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2 091 399

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Application

94026830/04, 1994-07-18

(22)

Actual filing date

1994-07-18

(45)

Published

1997-09-27

(72)

Inventor

Zaboristov V.N.Kalistratova V.V.Rjakhovskij V.S.Tsarina V.S.Markov B.A.Avilova L.D.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Sinteticheskogo Kauchuka"

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

Abstract RU 2091399 C1

FIELD: petrochemistry. SUBSTANCE: claimed method for preparation of oil-filled 1.4-cis-polybutadiene in the presence of catalysts based on rare earth metal compounds comprises preforpolymerizing some monomer in parafin-naphthene oil at temperature of 30 to 60 C to attain 10-30 % conversion of monomer and subsequently polymerizing the remaining monomer in the presence of aromatic solvent to attain 80-95% conversion. The paraffin-napthene oil is netoxol. The claimed method is advantageous in that high-molecular weight and high filled polymers are obtained. This makes it possible to reduce power requirements for preparation thereof and decrease cost price without deterioration in operating characteristics. EFFECT: more efficient preparation method. 3 tbl

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RU 2 091 399 C1

Authors

Zaboristov V.N.

Kalistratova V.V.

Rjakhovskij V.S.

Tsarina V.S.

Markov B.A.

Avilova L.D.

Dates

1997-09-27—Published

1994-07-18—Filed

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