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2 091 395

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Application

95106015/04, 1995-04-17

(22)

Actual filing date

1995-04-17

(45)

Published

1997-09-27

(72)

Inventor

Aksenov V.I.Golovina N.A.Murachev V.B.Nesmelov A.I.Byrikhin V.S.Grishchenko A.I.Zolotarev V.L.Sklovskij M.D.Shashkina E.F.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju

CATALYST FOR PREPARING POLYISOBUTYLENE Russian patent published in 1997 - IPC

Abstract RU 2091395 C1

FIELD: polymerization of rubbers, more particularly synthetic rubber industry. SUBSTANCE: resulting polymer is used in the manufacture of addition agents, lubricants, glues and other products. Catalyst composition includes diisobutyl aluminium chloride, carbon tetrachloride and water at molar ratio within 1:0.0005:0.001 to 1:1200:6, and amount of diisobutyl aluminium chloride is from 0.0005 to 1.2 mole per 100 mg of isobutylene. Catalyst makes it possible to obtain low molecular weight polyisobutylene in hydrocarbon solvent (toluene, n-hexane, or the like) at temperature from 0 to 50 C. EFFECT: more efficient preparation method. 1 tbl

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RU 2 091 395 C1

Authors

Aksenov V.I.

Golovina N.A.

Murachev V.B.

Nesmelov A.I.

Byrikhin V.S.

Grishchenko A.I.

Zolotarev V.L.

Sklovskij M.D.

Shashkina E.F.

Dates

1997-09-27—Published

1995-04-17—Filed

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