EPDM and/or EPR rubber/silicone compositions

Details EPDM and/or EPR rubber/silicone compositions EPDM and/or EPR rubber/silicone compositions

1988-03-30

1989-02-28

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 92, 524 93, 524254, 524255, C08K 534

Patent

active

048086436

ABSTRACT:
EPDM and/or EPR rubber/silicone compositions having improved thermal properties, well adapted for the production of a wide variety of useful shaped articles, e.g., automotive seals, gaskets and belts, include a 2-mercapto-benzimidazole or salt thereof, preferably the zinc salt, an antioxidant comprising a secondary amine function, a diorganopolysiloxane oil, appropriate filler material and a peroxide crosslinking catalyst.

REFERENCES:
patent: 4376184 (1983-03-01), Itoh et al.

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