Patent ID: 6465607
Filing Date: 2002-10-15
Classification: B32B,C08J,C08L,F16F

Abstract:
A vibration damping rubber member having excellent durability, wherein an improvement comprises:the vibration damping rubber member being produced by vulcanizing a composition in which an unvulcanized natural rubber material and an unvulcanized acrylic rubber material are evenly mixed together in a proportion of 90/10Ëœ60/40 by weight, and unvulcanized natural rubber material and said unvulcanized acrylic rubber material being mutually incompatible with one another, and fine particles of a vulcanized acrylic rubber having a size of 1Ëœ100 &mgr;m and produced by vulcanization of said unvulcanized acrylic rubber material being dispersed in a matrix phase of a vulcanized natural rubber produced by vulcanization of said unvulcanized natural rubber material.