Patent ID: 8853346

Claim:
A curable composition comprising (A) an episulfide compound represented by the following general formula (2): wherein n is an integer of 0 to 4, m is an integer of 0 to 6, R 7 and R 8 are each independently a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms and R 9 and R 10 are each independently a hydrocarbon group having 1 to 10 carbon atoms; and (B) a polymerization catalyst comprising a tetraalkylphosphonium dialkylphosphate represented by the following general formula (1): wherein R 1 to R 6 are the same or different, an alkyl group having 1 to 8 carbon atoms or an alkyl group having a hydroxyl group and 1 to 8 carbon atoms, and linear, branched or cycloaliphatic.