RUBBER MIXTURE FOR CARCASS-CUSHION RUBBERS Russian patent published in 2003 - IPC

Abstract RU 2218366 C2

FIELD: rubber-processing industry; tire production. SUBSTANCE: the invention relates to the field of the rubber mixtures used for carcass-cushion rubbers production. The rubber mixtures used for the carcass-cushion rubbers contains (mass share): synthetic cis-1.4-polyizoprene with contents of links in a cis-position of no less than 96 % - 70-90, natural rubber - 10-30, a vulcanizing group - 4.5-6.0, the activator - zinc white - 1.0-5.0, dispersing agent - 2.0-4.0, plasticizers - 10.0-15.0, antiscorching - 0.3-0.6, filler - technical carbon - 50-70, rubber production wastes - 10-17. At that natural rubber is presented in an unplasticized state. Such mixture is prepared in a masticator. EFFECT: improved adhesiveness, cohesive strength of elastic - strength and dynamic parameters of rubbers. 2 tbl, 3 ex

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RU 2 218 366 C2

Authors

Nikitina E.L.

Usachev S.V.

Kotel'Nikova M.A.

Sergeeva N.L.

Urjadov V.Ju.

Babjuk D.N.

Dates

2003-12-10—Published

2002-02-21—Filed