| 摘要 |
PROBLEM TO BE SOLVED: To provide an epoxy resin composition having excellent flame retardancy, heat resistance and mechanical characteristics and having fast curing properties useful particularly in the manufacture of electronic and electric part housings, and to provide a prepreg and a fiber-reinforced composite material. SOLUTION: The epoxy resin composition contains at least specific epoxy resins [A] and [B], an amine-based curing agent [C], a curing accelerator [D], and a phosphorus atom-containing compound [E], wherein blending quantities of the component [A] and the component [B] satisfy conditions of the expressions 1, 2 and 3 and a blending quantity of the component [E] is 0.2-3 mass% in terms of a phosphorus atom content in the entire epoxy resin composition: (expression 1) [A]/([A]+[B]+[C])≥0.05, (expression 2) [B]/([A]+[B]+[C])≥0.05, (expression 3) ([A]+[B])/([A]+[B]+[C])≥0.8. COPYRIGHT: (C)2011,JPO&INPIT
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