Patent ID: 9034464
Filing Date: 2015-05-19
Classification: C08F,C08G,C08J,C09D

Abstract:
1. A hydrophilic cured product obtained by polymerizing a mixture containing: a polyvalent monomer (II) having two or more (meth)acryloyl groups, and a compound (IV), wherein the compound (IV) contained in the mixture is at least one compound selected from a group of compounds represented by the following general formulas (100), (200) and (300): wherein D 1 is a mercapto group, an amino group, a methylamino group or an ethylamino group, Z is a hydrogen ion, an ammonium ion, an amine ion, an alkaline metal ion or ½ equivalent of an alkaline earth metal ion, R 1 and R 2 are each independently H, a methyl group, an ethyl group, a methoxy group or an ethoxy group, and nn is an integer of 1 to 10, wherein D 2 , R 3 and SO 3 Z are each a group bonded to carbon on a ring contained in the above formula, each D 2 is independently a mercapto group, an amino group, a methylamino group, an ethylamino group or a hydroxyl group, Z is a hydrogen ion, an ammonium ion, an amine ion, an alkaline metal ion or ½ equivalent of an alkaline earth metal ion, each R 3 is independently H, a methyl group, an ethyl group, a methoxy group, an ethoxy group, a fluorine atom, a chlorine atom, a bromine atom or an iodine atom, k is an integer of 0 to 10, l and m are each independently an integer of 1 to 11, k, l and m are numbers satisfying the condition of k+l+m=2 to 6+2n, and n is an integer of 0 to 3, wherein D 2 , R 3 and SO 3 Z are each a group bonded to carbon on a ring contained in the above formula, each D 2 is independently a mercapto group, an amino group, a methylamino group, an ethylamino group or a hydroxyl group, Z is a hydrogen ion, an ammonium ion, an amine ion, an alkaline metal ion or ½ equivalent of an alkaline earth metal ion, each R 3 is independently H, a methyl group, an ethyl group, a methoxy group, an ethoxy group, a fluorine atom, a chlorine atom, a bromine atom or an iodine atom, r is an integer of 0 to 6, q and p are each independently an integer of 1 to 7, and p, q and r are numbers satisfying the condition of p+q+r=an integer of 2 to 8, and the amount of the compound (IV) added based on 100 parts by weight of the polyvalent monomer (II) is in the range of 0.01 to 200 parts by weight.