Fluororesin composites

Details Fluororesin composites Fluororesin composites

1994-02-08

1997-01-14

Nakarani, D. S.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428401, 428408, 428421, 428422, 428902, 4234471, 4234472, 4234476, 4234477, B32B 2704, B32B 2720, B32B 2728, D01F 912

Patent

active

055937764

ABSTRACT:
The fluororesin composite material with high mechanical strength characteristics and wear resistance comprising 99 to 40 parts by weight of a fluororesin, e.g. polytetrafluoroethylene, and 1 to 60 parts by weight of a carbon fiber wherein the carbon fiber has an interplanar spacing d(002) of 3.36 to 3.45 .ANG., a c-axis crystallite dimension (Lc) of 35 to 400 .ANG. and an a-axis crystallite dimension (La) of 40 to 800 .ANG.. The carbon fiber obtained by heat-treating a precursor fiber, previously infusiblized or flame resistance-treated, in an inert gas containing 20 to 5,000 ppm of an oxygen-containing gas at a temperature of 2,500.degree. to 3,00.degree. C.

REFERENCES:
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patent: 4610918 (1986-09-01), Effenberger et al.
patent: 4816289 (1989-03-01), Komatsu et al.
patent: 4983457 (1991-01-01), Hino et al.
patent: 5061413 (1991-10-01), Uemura et al.
patent: 5300366 (1994-04-01), Nakamaru et al.

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