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2 065 451

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C1

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IPC

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Application

95101606/04, 1995-02-16

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Actual filing date

1995-02-16

(45)

Published

1996-08-20

(72)

Inventor

Sigov O.V.Gusev Ju.K.Fil' V.G.Rukina O.A.Molodyka A.V.Kudrjavtsev L.D.Privalov V.A.

(73)

Holder

Voronezhskij Filial Gosudarstvennogo Predprijatija Institut Sinteticheskogo Kauchuka Im. S.V.Lebedeva"

METHOD OF RUBBER PRODUCTION Russian patent published in 1996 - IPC

Abstract RU 2065451 C1

FIELD: rubber industry, rubber of emulsion polymerization. SUBSTANCE: method involves rubber production by emulsion polymerization of diene monomers or their copolymerization with vinylaromatic monomers in the presence of radical initiating agent, emulsifier, disperser followed by rubber isolation from latex. Emulsifier - sodium or potassium salt of nondisproportionated tall oil or their mixture with sodium or potassium salts of nondisproportionated colophony at ratio of tall oil salts and colophony from 4:1 to 1:2. Initiating agent - 4,4-azo-bis-(4-cyanovaleric acid) sodium or potassium salt at dose 0.03-0.30 mas. p. per 100 mas. p. monomers at polymerization point 50-70 C. EFFECT: simplified technology, retained quality of rubber. 3 tbl

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RU 2 065 451 C1

Authors

Sigov O.V.

Gusev Ju.K.

Fil' V.G.

Rukina O.A.

Molodyka A.V.

Kudrjavtsev L.D.

Privalov V.A.

Dates

1996-08-20—Published

1995-02-16—Filed

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