Patent ID: 9605143
Date: 2017-03-28
CPC Classifications: C08G,C08L,C09D,G02B

Claim:
1. A resin composition for forming an optical waveguide, comprising (A) a polymer having a hydroxyl group and/or a carboxyl group, (B) a (meth)acrylate having a urethane bond, (C) a polyfunctional blocked isocyanate compound, and (D) a radical polymerization initiator, but not comprising (E) a (meth)acrylate having no urethane bond, wherein the component (B) contains a (meth)acrylate having a carboxyl group, a urethane bond, and a polyether skeleton, wherein the component (A) contains a (meth)acrylic polymer that has at least one of structural units represented by the following general formulae (1) and (2) and has a structural unit represented by the following general formula (3): wherein R wherein R wherein R wherein the component (A) further has a structural unit represented by the general formula (4): wherein R