申请人:Mitsui Chemicals, Inc.
公开号:EP1441013A1
公开(公告)日:2004-07-28
Aqueous ink which contains compounds having one or more structures represented by general formula (1) in a molecule or salts thereof and which has a clear hue and is excellent in light fastness and moisture resistance is provided.
wherein each of R1 to R5 and R7 independently, represents a hydrogen atom, a halogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted alkenyl group, an unsubstituted or substituted aryl group, a hydroxyl group, -COOH, -SO3H, -CONR8R9 or -COXR10, and R6 represents a hydrogen atom, a cyano group, an aminocarbonyl group, a sulfomethyl group or -SO3H
本发明提供了一种水性油墨,其分子中含有具有通式(1)所代表的一种或多种结构的化合物或其盐类,该油墨具有透明的色调和优异的耐光性和防潮性。
其中 R1 至 R5 和 R7 各自独立地代表氢原子、卤素原子、未取代或取代的烷基、未取代或取代的烷氧基、未取代或取代的烯基、未取代或取代的芳基、羟基、-COOH、-SO3H、-CONR8R9 或 -COXR10,R6 代表氢原子、氰基、氨基羰基、磺酰基或 -SO3H