Carbon fibres

Details Carbon fibres Carbon fibres

1978-05-08

1980-04-08

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 292, 4234471, 4234472, 4234476, D01F 914

Patent

active

041972830

ABSTRACT:
The invention relates to a process for the manufacture of carbon or graphite fibres which comprises spinning a petroleum pitch having a .beta. resin content of between 5 and 40%, and carbonizing the resultant fibres by heating. The pitch may have a .delta. resin content of between 10 and 20% and an .alpha. resin content of less than 1%. It may be produced by distilling and ageing the residue from the steam cracking of a petroleum fraction, particularly a naphtha fraction.
The fibres may be given a surface oxidation between the spinning and carbonization stages.
These fibres may be used in the reinforcement of plastic materials.

REFERENCES:
patent: 3629379 (1971-12-01), Otani
patent: 3702054 (1972-11-01), Araki et al.
patent: 3718574 (1973-02-01), Araki et al.
patent: 4115527 (1978-09-01), Otani et al.

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