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2 272 813

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IPC

C08C19/14(2006-01-01)

C08F8/22(2006-01-01)

(21) (22)

Application

2004119912/04, 2004-06-29

(24)

Start date

2004-06-29

(22)

Actual filing date

2004-06-29

(45)

Published

2006-03-27

(72)

Inventor

Busygin Vladimir MikhajlovichGil'Manov Khamit KhamisovichGil'Mutdinov Nail' RakhmatullovichShijapov Ravil' TagirovichIshterjakov Aleksandr DanilovichSofronova Ol'Ga VladimirovnaSal'Nikov Sergej BorisovichBespalov Vladimir PavlovichPautov Pavel Grigor'EvichFedotov Vladimir IvanovichAndreev Vladimir Anatol'Evich

(73)

Holder

Otkrytoe Aktsionernoe ObshchestvoOtkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij Institut

BUTYL RUBBER HALOGENATION METHOD Russian patent published in 2006 - IPC C08C19/14 C08F8/22

Abstract RU 2272813 C1

FIELD: rubber industry.

SUBSTANCE: method consists in interaction of butyl rubber with halogen in inert solvent under conditions preventing presence of gas phase un reaction zone. Interaction is accomplished in three steps: first vigorously mixing butyl rubber solution with halogen solution to form reaction mixture, the vigorously mixing the latter with water followed by phase separation and removal of aqueous phase, and finally completion of butyl rubber-halogen reaction.

EFFECT: minimized changes in molecular mass characteristics of butyl rubber in the course of halogenation reaction owing to suppression of side reactions.

1 dwg, 6 tbl, 6 ex

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RU 2 272 813 C1

Authors

Busygin Vladimir Mikhajlovich

Gil'Manov Khamit Khamisovich

Gil'Mutdinov Nail' Rakhmatullovich

Shijapov Ravil' Tagirovich

Ishterjakov Aleksandr Danilovich

Sofronova Ol'Ga Vladimirovna

Sal'Nikov Sergej Borisovich

Bespalov Vladimir Pavlovich

Pautov Pavel Grigor'Evich

Fedotov Vladimir Ivanovich

Andreev Vladimir Anatol'Evich

Dates

2006-03-27—Published

2004-06-29—Filed