Zinc-free rubber composition useful for making hoses and seals comprises an ethylene copolymer, magnesium oxide, carbon black and selected additives

摘要

Zinc-free rubber composition comprises: (a) a copolymer of ethylene, an alpha -olefin and optionally a nonconjugated diene; (b) magnesium oxide; (c) carbon black; and (d) a compound (I) having a thio group and a carboxylate ester group, a compound (II) having a phenolic hydroxy group and/or a compound (III) having an acyl group and an imino group. An Independent claim is also included for a composition as above vulcanized with an organic peroxide.