Carbon fibers from SRC pitch

Details Carbon fibers from SRC pitch Carbon fibers from SRC pitch

1980-03-03

1981-06-09

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

208 8LE, 264 292, 4234474, 4234476, D01F 914

Patent

active

042725011

ABSTRACT:
This invention relates to an improved method of manufacturing carbon fibers from a coal derived pitch. The improvement resides in the use of a solvent refined coal which has been hydrotreated and subjected to solvent extraction whereby the hetero atom content in the resulting product is less than 4.0% by weight and the softening point is between about 100.degree.-250.degree. F.

REFERENCES:
patent: 4146576 (1979-03-01), Wyss
"The Engineer" Jul. 2, 1970, pp. 30+31.

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