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Application

98110400/04, 1998-06-02

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Start date

1998-06-02

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Actual filing date

1998-06-02

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Published

2000-02-20

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Inventor

Bazhenov Ju.P.Belokoz Z.V.Vasil'Ev V.A.Ventseslavskaja K.K.Kormer V.A.Kutuzov P.I.Kuritsyn Ju.A.Nasyrov I.Sh.Rakhimov R.Kh.Khvostik G.M.

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Institut Sinteticheskogo Kauchuka Im. S.V.Lebedeva"

METHOD OF PREPARING RUBBER-LIKE POLYMERS OF CYCLIC OXIDES Russian patent published in 2000 - IPC

Abstract RU 2145614 C1

FIELD: chemistry of polymers. SUBSTANCE: described is method of preparing rubber-like polymers by (co)polymerization of cyclic oxides in inert organic solvent on heating in the presence of complex triisobutyl aluminium-based catalyst in inert, hydrocarbon solution in continuous mode in two reactors connected in series followed by isolation of the desired product. Solution in inert hydrocarbon of triisobutyl aluminium is added into second reactor in amount of 50-100% based on weight of complex catalyst solution introduced into first reactor. Triisobutyl aluminium based complex catalyst is complex based on triisobutyl aluminium and/or diethylene glycol dimethyl ether. EFFECT: rubber-like (co)polymers based on cyclic oxides with high yield of the desired product. 16 ex, 2 tbl

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RU 2 145 614 C1

Authors

Bazhenov Ju.P.

Belokoz Z.V.

Vasil'Ev V.A.

Ventseslavskaja K.K.

Kormer V.A.

Kutuzov P.I.

Kuritsyn Ju.A.

Nasyrov I.Sh.

Rakhimov R.Kh.

Khvostik G.M.

Dates

2000-02-20—Published

1998-06-02—Filed

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