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2 180 337

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IPC

(21) (22)

Application

2000119703/04, 2000-07-24

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Start date

2000-07-24

(22)

Actual filing date

2000-07-24

(45)

Published

2002-03-10

(72)

Inventor

Orlov Ju.N.Korshunov S.P.Kudrjavtseva N.A.Pisareva V.S.Bataeva L.P.Sire E.M.Velichko P.I.

(73)

Holder

Orlov Jurij NikolaevichKorshunov Sergej PetrovichKudrjavtseva Natal'Ja AleksandrovnaPisareva Valentina SergeevnaBataeva Ljubov' PetrovnaSire Efim MoiseevichVelichko Pavel Ivanovich

BROMBUTYL RUBBER PRODUCTION PROCESS Russian patent published in 2002 - IPC

Abstract RU 2180337 C1

FIELD: rubber industry. SUBSTANCE: process is distinguished by involving system tert-butyl hypochlorite/aqueous solution of alkali or alkali-earth metal bromide or tetraalkylammonium bromide as bromination agent. In such rubber modification process, neither considerable change in molecular weight of polymer or emission of hydrogen bromide takes place. EFFECT: improved physicochemical properties of rubber. 2 cl, 1 tbl

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RU 2 180 337 C1

Authors

Orlov Ju.N.

Korshunov S.P.

Kudrjavtseva N.A.

Pisareva V.S.

Bataeva L.P.

Sire E.M.

Velichko P.I.

Dates

2002-03-10—Published

2000-07-24—Filed