI, TAKAHIKO;YOSHIMOTO, TAKASHI;OOSHIMA, KENJI |
分类号 |
C09D11/00;B41J2/01;B41M5/00;B41M5/50;B41M5/52 |
主分类号 |
C09D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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