PROCESS FOR PREPARING BINDER FOR MANUFACTURING CARBONACEOUS MATERIALS AND PRODUCTS THEREFROM Russian patent published in 1994 - IPC

Abstract RU 2013416 C1

FIELD: preparation of carbonaceous materials. SUBSTANCE: to prepare a coal-tar pitch binder by heat treatment of a coal tar resin, prior to the heat treatment operation, 10-35 wt % of a heavy resin resulting from the pyrolysis of petroleum products or a distilled cracking residue are added to the coal-tar resin. The invention makes it possible to sharply reduce the binder carcinogenic effect due to a reduced amount of benzapyrene and also to widen the raw material source for preparing a binder. EFFECT: improved properties of the binder. 1 dwg

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RU 2 013 416 C1

Authors

Krjukov V.V.

Zhelnin V.N.

Bludjan M.A.

Gajsin A.Kh.

Vedernikov S.L.

Savinov V.I.

Dates

1994-05-30—Published

1992-07-02—Filed