METHOD FOR SYNTHESIS OF OIL-FILLED CIS-1,4-POLYBUTADIENE Russian patent published in 1998 - IPC

Abstract RU 2114128 C1

FIELD: chemical technology, rubber industry. SUBSTANCE: cis-1,4-polybutadiene is synthesized by butadiene polymerization in organic solvent medium and Zigler-Natt catalyst containing lanthanides compounds and organoaluminium compounds. Method is carried out in polymerizing agent battery using conventional technological stages. Oil is added at amount 30-70 mas. p. p. per 100 mas. p. p. rubber and combine with addition of agent regulating plastoelastic property of rubber that decreases plasticity and cold flow of polymer. Compound O,O'-bis-(1,3,5-tri-tert.-butylhexadiene-2,5-one-4- -yl)-p-benzoquinone dioxime at amount 0.1-2.0 wt.-% per monomer is used as a regulating agent. EFFECT: decreased plasticity and cold flow of polymer. 1 tbl, 3 ex

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RU 2 114 128 C1

Authors

Zaboristov V.N.

Kalistratova V.V.

Gol'Berg I.P.

Rjakhovskij V.S.

Grishin B.S.

Dates

1998-06-27—Published

1996-04-22—Filed