| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a carbon-fiber reinforced composite material having both an excellent dynamic property and conductivity. <P>SOLUTION: A prepreg includes at least [A] a continuous carbon fiber, [B] an epoxy resin composition, [C] thermoplastic resin particles, and [D] conductive particles, wherein the atomic number ratio [O/C] of the total carbon atoms and the total oxygen atoms, which are observed by X-ray photoelectron spectroscopy, is ≤0.12 in [A] the continuous carbon fiver, the glass transition temperature Tg of a cured material, which is obtained by heating at 180°C for 2 h, is ≥150°C in [B] the epoxy resin composition, and also the rubbery plateau rigidity G'(R) in the temperature range of Tg and the glassy plateau rigidity G'(30°C) at 30°C satisfy 100≤G'(30°C)/G'(R). <P>COPYRIGHT: (C)2013,JPO&INPIT |
