| abstract |
The initiator composition is effectively used for a photopolymerizable resin composition which comprises a photopolymerizable compound having a double bond for polymerization and a polymer binder and comprises (A) thioxanthone or a substituted thioxanthone and (B) an oxime ester of the formula: <IMAGE> wherein R1 and R2 may be the same or different and represent each an alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted phenyl, naphthyl, anthryl, pyridyl or quinolyl group or R1 and R2 may be bonded together to form a ring, and R3 represents an alkyl group having 1 to 5 carbon atoms or a substituted or unsubstituted aryl group. |