Starting pitches for carbon fibers

Details Starting pitches for carbon fibers Starting pitches for carbon fibers

1982-10-20

1984-04-03

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

208 39, 4234472, 4234474, 4234476, C10C 300, C01B 3102

Patent

active

044406240

ABSTRACT:
A starting pitch for carbon fibers, obtained by mixing (1) a heavy fraction oil boiling at not lower than 200.degree. C. obtained at the time of steam cracking of petroleum with (2) wax and then heat treating the resulting mixture at a specified temperature and pressure thereby to obtain the starting pitch, the thus obtained starting pitch being heat treated to produce a precursor pitch which is melt spun, infusibilized, carbonized or graphitized to obtain the carbon fibers.

REFERENCES:
patent: 2770577 (1956-11-01), Stossel
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patent: 3453226 (1969-07-01), Corbett
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patent: 3639953 (1972-02-01), Kimura et al.
patent: 3784679 (1974-01-01), Chiche
patent: 3852428 (1974-12-01), Powell et al.
patent: 4070446 (1978-01-01), Horikiri et al.
patent: 4155833 (1979-05-01), Gleim
patent: 4177132 (1979-12-01), Uemura et al.
patent: 4271006 (1981-06-01), Dickakian
Chemical Dictionary, Hackh's, pp. 721-722, 4 Edition Ed. Julius Corant, McGraw Hill.
Chemical Technology of Petroleum, "Petroleum Waxes", 3rd Ed. Grise & Stevens, McGraw Hill, 1960, Chap. XIV, pp. 550-579.

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