High anisotropic pitch

Details High anisotropic pitch High anisotropic pitch

1984-05-23

1985-11-05

Gantz, D. E.

Mineral oils: processes and products

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

By distillation

208 22, 208 39, 208 44, C10C 300, C10C 306

Patent

active

045512256

ABSTRACT:
An improved process for preparing an optically anisotropic pitch which comprises heating a pitch feed material at a temperature within the range of about 350.degree. C. to 450.degree. C. while passing an inert gas therethrough at a rate of at least 2.5 SCFH/lb of pitch feed material and agitating said pitch feed material at a stirrer rate of from about 500 to 600 rpm to obtain an essentially 100% mesophase pitch product suitable for carbon production.

REFERENCES:
patent: 3974264 (1976-08-01), McHenry
patent: 3976729 (1976-08-01), Lewis et al.
patent: 4026788 (1977-05-01), McHenry
patent: 4209500 (1980-06-01), Chwastiak

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