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2 500 689

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IPC

C08C19/00(2006-01-01)

C08F4/52(2006-01-01)

C08F8/46(2006-01-01)

C08F36/06(2006-01-01)

C08F236/06(2006-01-01)

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Application

2012121151/05, 2012-05-22

(24)

Start date

2012-05-22

(22)

Actual filing date

2012-05-22

(45)

Published

2013-12-10

(72)

Inventor

Sakhabutdinov Anas GaptynurovichBorejko Natal'Ja PavlovnaAkhmetov Il'Dar GumerovichKubanov Kirill MikhajlovichFazilova Diljara RavilevnaAmirkhanov Akhtjam TalipovichAgljamov Irek AngamovichMisbakhov Il'Jas RafikovichRukhljadev Oleg Vasil'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PRODUCING CIS-1,4-POLYDIENES Russian patent published in 2013 - IPC C08C19/00 C08F4/52 C08F8/46 C08F36/06 C08F236/06

Abstract RU 2500689 C9

FIELD: chemistry.

SUBSTANCE: invention relates to a technique of producing cis-1,4-polydienes by polymerising butadiene, isoprene or mixtures thereof in a medium of a hydrocarbon solvent in the presence of a rare-earth element based Ziegler-Natta catalyst. In the final stage of the polymerisation process, an α-olefin and maleic anhydride copolymer is added to the reaction mass in ratio of cis-1,4-polydiene to copolymer of 1:1·10^-4 - 1·10^-1.

EFFECT: improved properties of cis-1,4-polydienes, cold flow, dynamic viscosity and polydispersity.

2 tbl, 7 ex

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RU 2 500 689 C9

Authors

Sakhabutdinov Anas Gaptynurovich

Borejko Natal'Ja Pavlovna

Akhmetov Il'Dar Gumerovich

Kubanov Kirill Mikhajlovich

Fazilova Diljara Ravilevna

Amirkhanov Akhtjam Talipovich

Agljamov Irek Angamovich

Misbakhov Il'Jas Rafikovich

Rukhljadev Oleg Vasil'Evich

Dates

2013-12-10—Published

2012-05-22—Filed