| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonwoven fabric of a flameproof fiber, having light weight and excellent mechanical characteristics; to provide a nonwoven fabric of a carbon fiber; to provide an intermediate base material for a fiber-reinforced composite material; and to provide the fiber-reinforced composite material having excellent mechanical characteristics and good shape in good productivity. SOLUTION: The nonwoven fabric of the flameproof fiber has 1-30 mm thickness, 50-1,000 g/m<SP>2</SP>weight and 0.01-0.15 g/cm<SP>2</SP>bulk density. The nonwoven fabric of the carbon fiber has 1-30 mm thickness, 50-1,000 g/m<SP>2</SP>weight and 0.01-0.15 g/cm<SP>2</SP>bulk density. The intermediate base material for the fiber-reinforced composite material comprises the nonwoven fabric of the carbon fiber and a thermoplastic resin. The fiber-reinforced composite material is obtained by using the intermediate base material for the fiber-reinforced composite material. COPYRIGHT: (C)2006,JPO&NCIPI
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