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2 156 258

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IPC

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Application

98121033/04, 1998-11-17

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Start date

1998-11-17

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Actual filing date

1998-11-17

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Published

2000-09-20

(72)

Inventor

Abramova N.V.Bataeva L.P.Golovachev A.M.Korshunov S.P.Orlov Ju.N.Sire E.M.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD OF PREPARING CHLOROBUTYL RUBBER Russian patent published in 2000 - IPC

Abstract RU 2156258 C2

FIELD: chemical modification of rubbers, more particularly preparation of chlorobutyl rubber. SUBSTANCE: method comprises using hypochlorous acid esters such as dimethylvinyl or dimethylphenyl carbinol as chlorinating agent. During chemical modification of butyl rubber, there occurs no considerable change of molecular weight of polymer nor evolution of hydrogen chloride. EFFECT: good physico- mechanical properties of chlorobutyl. 8 ex, 1 tbl

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RU 2 156 258 C2

Authors

Abramova N.V.

Bataeva L.P.

Golovachev A.M.

Korshunov S.P.

Orlov Ju.N.

Sire E.M.

Dates

2000-09-20—Published

1998-11-17—Filed

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