Process for producing carbon fibers from mesophase pitch

Details Process for producing carbon fibers from mesophase pitch Process for producing carbon fibers from mesophase pitch

1974-10-31

1976-08-10

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

208 39, 264 292, 423448, 4234476, C01B 3107

Patent

active

039742644

ABSTRACT:
An improved process for producing carbon fibers from pitch which has been transformed, in part, to a liquid crystal or so-called "mesophase" state. According to the process, pitch of a given mesophase content, suitable for producing carbon fibers, is produced in substantially shorter periods of time than heretofore possible, at a given temperature, by passing an inert gas through the pitch during formation of the mesophase.

REFERENCES:
patent: 1296244 (1919-03-01), Wells
patent: 1418893 (1922-06-01), Weiss
patent: 1918283 (1933-07-01), Miller
patent: 3595946 (1971-07-01), Joo
patent: 3629379 (1971-12-01), Otani
patent: 3702054 (1972-11-01), Araki et al.
patent: 3787541 (1974-01-01), Grindstaff et al.
patent: 3919376 (1975-11-01), Schulz
patent: 3919387 (1975-11-01), Singer

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