Starting pitch for carbon fibers

Details Starting pitch for carbon fibers Starting pitch for carbon fibers

1983-04-12

1986-04-01

Metz, Andrew H.

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

208 22, 208 39, 4234471, 4234472, 4234474, 264 292, D01F 912, C10C 302

Patent

active

045796459

ABSTRACT:
Provided is a starting pitch for producing carbon fiber by heat-treating the starting pitch to obtain a precursor pitch, melt-spinning the precursor pitch, then rendering the resultant pitch fiber infusible, followed by carbonization, and further followed by graphitization if required, the starting pitch comprising a mixture of (a) 100 parts by weight of a pitch and (b) 5 to 500 parts by weight of a methanol-insoluble and benzene-soluble component contained in a heavy oil obtained in a fluid catalytic cracking of petroleum, the heavy oil having a boiling range not lower than 200.degree. C.

REFERENCES:
patent: 2030575 (1936-02-01), Ellms
patent: 3330759 (1967-07-01), Henschel et al.
patent: 3970542 (1976-07-01), Bongertman
patent: 4176043 (1979-11-01), van Eijk
patent: 4188235 (1980-02-01), Espenscheid et al.
patent: 4211633 (1980-07-01), Gleim
patent: 4301135 (1981-11-01), Nazem et al.
patent: 4318824 (1982-03-01), Turner
patent: 4324651 (1982-04-01), Rollmann et al.

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