Process for producing rubber composition, process for producing vulcanized molded article of rubber composition, and process for producing vulcanized and foamed molded article of rubber composition

摘要

A process for producing a rubber composition, which comprises the step of kneading at least (A) 100 parts by weight of a pellet containing an ethylene-α-olefin-non-conjugated diene copolymer rubber, the pellet having a covering layer comprising a thermoplastic resin, (B) 10 to 200 parts by weight of a reinforcing material, and (C) 1 to 200 parts by weight of a softener; and a process for producing a vulcanized (further foamed) molded article of the rubber composition.