Method of producing a highly reactive pitch fraction and its usa

Details Method of producing a highly reactive pitch fraction and its usa Method of producing a highly reactive pitch fraction and its usa

1982-09-07

1983-11-08

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

208 22, 208 39, 208 44, 208 45, 423448, 423449, 4234474, 4234476, C01B 3102, C10C 302, C10C 308, D01F 912

Patent

active

044141920

ABSTRACT:
A method of producing a highly reactive pitch fraction is disclosed. Coal-tar pitch is extracted with hot chloroform and the pitch solution treated with solid iodine. The solid reaction products are separated and, in the presence of chloroform, decomposed with an aqueous ammonia solution. Following separation of the aqueous phase and removal by distillation of the chloroform, there remains a highly reactive pitch fraction which can be converted into high-anisotropic carbon at low temperatures and in short coking times.

REFERENCES:
patent: 3997654 (1976-12-01), Kolling et al.
patent: 4029749 (1977-06-01), Murakami
patent: 4137150 (1979-01-01), Pietzka et al.
patent: 4379133 (1983-04-01), Zander et al.

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