Vulcanizates of EPDM and diene rubber blends

Details Vulcanizates of EPDM and diene rubber blends Vulcanizates of EPDM and diene rubber blends

1974-11-29

1977-02-15

Bleutge, John C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4R, 260 795B, 260551S, 260889, 260897A, C08L 700, C08L 900, C08L 2316

Patent

active

040081907

ABSTRACT:
Polymer blends of ethylene-higher .alpha.-olefin-polyene (EPDM) polymers with highly unsaturated diene rubbers are cured using sulfur and a N,N-(higher alkyl) thiocarbamylsulfenamide as a vulcanization accelerator. The vulcanizates exhibit improved tensile strength, flex-heat build-up, and oil swell properties.

REFERENCES:
patent: 2333468 (1940-11-01), Cooper
patent: 3678135 (1972-07-01), Mastromatteo et al.
patent: 3681303 (1972-08-01), D'Amico
patent: 3706819 (1972-12-01), Usamoto et al.
Halasa, Def. Pub. Search Copy of Ser. No. 56,212, filed July 13, 1970, Def. Pub. No. T896,004.
Halasa, Def. Pub. Search Copy of Ser. No. 56,211, filed July 13, 1970, Def. Pub. No. T889,009.

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