申请人:Seiko Epson Corporation
公开号:EP3885413A1
公开(公告)日:2021-09-29
A radiation curable ink jet composition includes polymerizable compounds; and a photopolymerization initiator, the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by the following general formula (I), a content of the vinyl ether group-containing (meth)acrylate with respect to a total mass of the radiation curable inkjet composition is 15 percent by mass or more, and the photopolymerization initiator includes ethyl (2,4,6-trimethylbenzoyl)phenylphosphinate.
H2C=CR1-CO-OR2-O-CH=CH-R3 (I)
In the above formula, R1 represents a hydrogen atom or a methyl group, R2 represents a divalent organic residue having 2 to 20 carbon atoms, and R3 represents a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms.
一种可辐射固化的喷墨组合物包括可聚合化合物;以及光聚合引发剂,可聚合化合物包括由以下通式(I)表示的含乙烯基醚基(甲基)丙烯酸酯,含乙烯基醚基(甲基)丙烯酸酯的含量占可辐射固化的喷墨组合物总质量的 15% 或以上,光聚合引发剂包括(2,4,6-三甲基苯甲酰基)苯基膦酸乙酯。
h2c=cr1-co-or2-o-ch=ch-r3 (i)
在上式中,R1 代表氢原子或甲基,R2 代表具有 2 至 20 个碳原子的二价有机残基,R3 代表氢原子或具有 1 至 11 个碳原子的一价有机残基。