Pitch for direct spinning into carbon fibers derived from a stea

Details Pitch for direct spinning into carbon fibers derived from a stea Pitch for direct spinning into carbon fibers derived from a stea

1984-09-04

1985-10-22

Gantz, D. E.

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

208 22, 208 44, 4234472, 4234474, 4234471, C10C 300, D01F 914

Patent

active

045487049

ABSTRACT:
A pitch suitable for carbon fiber manufacture features a pitch having a weight content of between 80 and 100 percent toluene insolubles and greater than about 10 percent quinoline insolubles. The pitch is derived from a deasphaltenated middle fraction of a feedstock. The pitch is characterized as being relatively free of impurities and ash. The pitch can be spun directly into carbon fibers.

REFERENCES:
patent: 2066386 (1937-01-01), Bergum
patent: 3928169 (1975-12-01), Conroy
patent: 4184942 (1980-01-01), Angier et al.
patent: 4208267 (1980-06-01), Diefendorf et al.
patent: 4219404 (1980-08-01), Diekakian
patent: 4271006 (1981-06-01), Dickakian
patent: 4363415 (1982-12-01), Dickakian

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