Patent ID: 8399569

Claim:
A curable composition containing an ethylenically-unsaturated-group containing reactive urethane compound (A) represented by formula (II) and a polymerization initiator (B): wherein R 5 is a hydrogen atom or a methyl group; R 6 is an oxygen atom, a sulfur atom, or an imino group; n is 2; m is an integer of 1 to 300; and X is a polymer compound residue that has repeating units containing a functional group having active hydrogen, wherein the functional group having active hydrogen is a hydroxyl group, and the polymer compound is a polyhydroxy compound, wherein the polyhydroxy compound is a polyester polyol compound, a polycarbonate polyol compound, a polyurethane polyol compound, a homopolymer or copolymer of a hydroxyalkyl(meth)acrylate, or an epoxy(meth)acrylate compound.