Epoxy Resin and Epoxy Resin Composition

摘要

[PROBLEMS] The present invention relates to a crystalline epoxy resin, which gives a cured object excellent in various properties including flame retardancy, low water absorption, and impact resistance. The object of the present invention is to provide epoxy resin which is useful as an optical material, an epoxy resin composition containing crystals of the epoxy resin having excellent storage stability and a cured object obtained from the composition. [MEANS FOR SOLVING PROBLEMS] The crystalline epoxy resin obtained by the glycidylation of the compound represented by the following formula (1).