Patent ID: 7532795

Claim:
A radiation-curable liquid resin composition comprising: (A) 20-90 wt % of a urethane(meth)acrylate oligomer component comprised of at least first and second different urethane(meth)acrylate oligomers, wherein the first urethane(meth)acrylate oligomer is present in an amount of 10-80 wt. % and is the reaction product of a polyisocyanate compound (b) and a hydroxy-functional ethylenically unsaturated monomer (c), and (B) 1-35 wt % of a monomer component according to the following formula (1), wherein R 1 represents a hydrogen atom or a methyl group, R 2 and R 3 individually represent a hydrogen atom or an alkyl group having 1-4 carbon atoms, R 4 represents a hydrogen atom or a methyl group, and n represents an integer of 1-6.