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2 096 426

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IPC

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Application

94044405/04, 1994-12-19

(22)

Actual filing date

1994-12-19

(45)

Published

1997-11-20

(72)

Inventor

Shcherban' G.T.Savel'Ev V.S.Vlasov G.Ja.Zelenova V.N.Konovalenko N.A.Filatova T.F.

(73)

Holder

Shcherban' Georgij Trofimovich

METHOD OF PREPARING VULCANIZING AGENT FOR RUBBER Russian patent published in 1997 - IPC

Abstract RU 2096426 C1

FIELD: vulcanization of rubber mixes. SUBSTANCE: vulcanizing agent is prepared by reacting sulfur with styrene or α- limonenone at 125-140 C at sulfur to unsaturated hydrocarbon molar ratio of 25:1 to 10:1 in the presence of maleic anhydride and subsequently reacting intermediate product with dicyclopentadiene or 5- ethyliden-2-norbornene in amount of 2.5-10.0 % based on weight of intermediate product. EFFECT: more efficient preparation method. 2 cl, 1 dwg , 6 tbl

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RU 2 096 426 C1

Authors

Shcherban' G.T.

Savel'Ev V.S.

Vlasov G.Ja.

Zelenova V.N.

Konovalenko N.A.

Filatova T.F.

Dates

1997-11-20—Published

1994-12-19—Filed

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