Pitch conversion

Details Pitch conversion Pitch conversion

1983-11-18

1986-07-15

Metz, Andrew H.

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

Chemical modification of asphalt, tar, pitch or resin

208 22, C10C 302

Patent

active

046004963

ABSTRACT:
Pitch is converted to mesophase pitch in the presence of catalytically effective amounts of oxides, diketones, carboxylates and carbonyls of metals selected from vanadium, chromium, molybdenum, iron, nickel and cobalt. The crystalloidal or mesophase pitch obtained can be used for the production of carbon fibers and other carbon and graphite products and articles of manufacture of unusually high quality.

REFERENCES:
patent: 3244543 (1966-04-01), Lifson et al.
patent: 3258418 (1966-06-01), Pitchford et al.
patent: 3809565 (1973-04-01), Wewerka et al.
patent: 3839190 (1973-02-01), Frese et al.
patent: 4005183 (1977-01-01), Singer
patent: 4042486 (1977-08-01), Asano et al.
patent: 4414095 (1983-11-01), Dickakian

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