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2 011 655

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Application

92011478/05, 1992-12-23

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Actual filing date

1992-12-23

(45)

Published

1994-04-30

(72)

Inventor

Kropacheva E.N.Smirnova L.V.Aksenov V.I.Zolotarev V.L.Molodyka A.V.Privalov V.A.Shapovalova N.N.Sidorov S.L.Rachinskij A.V.Sazykin V.V.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Tekhnicheskoe Predprijatie

METHOD OF PREPARING OF GELLESS CIS-1,4-POLYBUTADIENE Russian patent published in 1994 - IPC

Abstract RU 2011655 C1

FIELD: industry of synthetic rubber. SUBSTANCE: method involves polymerization of butadiene-1,3 in the medium of hydrocarbon solvent containing water in the presence of catalyst, which consists of cobalt salt and alkylaluminium chloride. Components of catalyst are added in 4.9-100% of initial volume of butadiene-1,3 solution, which is cooled up to (-10)-(-20) C. Residual quantity of cooled solution is added then to the mixture, and temperature is increased up to 20-30 C. EFFECT: improved method of preparing. 1 tbl

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RU 2 011 655 C1

Authors

Kropacheva E.N.

Smirnova L.V.

Aksenov V.I.

Zolotarev V.L.

Molodyka A.V.

Privalov V.A.

Shapovalova N.N.

Sidorov S.L.

Rachinskij A.V.

Sazykin V.V.

Dates

1994-04-30—Published

1992-12-23—Filed

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