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2 087 489

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C1

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IPC

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Application

95111040/04, 1995-06-28

(22)

Actual filing date

1995-06-28

(45)

Published

1997-08-20

(72)

Inventor

Zaboristov V.N.Kalistratova V.V.Gol'Berg I.P.Antonova N.G.Khlustikov V.I.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Sinteticheskogo Kauchuka"

METHOD OF PREPARATION OF CIS-1,4,POLYBUTADIENE Russian patent published in 1997 - IPC

Abstract RU 2087489 C1

FIELD: chemistry of polymers. SUBSTANCE: cis-1,4-polebutadiene is prepared by polymerization of 1,3-butadiene in aromatic solvent in the presence of Ziegler-Natta catalyst system based on rare-earth metal compounds. On completion of polymerization process, cis-1- polybutadiene polymerizate is mixed with 1-polyhexane solution in aromatic solvent. Polymer ratio ranges from 5-20 wt parts of 1-polyxene per 100 wt parts of cis-1,4-polybutadiene. EFFECT: more efficient preparation method. 2 tbl

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RU 2 087 489 C1

Authors

Zaboristov V.N.

Kalistratova V.V.

Gol'Berg I.P.

Antonova N.G.

Khlustikov V.I.

Dates

1997-08-20—Published

1995-06-28—Filed

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