| 摘要 |
PURPOSE: To enable polymerization of the composition to be started by exposure to light in a specified wavelength region by using a polymerization initiator comprising a chlorinated acridine and a triazine or quinazolinone compound substituted by a kind of mono-, di-, or tri-halomethyl group in a specified weight proportion. CONSTITUTION: The photopolymerizable composition comprises the photopolymerizable compound having one terminal ethylenically unsaturated group and the photopolymerization initiator mixture comprising the chlorinated acridine compound and the triazine or quinazolinone compound substituted by mono-, di-, or tri-halomethyl group in an acridine:triazine or quinazolinone weight ratio of about 1:20 - about 4:1 in the photopoly-merization initiators.
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