NOVEL COMPOUND HAVING XANTHENE DERIVATIVE MULTIMERIC STRUCTURE, COLORED COMPOSITION, INK FOR INKJET RECORDING, INKJET RECORDING METHOD, COLOR FILTER, AND COLOR TONER
申请人:Fujifilm Corporation
公开号:EP2752464A1
公开(公告)日:2014-07-09
An object of the invention is to provide a novel compound having a multimer structure of a specific xanthene derivative which is capable of providing a printed matter having further improved in performances concerning image fastness such as ozone resistance, light fastness and the like.
A compound represented by formula (1):
in formula (1), L represents a divalent to tetravalent linking group; D represents a residue obtained by removing 1 to 5 hydrogen atoms from a compound represented by formula (2); m represents an integer of 1 to 10, however, each L may be the same with or different from every other L; n represents an integer of 2 to 10, however, each D may be the same with or different from every other D; and in formula (2), each of R4 to R24 independently represents a hydrogen atom or a substituent, provided that formula (2) has at least one or more ionic hydrophilic groups.
本发明的目的是提供一种新型化合物,该化合物具有特定氧杂蒽衍生物的多聚体结构,能够使印刷品的耐臭氧性、耐光牢度等图像牢度性能得到进一步提高。
由式(1)表示的化合物:
在式 (1) 中,L 代表二价至四价连接基团;D 代表通过从式 (2) 所代表的化合物中去除 1 至 5 个氢原子而得到的残余物;m 代表 1 至 10 的整数,但每个 L 可以与其他 L 相同或不同;在式 (2) 中,R4 至 R24 各自独立地代表氢原子或取代基,条件是式 (2) 具有至少一个或多个离子亲水基团。