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2 339 651

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IPC

C08F36/06(2006-01-01)

C08F236/10(2006-01-01)

C08F4/48(2006-01-01)

(21) (22)

Application

2007132028/04, 2007-08-23

(24)

Start date

2007-08-23

(22)

Actual filing date

2007-08-23

(45)

Published

2008-11-27

(72)

Inventor

Busygin Vladimir MikhajlovichGil'Manov Khamit KhamisovichGil'Mutdinov Nail' RakhmatullovichBorejko Natal'Ja PavlovnaAkhmetov Il'Dar GumerovichKalashnikova Ol'Ga AleksandrovnaBurganov Tabriz Gil'MutdinovichSilitrin Valerij Vasil'EvichSakhabutdinov Anas Gaptynurovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD FOR OBTAINING BUTADIENE POLYMERS AND BUTADIENE COPOLYMERS WITH STYRENE Russian patent published in 2008 - IPC C08F36/06 C08F236/10 C08F4/48

Abstract RU 2339651 C9

FIELD: chemistry.

SUBSTANCE: invention claims method of obtaining polybutadiene or butadiene copolymers with styrene by polymerisation of respective monomers in hydrocarbon solvent medium in the presence of initiating system, where initiating system is a complex of lithium organic compound and modifying additive obtained by reaction of alkali metal lapramolate and tetrahydrofurfurylic alcohol, metal magnesium and sodium (potassium) at molar ratio of 1 : 2-4 : 1-2 : 0-2 respectively. Polybutadiene and butadiene copolymers with styrene with 1,2-link content in diene part adjustable from 9 to 75 wt %, reduced rate of macromolecules with mass over 10⁶ g/mol (up to 5 wt %), is obtained at temperatures over 60°C.

EFFECT: improved method of obtaining polybutadiene or butadiene copolymers with styrene.

5 cl, 5 tbl, 14 ex

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RU 2 339 651 C9

Authors

Busygin Vladimir Mikhajlovich

Gil'Manov Khamit Khamisovich

Gil'Mutdinov Nail' Rakhmatullovich

Borejko Natal'Ja Pavlovna

Akhmetov Il'Dar Gumerovich

Kalashnikova Ol'Ga Aleksandrovna

Burganov Tabriz Gil'Mutdinovich

Silitrin Valerij Vasil'Evich

Sakhabutdinov Anas Gaptynurovich

Dates

2008-11-27—Published

2007-08-23—Filed