Pitch for the production of carbon fibers

Details Pitch for the production of carbon fibers Pitch for the production of carbon fibers

1985-12-23

1986-11-04

Metz, Andrew H.

Mineral oils: processes and products

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

Solvent extraction

208 22, 208 39, 4234476, 4234474, C10C 118, C10C 302, C10C 100

Patent

active

046209190

ABSTRACT:
Pitch for the production of carbon fibers which contains from 5 to 40% of the optically anisotropic region which is insoluble in organic solvents having a solubility parameter from 7.4 to 9.0 but is soluble in organic solvents having a solubility parameter from 9.2 to 11.0.

REFERENCES:
patent: 4184942 (1980-01-01), Angier et al.
patent: 4277325 (1981-07-01), Greenwood
patent: 4402928 (1983-09-01), Lewis et al.
patent: 4443324 (1984-04-01), Diefendorf et al.
patent: 4465586 (1984-08-01), Diefendorf et al.
patent: 4502943 (1985-03-01), Dickakian
patent: 4503026 (1985-03-01), Dickakian
patent: 4534850 (1985-08-01), Izumi et al.

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