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2 285 701

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IPC

C08F236/10(2006-01-01)

C08F297/04(2006-01-01)

C08F4/48(2006-01-01)

(21) (22)

Application

2005117312/04, 2005-06-06

(24)

Start date

2005-06-06

(22)

Actual filing date

2005-06-06

(45)

Published

2006-10-20

(72)

Inventor

Busygin Vladimir MikhajlovichGil'Manov Khamit KhamisovichGil'Mutdinov Nail' RakhmatullovichTul'Chinskij Ehduard AvraamovichMiloslavskij Gennadij Jur'EvichZajdullin Akhmetzaki AkhmetzavalovichSakhabutdinov Anas GaptynurovichKalashnikova Ol'Ga AleksandrovnaSafin Damir KhasanovichShepelin Vladimir Aleksandrovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

BUTADIENE-STYRENE RUBBER MANUFACTURING PROCESS Russian patent published in 2006 - IPC C08F236/10 C08F297/04 C08F4/48

Abstract RU 2285701 C1

FIELD: rubber industry.

SUBSTANCE: invention relates to process of manufacturing synthetic rubber, in particular solution butadiene-styrene rubber suitable in manufacture of tires with high performance characteristics, resistance to high wheel rolling and providing long lifetime, good maneuverability, adhesion to wet pavement, and low consumption of fuel. Butadiene-styrene rubber is obtained via copolymerization of butadiene with styrene in hydrocarbon solvent and in presence of organolithium catalyst and modifying additive at catalyst-to-additive molar ratio 1:(0.2-1.0). Process comprises mixing monomers with solvent, deactivation of catalyst to stabilize polymer, degassing, and drying of rubber. As modifying additive, alkali metal alcoholates originated from hydroxyalkylated secondary amines.

EFFECT: enabled manufacture of butadiene-styrene rubber with middle and predominant content of 1,2-units in butadiene portion of copolymer.

2 tbl, 22 ex

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RU 2 285 701 C1

Authors

Busygin Vladimir Mikhajlovich

Gil'Manov Khamit Khamisovich

Gil'Mutdinov Nail' Rakhmatullovich

Tul'Chinskij Ehduard Avraamovich

Miloslavskij Gennadij Jur'Evich

Zajdullin Akhmetzaki Akhmetzavalovich

Sakhabutdinov Anas Gaptynurovich

Kalashnikova Ol'Ga Aleksandrovna

Safin Damir Khasanovich

Shepelin Vladimir Aleksandrovich

Dates

2006-10-20—Published

2005-06-06—Filed