Plexifilamentary fibers from pitch

Details Plexifilamentary fibers from pitch Plexifilamentary fibers from pitch

1991-01-31

1994-05-03

Lovering, Richard D.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 292, 264205, 4234471, 4234474, 423448, C01B 3104, D01F 912

Patent

active

053085981

ABSTRACT:
A process is provided for flash-spinning plexifilamentary fiber from pitch. The fibers can be stabilized and graphitized. The flash-spinning requires polyethylene amounting to 0.3 to 3.5% of the spin mixture (4 to 20% in the resultant fiber) for satisfactory plexifilament formation.

REFERENCES:
patent: 3081519 (1963-03-01), Blades et al.
patent: 3784679 (1974-01-01), Chiche
patent: 3852428 (1974-12-01), Binder et al.
patent: 3915914 (1975-10-01), Binder et al.
patent: 4005183 (1977-01-01), Singer
patent: 4032430 (1977-06-01), Lewis
patent: 4208267 (1980-06-01), Diefendorf et al.
Ultra-High Modulus Polyers, Ciferri et al. Editors, Applied Science Publishers, London, Chapt. 9, "High Modulus Carbon Fibres from Mesophase Pitch" pp. 251-277 (1979).

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