Method for producing carbon fibers

Details Method for producing carbon fibers Method for producing carbon fibers

1974-02-20

1976-10-26

Woo, Jay H.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 292, 264DIG19, C01B 3102, D01F 912, D01F 640

Patent

active

039884260

ABSTRACT:
Carbon fibers having high tenacity and high modulus of elasticity can be obtained with a high carbonization yield and within a short period of time by heat-carbonizing acrylonitrile polymer fibers comprising a copolymer composed mainly of acrylonitrile and a compound expressed by the general formula of ##EQU1## wherein R is hydrogen or methyl group, A is an alkoxy group having 1 - 4 carbon atoms, B is a halogenated alkoxy group having 1 - 4 carbon atoms (wherein halogen is chlorine, bromine or iodine), n is 0 - 2, m is 0 - 2 and n + m is 2.

REFERENCES:
patent: 2888434 (1959-05-01), Shashoua
patent: 3036052 (1962-05-01), Biev et al.
patent: 3062792 (1962-11-01), McConnell et al.
patent: 3632798 (1972-01-01), Morita et al.
patent: 3695925 (1972-10-01), Weil
patent: 3736309 (1973-05-01), Gump et al.
patent: 3809685 (1974-05-01), Sato et al.
patent: 3824222 (1974-07-01), Shichijo et al.

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