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2 072 974

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IPC

(21) (22)

Application

5055689/04, 1992-07-21

(22)

Actual filing date

1992-07-21

(45)

Published

1997-02-10

(72)

Inventor

Bodrikov I.V.Groshev G.L.Mukhanov A.A.Kolesnikov V.Ja.Orekhov O.V.Spiridonova S.V.Semanov V.K.Khramtsova I.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF SYNTHESIS OF 1,2-DICHLOROETHANE Russian patent published in 1997 - IPC

Abstract RU 2072974 C1

FIELD: chemical technology. SUBSTANCE: method involves ethylene chlorination at 20-65 C, product withdrawal from the liquid phase that is fed to reactor where ethylene is chlorinated at reaction mass boiling point (84-90 C) and product withdrawal from the vapor phase. Catalyst accumulated in chlorination reactor at 84-90 C is fed to chlorination reactor(s) at 20-65 C or utilized. Ratio of 1,2-dichloroethane amount obtained at 20-65 C and at reaction mass boiling is changed from 1 to 4.5. Synthesized 1,2-dichloroethane is used as raw for large-scale vinyl chloride production that is a monomer for polymeric materials and as a solvent. EFFECT: improved method of synthesis. 2 cl, 2 tbl

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RU 2 072 974 C1

Authors

Bodrikov I.V.

Groshev G.L.

Mukhanov A.A.

Kolesnikov V.Ja.

Orekhov O.V.

Spiridonova S.V.

Semanov V.K.

Khramtsova I.A.

Dates

1997-02-10—Published

1992-07-21—Filed