Process for producing optically anisotropic carbonaceous pitch

Details Process for producing optically anisotropic carbonaceous pitch Process for producing optically anisotropic carbonaceous pitch

1982-01-11

1984-06-12

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

208 40, 208 39, 4234472, C10C 300, D01F 912, D01F 920

Patent

active

044540191

ABSTRACT:
A homogeneous, optically anisotropic pitch used for the production of carbon materials is prepared from a starting oil comprising a substantially chloroform-insoluble matter-free oily or tarry substance. The starting oil is subjected to thermal cracking and polycondensation to form approximately 20-80% of optically anisotropic phase pitch.

REFERENCES:
patent: 2992181 (1961-07-01), Renner
patent: 3318801 (1967-05-01), Alexander et al.
patent: 3976729 (1976-08-01), Lewis et al.
patent: 4032430 (1977-06-01), Lewis
patent: 4177132 (1979-12-01), Uemura et al.
patent: 4188235 (1980-02-01), Epenscheid et al.
patent: 4209500 (1980-06-01), Chwastiak

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