Production of carbon fibers having high anisotropy

Details Production of carbon fibers having high anisotropy Production of carbon fibers having high anisotropy

1976-12-29

1978-09-19

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 292, 4234476, D01F 914

Patent

active

041155270

ABSTRACT:
In the production of carbon shaped articles such as fibers having high molecular orientation, anisotropy, strength, and modulus of elasticity through the steps of forming raw material pitch into fibers, infusibilization of the same followed by carbonization optionally graphitization, a raw material pitch having particular physical properties such as melt viscosity of 0.4 to 700 poises at a temperature range of 320.degree. to 480.degree. C, eminent structural anisotropy, and fluidity is used to produce such fibers product.

REFERENCES:
patent: RE22794 (1973-10-01), Otani
patent: 3629379 (1971-12-01), Otani
patent: 3702054 (1972-11-01), Araki et al.
patent: 3787541 (1974-01-01), Grindstaff et al.
patent: 4005183 (1977-01-01), Singer
patent: 4032430 (1977-06-01), Lewis

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