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2 527 083

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C2

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IPC

C08C19/22(2006-01-01)

C08F36/08(2006-01-01)

C08F136/08(2006-01-01)

(21) (22)

Application

2012137971/05, 2012-09-04

(24)

Start date

2012-09-04

(22)

Actual filing date

2012-09-04

(45)

Published

2014-08-27

(72)

Inventor

Solodkij Valentin ValentinovichBratsykhin Jurij Jur'EvichMatveeva Larisa Jur'EvnaKurljand Sergej Karlovich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Lenina I Ordena Trudovogo Krasnogo Znameni Nauchno-Issledovatel'Skij Institut Sinteticheskogo Kauchuka Imeni Akademika S.V. Lebedeva"

METHOD OF OBTAINING MODIFIED CIS-1,4-POLYISOPRENE Russian patent published in 2014 - IPC C08C19/22 C08F36/08 C08F136/08 

Abstract RU 2527083 C2

FIELD: chemistry.

SUBSTANCE: invention relates to field of obtaining polymers of conjugated dienes, in particular, to obtaining modified cis-1,4-polyisoprene. Isoprene polymerisation in presence of catalyst is carried out with further catalyst deactivation, stabilisation and modification of polymer by product of interaction of maleic anhydride and N-alkyl- N′-phenyl-n-phenylenediamine, taken in weight ratio 15-30:70-85. After that, degassing and drying of polymer are performed. Before degassing, suspension of fullerene soot in organic solvent in amount 0.009-0.12 wt % of dry substance counted for polymer is introduced into polymerisate.

EFFECT: method makes it possible to obtain modified cis-1,4-polyisoprene, which used as base for vulcanisates contributes to their improved frost resistance with preservation of good physical-mechanical parameters.

1 tbl, 1 ex

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RU 2 527 083 C2

Authors

Solodkij Valentin Valentinovich

Bratsykhin Jurij Jur'Evich

Matveeva Larisa Jur'Evna

Kurljand Sergej Karlovich

Dates

2014-08-27—Published

2012-09-04—Filed

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