| 摘要 |
A fiber-reinforced resin composition, which comprises: an epoxy resin having at least two epoxy groups in the molecule, a polymerizable unsaturated group-containing epoxy compound of the following general formula [I], <IMAGE> [I] wherein R1 is H or CH3, R2 is an alkylene group having 1 to 20 carbon atoms, and n is an integer of 0 to 20, a liquid carboxylic acid anhydride containing a monofunctional carboxylic acid anhydride and/or a polyfunctional carboxylic acid anhydride obtained by reacting a lower aliphatic polyhydric alcohol with a trimellitic acid or a derivative thereof, a curing promoter, a radical polymerization initiator, and a fiber, the glass transition temperature (Tg, DEG C.) and breaking strain (E, %) of a cured product of said composition satisfying the following formulae: Tg>/=-17E+240 E>/=4, and Tg>/=125.
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