Composites containing surface treated carbon microfibers

Details Composites containing surface treated carbon microfibers Composites containing surface treated carbon microfibers

1995-05-23

1999-10-12

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Refractory

501 952, 423460, 4234471, 4234472, 428367, 428398, 428376, 428457, 428688, 524424, B32B 900

Patent

active

059654708

ABSTRACT:
A method of oxidizing the surface of carbon microfibers that includes contacting the microfibers with an oxidizing agent that includes sulfuric acid and potassium chlorate under reaction conditions sufficient to oxidize the surface. The invention also features a method of decreasing the length of carbon microfibers that includes contacting the microfibers with an oxidizing agent under reaction conditions sufficient to decrease the length.

REFERENCES:
patent: 3746560 (1973-07-01), Goan et al.
patent: 3964952 (1976-06-01), Brie et al.
patent: 3989802 (1976-11-01), Joo et al.
patent: 4009305 (1977-02-01), Fujimaki et al.
patent: 4284615 (1981-08-01), Maruyama
patent: 4388289 (1983-06-01), Shepherd et al.
patent: 4663230 (1987-05-01), Tennant
patent: 4816289 (1989-03-01), Komatsu et al.
patent: 4855122 (1989-08-01), Kitamura et al.
"Carbon Fibers" Carbon, vol. 2, pp. 640-663 (Date unknown).
Baker, R.T.K., "Catalytic Growth of Carbon Filaments" Carbon 27, pp. 315-323 (1989); (no month).

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