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2 174 128

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IPC

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Application

2000107450/04, 2000-03-27

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Start date

2000-03-27

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Actual filing date

2000-03-27

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Published

2001-09-27

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Inventor

Minsker K.S.Berlin A.A.Fafurin A.V.Deberdeev R.Ja.Zakharov V.P.Kurochkin L.M.D'Jakonov G.S.Takhavutdinov R.G.Afanas'Ev I.D.Afanas'Eva O.I.Rjazanov Ju.I.Ukhov N.I.Gil'Mutdinov N.R.Zijatdinov A.Sh.Sakhabutdinov A.G.Pogrebtsov V.P.Akhmetchin S.A.

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Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF CONTINUOUS SOLUBLE COPOLYMERIZATION AND POLYMERIZATION REACTOR FOR CARRYING IT OUT Russian patent published in 2001 - IPC

Abstract RU 2174128 C1

FIELD: synthetic rubber industry. SUBSTANCE: described is preparation of ethylene-propylene diene copolymer in polymerization reactor. Also described are devices for carrying out process of polymerization of ethylene-propylene rubbers. Described is method of continuous soluble copolymerization comprising preparation of solution of gas liquid mix comprising monomers, hydrocarbon solvent or solvents and hydrogen, dissolution of catalyst complex components, feeding gas- liquid mix solution into lower portion of polymerization reactor provided with stirrer, feeding solutions of catalyst complex components into polymerization reactor, copolymerization during stirring of reaction mixture at higher pressure and temperature preparation of solution of catalyst complex components being carried out separately in parallel streams by turbulent mixing followed by separately feeding thereof through common head coaxially above reaction mixture surface, although one of streams has Weber criterion of greater than 0.5. Also described is polymerization reactor for carrying it out. EFFECT: stable quality of ethylene-propylene copolymers with uniform distribution of ethylene-propylene units and lower consumption of catalyst complex. 3 cl, 3 dwg, 5 ex, 1 tbl

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RU 2 174 128 C1

Authors

Minsker K.S.

Berlin A.A.

Fafurin A.V.

Deberdeev R.Ja.

Zakharov V.P.

Kurochkin L.M.

D'Jakonov G.S.

Takhavutdinov R.G.

Afanas'Ev I.D.

Afanas'Eva O.I.

Rjazanov Ju.I.

Ukhov N.I.

Gil'Mutdinov N.R.

Zijatdinov A.Sh.

Sakhabutdinov A.G.

Pogrebtsov V.P.

Akhmetchin S.A.

Dates

2001-09-27—Published

2000-03-27—Filed

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