Process for the production of carbon fibres from petroleum pitch

Details Process for the production of carbon fibres from petroleum pitch Process for the production of carbon fibres from petroleum pitch

1982-06-04

1984-02-14

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 292, 4234474, 4234476, 208 22, 208 44, D01F 912, C10C 302

Patent

active

044316232

ABSTRACT:
A method of producing carbon or graphite fibres from a pitch obtained from a steam cracking residue of a petroleum fraction which pitch has a .beta. resin content of from 2 to 40% by weight, comprises spinning the pitch into fibres at a temperature higher than the softening point, the fibres being treated to render them infusible and then subjecting the fibres to carbonization by heating, followed by graphitization if desired, characterized in that the treatment to infusibilize the fibres is controlled such that the resin content of the fibres does not exceed 30% by weight. The invention includes carbon and graphite fibres produced by the process.

REFERENCES:
patent: 3595946 (1971-07-01), Joo et al.
patent: 3656904 (1972-04-01), Ram
patent: 4197283 (1980-04-01), Crepaux et al.
patent: 4351816 (1982-09-01), Schulz

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