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2 127 282

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IPC

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Application

97105485/04, 1997-04-09

(22)

Actual filing date

1997-04-09

(45)

Published

1999-03-10

(72)

Inventor

Zaboristov V.N.Gol'Berg I.P.Rjakhovskij V.S.Markov B.A.Mitusova T.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Sinteticheskogo Kauchuka"

PROCESS FOR PREPARING STABILIZED RUBBER Russian patent published in 1999 - IPC

Abstract RU 2127282 C1

FIELD: rubber- processing industry. SUBSTANCE: flowsheet for preparing butadiene rubbers includes units of polymerization, decomposition of catalyst, addition of stabilizer, washing, degassing and drying. Stabilizer is stabilizer of mixture of spatially hindered mono-, bis-, tris-, tetra-phenols and paraffin-naphtene C10-30 hydrocarbons and is used in stopper stage. EFFECT: higher thermal stability of light butadiene rubbers and reduces expenses for antioxidant. 4 ex, 2 tbl

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RU 2 127 282 C1

Authors

Zaboristov V.N.

Gol'Berg I.P.

Rjakhovskij V.S.

Markov B.A.

Mitusova T.N.

Dates

1999-03-10—Published

1997-04-09—Filed

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