| 摘要 |
PROBLEM TO BE SOLVED: To provide a photopolymerization initiator efficiently polymerizing a cationically polymerizable monomer by the irradiation with visible light. SOLUTION: The composition usable as the polymerization initiator comprises (A) a photo acid-generating compound such as a diaryliodonium salt (e.g. diphenyliodonium and bis(p-chlorophenyl)iodonium), (B) a photo oxidation radical-generating compound such as a diarylketone compound, anα-diketone compound and a ketocoumarin compound, and (C) a fused polycyclic aromatic compound such as 1,4-dimethylnaphthalene, 1-methylanthracene, 9-methylanthracene, 9,10-dimethylanthracene and 9,10-diethylanthracene, having a saturated carbon atom having at least one hydrogen atom and bonded to a carbon atom adjacent to a fused carbon atom of the fused polycyclic aromatic ring. COPYRIGHT: (C)2004,JPO&NCIPI
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