| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain an active ray-curable ink composition that has excellent curability, bleeding of cured image, repeated durability to washing or physical rubbing. <P>SOLUTION: The active ray-curable ink composition comprises at least a cationic polymerizable compound, a compound represented by general formula R<SP>1</SP>[CR<SP>2</SP>R<SP>3</SP>-OH]<SB>n</SB>(R<SP>1</SP>is selected from a polycyclic aryl and a polycyclic heteroaryl which may be substituted with one or more electron donating groups; R<SP>2</SP>and R<SP>3</SP>are each selected from hydrogen, an alkyl, an aryl, an alkylaryl, a substituted alkyl, a substituted aryl and a substituted alkylaryl; n is an integer of 1-10) and a specific sulfonium salt having a chemical structure in which three phenyl groups are bonded to one sulfur atom. <P>COPYRIGHT: (C)2007,JPO&INPIT |
