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Reveals high conductivity extend to the longitudinal direction of the fiber on the surface of the carbon fiber flux and the chopped carbon fiber flux and the carbon
Reveals high conductivity extend to the longitudinal direction of the fiber on the surface of the carbon fiber flux and the chopped carbon fiber flux and the carbon
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机译:显示出高导电性,延伸到碳纤维焊剂和切碎的碳纤维焊剂和碳纤维表面上的纤维纵向
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摘要
PROBLEM TO BE SOLVED: To provide a carbon fiber bundle and chopped carbon fiber bundle for fiber reinforced resins expressing high conductivity and to provide a carbon fiber reinforced resin composition that has chopped fiber bundle, sufficient conductivity and mechanical strength.;SOLUTION: The carbon fiber bundle for carbon fiber reinforced resin comprises monofilaments having wrinkles elongating along the longitudinal direction on the fiber surface, and the filaments having a difference between peak and valley of ≥40nm in circumference length in the range of 2 μm and major radius/minor radius ratio of cross section of 1.03-1.10, and the basis weight of the filament is 0.015-0.050mg/m, and ≥4,600MPa of strand strength and 200-340GPa of strand modulus. The carbon fiber reinforced resin composition comprises chopped carbon fiber bundle with basis weight of 0.15-5g/m, cut length of 1-50mm, width/thickness ratio of 2-10 of chopped carbon fiber bundle with flat cross section, and the resin contains 5-40mass.% of chopped fiber bundles to a matrix resin.;COPYRIGHT: (C)2004,JPO&NCIPI
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