Patent ID: 7888399

Claim:
A curable composition comprising a thiol compound containing two or more groups represented by formula (1): wherein R 1 and R 2 independently represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an aromatic ring; m represents 0 or an integer of 1 to 2; n represents 0 or 1; and a urethane compound containing an ethylenically unsaturated double bond represented by formula (13): wherein R 14 represents an oxygen atom, a sulfur atom or an imino group; R 15 represents a hydrogen atom or a methyl group; and (i) X represents a group selected from an aliphatic group, an aromatic group, and a heterocyclic ring, and q represents an integer of 2 to 4; or (ii) X represents an alcohol residue of 2-hydroxyethyl(meth)acrylate and q represents 1 and/or formula (15): wherein R 18 represents an oxygen atom, a sulfur atom or an imino group; R 19 represents a hydrogen atom or a methyl group; and (i) X represents a group selected from an aliphatic group, an aromatic group, and a heterocyclic ring, and q represents an integer of 2 to 4; or (ii) X represents an alcohol residue of 2-hydroxyethyl(meth)acrylate and q represents 1.