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2 111 222

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IPC

(21) (22)

Application

4946333/25, 1991-06-14

(22)

Actual filing date

1991-06-14

(45)

Published

1998-05-20

(72)

Inventor

Tsekhanovich M.S.Kharlamova N.I.Merenkov Ju.A.Gorjunov V.S.Lychagin V.I.Davidan G.M.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Tekhnicheskogo Ugleroda

RAW MATERIALS FOR PRODUCTION OF CARBON BLACK Russian patent published in 1998 - IPC

Abstract RU 2111222 C1

FIELD: production of carbon black. SUBSTANCE: raw materials comprise, mas. %: 110-360 C fraction of processing of pyrocondensate of hydrodealkylation of mixture xylene and toluene, 10-22; distillate of thermopolymerization of light pyrolysis resin (its average volume boiling point is 220-238 C), 5-15; product of pyrolysis of hydrocarbons (its average volume boiling point being 260-290 C) and coke residue, the balance. Raw materials comprise 2.1-4.0 % of compounds insoluble in pentane. Iodine number of carbon black is 108-111 g/kg. EFFECT: improved quality of product.

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RU 2 111 222 C1

Authors

Tsekhanovich M.S.

Kharlamova N.I.

Merenkov Ju.A.

Gorjunov V.S.

Lychagin V.I.

Davidan G.M.

Dates

1998-05-20—Published

1991-06-14—Filed