Method for preparing carbon fibers

Details Method for preparing carbon fibers Method for preparing carbon fibers

1981-09-18

1983-06-21

Woo, Jay H.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 292, C01B 3107

Patent

active

043893872

ABSTRACT:
The present invention relates to a method for preparing carbon fibers from a pitch by melt-spinning the pitch, infusibilizing the pitch fibers with a mixture of air and a gaseous oxidizing agent in an infusibilizing furnace divided into at least two chambers arranged in series under the condition of a velocity of the circulation gas in a specified range and then carbonizing the thus treated pitch fibers into carbon fibers.

REFERENCES:
patent: 4014725 (1977-03-01), Schulz
patent: 4032607 (1977-06-01), Schulz
patent: 4314981 (1982-02-01), Miyamori et al.

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