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(19)

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2 554 343

(13)

(51)

IPC

C08F8/20(2006-01-01)

C08F210/12(2006-01-01)

C08C19/12(2006-01-01)

C08C19/14(2006-01-01)

(21) (22)

Application

2014112693/04, 2014-04-01

(24)

Start date

2014-04-01

(22)

Actual filing date

2014-04-01

(45)

Published

2015-06-27

(72)

Inventor

Nesterov Oleg NikolaevichGil'Manov Khamit KhamisovichSakhabutdinov Anas GaptynurovichAgljamov Irek AngamovichGavrikov Viktor NikolaevichKhabibullin Rafik KhatmullaevichSofronova Ol'Ga Vladimirovna

(73)

Holder

Publichnoe Aktsionernoe Obshchestvo

METHOD OF OBTAINING BROMOBUTYL RUBBER Russian patent published in 2015 - IPC C08F8/20 C08F210/12 C08C19/12 C08C19/14

Abstract RU 2554343 C1

FIELD: chemistry.

SUBSTANCE: method consists in interaction of molecular bromine and butyl rubber, synthesised by method of low-temperature copolymerisation of isobutylene with isoprene. Molar ratio of quantity of isoprene units in base butyl rubber and amount of halogen in bromobutyl rubber is preserved within 1.5-1.26. Residual content of non-halogenated double bonds in bromobutyl rubber is lower than 0.7 mol %, preferably 0.6-0.3 mol %.

EFFECT: improvement of technological properties of raw rubber mixtures based on bromobutyl rubber by hermolayer formulation with preservation of gas-impermeability index in obtained vulcanisates, obtained on its base.

1 tbl, 6 ex

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RU 2 554 343 C1

Authors

Nesterov Oleg Nikolaevich

Gil'Manov Khamit Khamisovich

Sakhabutdinov Anas Gaptynurovich

Agljamov Irek Angamovich

Gavrikov Viktor Nikolaevich

Khabibullin Rafik Khatmullaevich

Sofronova Ol'Ga Vladimirovna

Dates

2015-06-27—Published

2014-04-01—Filed