| 摘要 |
<p>A photopolymerizable composition comprising an ethylenically unsatured compound capable of addition polymerization and the following coloring matter (a) and polymerization initiator (b): (a): a compound of formula (I), wherein R1 represents hydrogen, C1 to C3 alkyl, phenyl or halogen; R2 represents methyl, ethyl or (CH2)p-Q, wherein Q represents carboxyl, sulfonyl or a salt thereof, and p represents an integer of 1 to 4; X1 and X2 represent each independently -O-, -S, -CH=CH- or &rdurule& N-R2; Y1 and Y2 represent each independently hydrogen, C1 to C3 alkyl, C1 to C3 alkoxy, phenyl or halogen; Z represents -COO or -SO3; m is 0 or 1; and n represents an integer of 1 to 4; (b); a diaryliodonium salt. <CHEM></p> |
