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2 142 962

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IPC

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Application

97116257/04, 1997-09-29

(24)

Start date

1997-09-29

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Actual filing date

1997-09-29

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Published

1999-12-20

(72)

Inventor

Khusnutdinov R.I.Latypov V.N.Muslimov Z.S.Dzhemilev U.M.

(73)

Holder

Institut Neftekhimii I Kataliza S Opytnym Zavodom An Rb

METHOD FOR PRODUCTION OF HYDROCHLORINATED DERIVATIVES OF POLYBUTADIENE AND POLYISOPRENE RUBBERS Russian patent published in 1999 - IPC

Abstract RU 2142962 C1

FIELD: rubber industry. SUBSTANCE: hydrochlorination of unsaturated polymers is performed without use of free HCl in presence of three-component catalyst containing Fe(II) and Fe(III) salts, titanium metal, and polymer at ratio 1: (0.1-10): (0.1-100), source of HCl being methylene chloride or chloroform. Catalyst simultaneously promotes liberation of HCl from indicated compounds and hydrochlorination of double bonds in polymer chain. EFFECT: increased degree of hydrochlorination to 91%. 1 tbl, 2 ex

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RU 2 142 962 C1

Authors

Khusnutdinov R.I.

Latypov V.N.

Muslimov Z.S.

Dzhemilev U.M.

Dates

1999-12-20—Published

1997-09-29—Filed

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