Patent ID: 6288136
Filing Date: 2001-09-11
Classification: C08F,C09D,Y10T

Abstract:
A radiation curable resin composition for cast polymerization, comprising:(A) 20-94.9& by weight of a (meth)acryloyl group-containing compound (hereinafter called ""component (A)"") represented by the following general formula: ##STR16##wherein R.sup.1 represents a hydrogen atom or a methyl group, R.sup.2 represents an alkylene group or a hydroxyalkylene group having 2-6 carbon atoms, R.sup.3 represents a divalent organic group, n denotes an integer from 0 to 6, m denotes an integer from 1 to 10, and L denotes an integer from 0 or 1;(B) 5-79.9% by weight of a (meth)acryloyl group-containing compound (hereinafter called ""component (B)"") represented by the following general formula: ##STR17##wherein R.sup.4 represents a hydrogen atom or a methyl group, R.sup.5 represents an alkylene group having 2-6 carbon atoms, and p denotes an integer from 1 to 16; and(C) 0.1 to 10% by weight of a radiation active initiator (hereinafter called ""component (C)"") having molar absorption coefficients of 100 L.multidot.mol.sup.31 1.multidot.cm.sup.-1 or more at a wave length of 360 nm and of 100 L.multidot.mol.sup.31 1.multidot.cm.sup.-1 or less at a wave length of 450 nm.