Pitch-type carbon fibers and process for their production

Details Pitch-type carbon fibers and process for their production Pitch-type carbon fibers and process for their production

1994-10-26

1997-07-01

Lewis, Michael

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

D01F 912

Patent

active

056435460

ABSTRACT:
A pitch-type carbon fiber made from a pitch having 1 a glass transition temperature width of at most 40.degree. C. as measured by a differential scanning calorimeter, 2 a proportion of the optically anisotropic phase of at least 10% by volume, and 3 a quinoline-insoluble content of at most 5% by weight, as a spinning raw material pitch.

REFERENCES:
patent: 4032430 (1977-06-01), Lewis
patent: 5213677 (1993-05-01), Yamamoto et al.
patent: 5348719 (1994-09-01), Yamamoto et al.

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