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2 080 329

(13)

C1

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IPC

(21) (22)

Application

94031443/04, 1994-08-26

(22)

Actual filing date

1994-08-26

(45)

Published

1997-05-27

(72)

Inventor

Zolotarev V.L.Aksenov V.I.Khlustikov V.I.Zolotareva I.V.Stepanova E.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Sinteticheskogo Kauchuka"

PROCESS FOR PREPARING 1,2-POLYBUTADIENE Russian patent published in 1997 - IPC

Abstract RU 2080329 C1

FIELD: industrial asbestos, industrial rubber, electrical, abrasive, tyre and other industries. SUBSTANCE: claimed process comprises polymerizing butadiene-1,3 in toluene with n-butyl lithium as catalyst in the presence of diethylene glycol and divinyl benzene dimethyl ether which is added to blend in the form of toluene solution together with aromatic vinyl compound (styrene, $$$- methylstyrene) at molar ratio thereof ranging from 1:0.1 to 1:10 and molar ratio of n-butyl lithium to divinyl benzene ranging from 1.5: 1 to 2.4:1. The claimed process makes it possible to regulate technological properties of polymer and improve strength properties of polymer-based vulcanizate. EFFECT: more efficient preparation process.

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RU 2 080 329 C1

Authors

Zolotarev V.L.

Aksenov V.I.

Khlustikov V.I.

Zolotareva I.V.

Stepanova E.V.

Dates

1997-05-27—Published

1994-08-26—Filed

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