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2 141 873

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IPC

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Application

98112710/04, 1998-07-08

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Start date

1998-07-08

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Actual filing date

1998-07-08

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Published

1999-11-27

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Inventor

Minsker K.S.Berlin A.A.Deberdeev R.Ja.D'Jakonov G.S.Kurochkin L.M.Galiev R.G.Mustafin Kh.V.Gil'Mutdinov N.R.Shamanskij V.A.Zijatdinov A.Sh.Burganov T.G.Abzalin Z.A.Salakhutdinov R.G.Akhmetchin S.A.

(73)

Holder

Oao

METHOD OF CONTINUOUS COPOLYMERIZATION IN SOLUTION AND MIXING REACTOR FOR ITS EMBODIMENT Russian patent published in 1999 - IPC

Abstract RU 2141873 C1

FIELD: production of polymers, synthetic rubber industry, particularly, methods of production of ethylene-propylene or ethylene-propylenediene copolymer in offered mixing reactor. SUBSTANCE: method of continuous copolymerization in solution includes dissolving in hydrocarbon solvent of monomers, hydrogen and catalytic complex components; supply of solution of gas-liquid mixture containing monomers, solvent and hydrogen into lower part of reactor provided with mixer; supply of solutions of catalytic complex components into reactor; copolymerization in mixing of reaction mass at high pressure and temperature. Method is distinguished by the fact that preparation of gas-liquid mixture of monomers, hydrogen, solvent and separate dissolving of catalytic complex components in solvent are carried out in flow with turbulent mixing in tubular nozzles in respective inlet pipe unions of reactor at flow velocity of, at least, 3 ± 2 m/s for gas-liquid mixture and, at least, 0.3 m/s for components of catalytic complex. Description of reactor for embodiment of the claimed method is offered. EFFECT: efficiency method and device for continuous polymerization in solution with production of uniform copolymer. 2 cl, 4 dwg, 1 tbl

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RU 2 141 873 C1

Authors

Minsker K.S.

Berlin A.A.

Deberdeev R.Ja.

D'Jakonov G.S.

Kurochkin L.M.

Galiev R.G.

Mustafin Kh.V.

Gil'Mutdinov N.R.

Shamanskij V.A.

Zijatdinov A.Sh.

Burganov T.G.

Abzalin Z.A.

Salakhutdinov R.G.

Akhmetchin S.A.

Dates

1999-11-27—Published

1998-07-08—Filed

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