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2 127 280

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Application

97103592/04, 1997-03-11

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Actual filing date

1997-03-11

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Published

1999-03-10

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Inventor

Zaboristov V.N.Kalistratova V.V.Rjakhovskij V.S.Markov B.A.Tsarina V.S.Gol'Berg I.P.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Sinteticheskogo Kauchuka"

PROCESS FOR PREPARING CIS-1,4-POLYBUTADIENE AND CIS-1,4- BUTADIENE-ISOPRENE COPOLYMER Russian patent published in 1999 - IPC

Abstract RU 2127280 C1

FIELD: synthetic rubber industry. SUBSTANCE: claimed process is carried out by polymerization of butadiene or copolymerization with isoprene in hydrocarbon solvent. Catalyst complex is prepared by reacting lanthanide compound with halogen- containing compound of formula: R3-nAIX, wherein n is 1.6- 2.9, and organoaluminium compound which is essentially mixture of trialkyl aluminium dialkyl aluminium hydride and tetraalkyl dialumooxane in the presence of conjugated diene. The resulting polymers have reduced plasticity and cold flow and high physical and mechanical properties of vulcanizates. EFFECT: improved properties of the title compounds. 2 cl, 1 tbl

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RU 2 127 280 C1

Authors

Zaboristov V.N.

Kalistratova V.V.

Rjakhovskij V.S.

Markov B.A.

Tsarina V.S.

Gol'Berg I.P.

Dates

1999-03-10—Published

1997-03-11—Filed

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