Patent ID: 11898042
Assignee: SEIKO EPSON CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A photocurable ink composition for ink jet recording, comprising:
polymerizable compounds;
a photopolymerization initiator; and
a colorant,
wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I):

CH2═CR1—COOR2—O—CH═CH—R3  (I)

(wherein R1 is a hydrogen atom or a methyl group, R2 is a divalent organic residue having 2 to 20 carbon atoms, and R3 is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate, polyfunctional (meth)acrylate,
wherein the content of the phenoxyethyl (meth)acrylate is 9 to 60% by mass relative to the total mass of the ink composition,
wherein the photopolymerization initiator contains 15% by mass or less of an acylphosphine oxide compound relative to the total mass of the ink composition.