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2 177 009

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Application

99114661/04, 1999-07-06

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Start date

1999-07-06

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Actual filing date

1999-07-06

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Published

2001-12-20

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Inventor

Abramova N.V.Bataev I.P.Bataeva L.P.Golovachev A.M.Konovalov V.I.Lavrinenko N.I.Sire E.M.Tokar' A.E.Shcherban' G.T.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD OF PREPARING BUTYL RUBBER Russian patent published in 2001 - IPC

Abstract RU 2177009 C2

FIELD: preparation of synthetic rubbers, more particularly butyl rubber used in petrochemical industry. SUBSTANCE: process of copolymerization of monomers is carried out at total content of protonated complexes from 5 to 45 % in catalyst, ratio of content of protonated complex based on alkylaluminum dichloride to content of protonated complex based on alkyl aluminum chloride ranging from 0: 1 to 0.5:1. EFFECT: improved quality of rubber, greater efficiency and lower stock losses. 1 dwg, 1 tbl

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RU 2 177 009 C2

Authors

Abramova N.V.

Bataev I.P.

Bataeva L.P.

Golovachev A.M.

Konovalov V.I.

Lavrinenko N.I.

Sire E.M.

Tokar' A.E.

Shcherban' G.T.

Dates

2001-12-20—Published

1999-07-06—Filed

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