| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photocurable inkjet ink that is cured with a small amount of photopolymerization initiator added by low photoirradiation energy and suppresses discoloration after ink curing and exudation and volatilization of polymerization initiator. <P>SOLUTION: The photocurable inkjet ink comprises a monomer, a pigment and a thioxanthone-based photopolymerization initiator in which at least one carboxy group is introduced into thioxanthone, for example, having a specific chemical structure represented by general formula (1). <P>COPYRIGHT: (C)2010,JPO&INPIT |
