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2 141 871

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IPC

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Application

98112708/04, 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

Deberdeev R.Ja.Minsker K.S.Berlin A.A.D'Jakonov G.S.Nagumanova Eh.I.Kurochkin L.M.Mustafin Kh.V.Gil'Mutdinov N.R.Rjazanov Ju.I.Shamanskij V.A.Pogrebtsov V.P.Vorob'Ev A.I.Burganov T.G.Salakhutdinov R.G.Borejko N.P.

(73)

Holder

Oao

METHOD OF PRODUCTION OF ETHYLENE-PROPYLENE COPOLYMERS AND POLYMERIZER FOR ITS EMBODIMENT Russian patent published in 1999 - IPC

Abstract RU 2141871 C1

FIELD: production of polymers, synthetic rubber industry, particularly, methods of production of ethylene-propylene or ethylene-propylene-diene copolymer in offered mixing reactor. SUBSTANCE: method includes dissolving in hydrocarbon solvent of monomers, hydrogen and components of catalytic complex; supply of solution of gas-liquid mixture of monomers, solvent and hydrogen into lower part of polymerizer provided with mixer, supply of solutions of catalytic complex components by means of inlet pipe unions to polymerizer; copolymerization with mixing of reaction mass at high pressure and temperature. Method is distinguished by the fact that prior to separate supply of solutions of catalytic complex components to polymerizer, respective components of catalytic complex are prepared in flow in solvent, containing monomers in turbulent mixing in tubular nozzles of respective inlet pipe unions. In this case, reaction of components of catalytic complex is conducted in gas medium in crossing or contacting of dispersed flows inside polymerizer. EFFECT: stable quality of ethylene-propylene copolymers with uniform distribution of ethylene-propylene links. 2 cl, 4 dwg, 1 tbl

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RU 2 141 871 C1

Authors

Deberdeev R.Ja.

Minsker K.S.

Berlin A.A.

D'Jakonov G.S.

Nagumanova Eh.I.

Kurochkin L.M.

Mustafin Kh.V.

Gil'Mutdinov N.R.

Rjazanov Ju.I.

Shamanskij V.A.

Pogrebtsov V.P.

Vorob'Ev A.I.

Burganov T.G.

Salakhutdinov R.G.

Borejko N.P.

Dates

1999-11-27—Published

1998-07-08—Filed

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