CATION-POLYMERIZABLE RESIN COMPOSITION AND CURED PRODUCT THEREOF

摘要

A cation-polymerizable resin composition is provided which has a low viscosity, is easy to work with, and cures extremely rapidly when irradiated with light to obtain a cured product with excellent transparency, flexibility, heat resistance and post heat-treatment flexion. The cation-polymerizable resin composition of the present invention is characterized by containing: (A) an oxetane ring-containing vinyl ether compound, and/or (B) an alicyclic epoxy group-containing vinyl ether compound; (C) an oligomer or polymer having a molecular weight of at least 500 and having at least one of an oxetane group, epoxy group, hydroxyl group, vinyl ether group, an aliphatic or alicyclic unsaturated hydrocarbon group within the molecule; and (D) an oxetane compound having at least 6 carbon atoms and not having a vinyl ether group.