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    • 1. 发明申请
    • Novel Azo Compound or Salt, Ink Composition Comprising Such Azo Compound, and Colored Article
    • 新型偶氮化合物或盐,包含这种偶氮化合物的油墨组合物和彩色制品
    • US20080011191A1
    • 2008-01-17
    • US11667869
    • 2005-12-13
    • Yutaka IshiiYasuo MurakamiNoriko KajiuraYoshiyuki Dejima
    • Yutaka IshiiYasuo MurakamiNoriko KajiuraYoshiyuki Dejima
    • C09D11/02C07D417/12
    • C09B29/0088C09B29/3639C09D11/32C09D11/328
    • [Method for solving the problems]The present invention relates to an azo compound represented by the following Formula (1) in free acid form or a salt thereof, [KA 1] (wherein, D represents a residual group of aromatic ring or heterocyclic diazo components, R1 represents a hydrogen atom, a C1 to C4 alkyl group or a trifluoromethyl group, R2 represents a hydrogen atom, a cyano group or a carbamoyl group, R3, R4, R5 and R6 may be the same or different respectively and each represents a hydrogen atom, a C1 to C4 alkyl group substituted by a sulfonic acid group or a carboxyl group) and an ink composition characterized by comprising the same, and said composition is excellent in storage stability, exhibits orange color by itself and hue with highly vividness when used for inkjet recording, provides strong fastnesses such as light fastness and ozone fastness of a recorded article, and is suitable for inkjet recording.
    • [解决问题的方法]本发明涉及游离酸形式的下式(1)表示的偶氮化合物或其盐[KA 1](其中,D表示芳香环或杂环重氮的残基 R 1表示氢原子,C 1〜C 4烷基或三氟甲基,R 2表示氢原子,氰基或氨基甲酰基,R R 3,R 4,R 5和R 6可以相同或不同,并且各自表示氢 原子,被磺酸基或羧基取代的C1至C4烷基)和油墨组合物,其特征在于包含该组合物,并且所述组合物的储存稳定性优异,本身显示橙色,使用时具有高度鲜艳度的色调 对于喷墨记录,提供记录物品的耐光牢度和耐臭氧牢度等牢固性,适用于喷墨记录。