Patent ID: 6433089
Filing Date: 2002-08-13
Classification: C08J

Abstract:
A method for producing a rubber composition which is at least 50% crosslinked comprising combining a crosslinkable rubber (A) and a thermoplastic resin (B) together with a crosslinking agent (C) under crosslinking conditions, wherein the crosslinking agent (C) is combined with said crosslinkable rubber (A) and said thermoplastic resin (B) in step-wise manner whereby a partially crosslinked mixture is obtained having a degree of crosslinking of from 5-45% from a first addition of the crosslinking agent (C) and said partially crosslinked mixture is further crosslinked to a degree of crosslinking of 50% or higher by further addition of the crosslinking agent (C) to the partially crosslinked mixture under crosslinking conditions.