Patent ID: 7691555

Claim:
A coating composition comprising a photocurable composition including (A) an episulfide compound containing a thiirane ring, wherein the compound (A) is represented by the following general formula (4): wherein m is an integer of 0 to 4; and n is an integer of 0 to 2; and (B) a photo-base generator represented by the general formula (1): wherein Ar is phenyl, biphenyl, naphthyl, phenathryl, anthracyl, pyrenyl, 5,6,7,8-tetrahydro-2-naphthyl, 5,6,7,8-tetrahydro-1-naphthyl, thienyl, benzo[b]thienyl, naphtho[2,3-b]thienyl, thianthrenyl, dibenzofuryl, chromenyl, xanthenyl, thioxanthyl, phenoxanthinyl, terphenyl, stilbenzyl or fluorenyl which may be unsubstituted, or mono- or poly-substituted with an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 3 to 18 carbon atoms, an alkynyl group having 3 to 18 carbon atoms, a haloalkyl group having 1 to 18 carbon atoms, NO 2 , OH, ON, OR 1 , SR 2 , C(O)R 3 , C(O)OR 4 or halogen wherein R, R 1 , R 2 , R 3 and R 4 are respectively hydrogen or an alkyl group having 1 to 18 carbon atoms; —A + is an ammonium ion selected from the group consisting of those represented by the structural formulae (2): wherein L is 1 or 0; and R 5 is an alkyl group having 1 to 5 carbon atoms; and X − is a borate anion, an N,N-dimethyldithiocarbamate anion, an N,N-dimethylcarbamate anion, a thiocyanate anion or a cyanate anion; and (C) a modified silicone oil, wherein amount of the modified silicone oil included in the coating composition is 0.005 to 4.0 parts by weight based on 100 parts by weight of the thiirane ring-containing episulfide compound.