Carbonaceous pitch, process for the preparation thereof and use

Details Carbonaceous pitch, process for the preparation thereof and use Carbonaceous pitch, process for the preparation thereof and use

1984-02-07

1985-03-12

Gantz, Delbert E.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

4234474, 208 22, 208 39, 208 44, C10C 306, C10C 308

Patent

active

045044554

ABSTRACT:
A novel reformed mesophase pitch having a mesophase content MC of between 40 and 100%, a quinoline-insoluble content QI of between 5 and 70 weight % and anisotropic domains forming a continuous phase. The reformed mesophase pitch is obtained by heat-treating a dormant mesophase pitch which comprises dormant anisotropic components which are partially hydrogenated, polycyclic polycondensed ring aromatic hydrocarbons derived from the mesophase of a mesophase pitch by hydrogenation of the mesophase and which are soluble in quinoline. The dormant mesophase pitch is optically isotropic in nature but, upon being subjected to shear forces in one direction, capable of being oriented in said direction. Preferably, the reformed mesophase pitch has a softening point SP in .degree.C. satisfying the following conditions:

REFERENCES:
patent: 4328090 (1982-05-01), Stuckey, Jr. et al.
patent: 4414096 (1983-11-01), Dickakian
patent: 4431623 (1984-02-01), Fug

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