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2 085 558

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Application

94012916/04, 1994-04-20

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Actual filing date

1994-04-20

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Published

1997-07-27

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Inventor

Aksenov V.I.Murachev V.B.Byrikhin V.S.Golovina N.A.Grishchenko A.I.Khlustikov V.I.Gol'Berg I.P.Rjakhovskij V.S.Markov B.A.Ivannikov V.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Sinteticheskogo Kauchuka"

METHOD OF SYNTHESIS OF HIGH-MOLECULAR CIS-POLYBUTADIENE Russian patent published in 1997 - IPC

Abstract RU 2085558 C1

FIELD: chemical technology. SUBSTANCE: polymerization of butadiene-1,3 is carried out in carbon solvent in the presence of catalytic system formed by the successive addition of triisobutylaluminium solutions (1.2-2.4 mmole/100 g butadiene) to monomer solution and mixed iodochloro-containing titanium tetrahalogen at amount 0.15-0.30 mmole/100 g butadiene in the presence of chloroform (concentration is 0.45-2.0 mmole/100 g butadiene). Chloroform is added before catalyst components addition or after triisobutylaluminium addition or after 0-60 min of both catalytic components addition. Method is used for high-molecular stereoregular cis-polybutadiene synthesis. EFFECT: improved method of synthesis. 1 tbl

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RU 2 085 558 C1

Authors

Aksenov V.I.

Murachev V.B.

Byrikhin V.S.

Golovina N.A.

Grishchenko A.I.

Khlustikov V.I.

Gol'Berg I.P.

Rjakhovskij V.S.

Markov B.A.

Ivannikov V.V.

Dates

1997-07-27—Published

1994-04-20—Filed

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