申请人:Toshiba Tec Kabushiki Kaisha
公开号:EP1621593A1
公开(公告)日:2006-02-01
There is proposed an inkjet ink comprising a compound represented by the following general formula (1), a cationic photopolymerization initiator, a cationic photopolymerizable compound, and a pigment having an average particle diameter of 300 nm or less, wherein the cationic photopolymerization initiator is included at a ratio of 0.5% by weight to 8% by weight based on 100% by weight.of the cationic photopolymerizable compound, and the inkjet ink has a viscosity of 50 mPa·sec or less at ordinary temperature,
(wherein R is a monovalent organic group having 1 to 5 carbon atoms, R1 and R2 may be the same or different and are individually hydrogen atom or alkyl group, alkyl sulfonyl group or alkoxy group each having 1 to 3 carbon atoms).
建议采用一种喷墨墨水,该墨水由以下通式(1)表示的化合物、阳离子光聚合引发剂、阳离子可光聚合化合物和平均颗粒直径为 300 纳米或更小的颜料组成,其中阳离子光聚合引发剂的含量比例为 0.5%(按重量计)至 8%(按重量计)(基于阳离子可光聚合化合物的 100%(按重量计)),并且该喷墨墨水在常温下的粘度为 50 毫帕-秒或更小、
(其中 R 是具有 1 至 5 个碳原子的单价有机基团,R1 和 R2 可以相同或不同,且各自为氢原子或烷基、烷基磺酰基或烷氧基,每个基团具有 1 至 3 个碳原子)。