Patent ID: 6710097
Filing Date: 2004-03-23
Classification: C08F,C08G

Abstract:
A photocurable resin composition comprising:(A) a urethane (meth)acrylate produced by reacting at least a diol shown by the following formula (2), a polyether polyol with a number average molecular weight of 500 or more having an alkyleneoxy structure in the molecule, an organic polyisocyanate compound, and a (meth)acrylate containing a hydroxyl group, wherein each R3 individually represents a hydrogen atom or a methyl group, each R4 individually represents an oxygen atom or sulphur atom, R5 represents â€”CH2â€”, â€”C(CH3)2â€”, â€”Sâ€”, â€”SOâ€”, or â€”SO2â€”, X1, X2, X3, and X4 individually represent a hydrogen atom, a methyl group, or bromine atom, and m and n represent integers from 0 to 9,(B) a monofunctional (meth)acrylate shown by the following formula (1), wherein R1 represents a hydrogen atom or a methyl group, R2 represents â€”(CH2CH2O)pâ€”, â€”(CH(CH3)CH2O)qâ€”, or â€”CH2CH(OH)CH2Oâ€”, Y1, Y2, and Y3 individually represent a hydrogen atom, bromine atom, alkyl group having 1-10 carbon atoms, phenyl group, or â€”C(CH3)2C6H5â€”, and p and q represent integers from 0 to 10; and(C) a photoinitiator.