申请人:Nippon Kayaku Kabushiki Kaisha
公开号:EP2441806A1
公开(公告)日:2012-04-18
Provided is a porphyrazine dye suitable for use in ink-jet recording, the porphyrazine dye giving a cyan ink with a satisfactory hue, having various excellent fastness properties, in particular, ozone resistance, and attaining a high color density. Also provided is an ink composition containing the dye. The porphyrazine dye is a porphyrazine dye represented by formula (1) or a salt thereof. In formula (1), rings A to D each independently represents a benzene ring, a nitrogenous heteroaromatic ring, etc.; E represents an alkylene; X represents sulfoanilino, etc.; R represents a hydrogen atom, sulfo, carboxy, etc.; group F represents phenyl, a nitrogenous heteroaromatic ring, etc.; a is an integer of 1-6; b is 0.00-3.90, excluding 3.90, on average; c is 0.10-4.00, excluding 4.00, on average; and the sum of b and c is 1.00-4.00, excluding 4.00, on average.
本发明提供了一种适用于喷墨记录的卟吩嗪染料,该卟吩嗪染料可产生色调令人满意的青色墨水,具有各种优异的牢度特性,特别是耐臭氧性,并可获得较高的色密度。此外,还提供了一种含有该染料的墨水组合物。卟啉染料是由式(1)表示的卟啉染料或其盐。在式 (1) 中,环 A 至 D 各自独立地代表苯环、氮杂芳环等;E 代表亚烷基;X 代表磺酰苯胺等;R 代表氢原子、磺基、羧基等。基团 F 代表苯基、含氮杂芳香环等;a 为 1-6 的整数;b 平均为 0.00-3.90,不包括 3.90;c 平均为 0.10-4.00,不包括 4.00;b 和 c 之和平均为 1.00-4.00,不包括 4.00。