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2 137 545

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IPC

(21) (22)

Application

98106684/04, 1998-04-13

(22)

Actual filing date

1998-04-13

(45)

Published

1999-09-20

(72)

Inventor

Kropacheva E.N.Smirnova L.V.Zolotarev V.L.Aksenov V.I.Mustafin Kh.V.Rjazanov Ju.I.Ukhov N.I.Kurochkin L.M.Gil'Mutdinov N.R.Smirnov N.D.Abzalin Z.A.Salakhutdinov R.G.Zijatdinov A.Sh.Sakhabutdinov A.G.Borejko N.P.Safin D.Kh.Antipov S.N.

(73)

Holder

OaoTovarishchestvo S Ogranichennoj Otvetstvennost'JuOoo Sk"

METHOD OF PREPARING COMPLEX COBALT-CONTAINING CATALYST Russian patent published in 1999 - IPC

Abstract RU 2137545 C1

FIELD: polymerization catalysts. SUBSTANCE: invention relates to preparing butadiene polymerization catalyst that can find use in preparing catalysts for polymerization of dienes and olefins. Toluene solutions of cobalt compound and alkylaluminum chloride are added to toluene containing 0.010-0.035 wt % water and part of monomer thermostatically controlled at temperature from -30 to -25 C over the period of time from 10 min to 24 hr. Resulting solution is suitable for catalyzing 1,4-cys-polymerization of butadiene in aliphatic hydrocarbon (hexane, gasoline, etc.). EFFECT: enabled polymerization control with no need of additional reagents and allowed utilization of aliphatic hydrocarbon medium to carry out the process. 1 tbl, 3 ex

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RU 2 137 545 C1

Authors

Kropacheva E.N.

Smirnova L.V.

Zolotarev V.L.

Aksenov V.I.

Mustafin Kh.V.

Rjazanov Ju.I.

Ukhov N.I.

Kurochkin L.M.

Gil'Mutdinov N.R.

Smirnov N.D.

Abzalin Z.A.

Salakhutdinov R.G.

Zijatdinov A.Sh.

Sakhabutdinov A.G.

Borejko N.P.

Safin D.Kh.

Antipov S.N.

Dates

1999-09-20—Published

1998-04-13—Filed