| 摘要 |
PURPOSE:To provide the title composition greater in the elongation of the resulting resin than that of the reinforcing fiber to he used, thus contributing to higher strength of the aimed fiber-reinforced resin, comprising bisphenol A as the major component and each specific curing agent and curing promoter. CONSTITUTION:The objective composition comprising (A) bisphenol A 400 -490 in molecular weight as the major component, (B) an acid anhydride as curing agent (pref. methyl hydroxyphthalic anhydride) and (C) an imidazole-based organic heterocyclic compound as curing promoter. |
