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2 125 578

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IPC

(21) (22)

Application

95115307/04, 1995-08-29

(22)

Actual filing date

1995-08-29

(45)

Published

1999-01-27

(72)

Inventor

Gol'Berg I.P.Rjakhovskij V.S.Zaboristov V.N.Byrikhina N.N.Sharaev O.K.Markevich I.N.Glebova N.N.Jakovlev V.A.Tinjakova E.I.Kuznetsova E.I.Markov B.A.Ivannikov V.V.Ryzhikh V.V.Sharygin P.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Sinteticheskogo Kauchuka"

PROCESS FOR PREPARING CIS-1,4-POLYBUTADIENE Russian patent published in 1999 - IPC

Abstract RU 2125578 C1

FIELD: organic chemistry. SUBSTANCE: present invention describes process for preparing stereoregular polydienes induced by coordination type catalyst systems. The claimed process is carried out by polymerization of butadiene in aromatic solvent in the presence of preformed catalyst complex based on soluble cobalt salt (cobalt naphthenate, octanoate, acetyl acetonate), alkyl aluminium mono- and sesquichlorides and conjugated dienes (butadiene, isoprene, piperylene) and modifying additive. Said additive is compound from amioaloxanes or from polyaloxanes at polymerization temperature from +50 C to -25 C. EFFECT: controllable technological mode of preparation of grades of rubber having desired choice of viscosity properties. 1 tbl

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RU 2 125 578 C1

Authors

Gol'Berg I.P.

Rjakhovskij V.S.

Zaboristov V.N.

Byrikhina N.N.

Sharaev O.K.

Markevich I.N.

Glebova N.N.

Jakovlev V.A.

Tinjakova E.I.

Kuznetsova E.I.

Markov B.A.

Ivannikov V.V.

Ryzhikh V.V.

Sharygin P.V.

Dates

1999-01-27—Published

1995-08-29—Filed