Patent ID: 8906274
Filing Date: 2014-12-09
Classification: B29C,C08J,C08K,C08L,C09K,Y10T

Abstract:
1. A sealing material prepared by vulcanizing and foaming a mixture comprising a rubber component comprising a copolymer rubber of ethylene, an α-olefin having 3 or more carbon atoms, and a non-conjugated diene, a vulcanizing agent, and a blowing agent, and then subjecting the mixture to a cell breakage treatment, characterized in that the mixture further comprises a fatty acid calcium salt and a fatty acid zinc salt, wherein the density of the sealing material is in the range of 0.03 to 0.12 g/cm wherein the content of the fatty acid calcium salt is in the range of 0.1 to 6.0 parts by weight, based on 100 parts by weight of the rubber component.