| abstract |
(57) 【Abstract】 PROBLEM TO BE SOLVED: To use so-called halogen-free and antimony-free without using halogen compounds and antimony compounds at all, excellent in electrical characteristics and flame retardancy, and highly reliable flame retardant corresponding to environmental problems. Provided is a transparent epoxy resin composition. SOLUTION: A flame retardant composed of (A) epoxy resin, (B) (a) metal hydrate, (B) phosphine oxide and (c) melamine cyanurate, (C) acid anhydride and (D) curing. A flame-retardant epoxy resin composition containing an accelerator as an essential component. |