C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 9/02 (2006.01) C08L 15/00 (2006.01) C08L 23/16 (2006.01)
Patent
CA 2152425
A rubber composition comprising (i) a nitrile group-containing highly saturated copolymer rubber, which is a product obtained by hydrogenating the conjugated diene portion of an unsaturated nitrile-conjugated diene copolymer, and (ii) an ethylene-.alpha.-olefin-non-conjugated diene copolymer rubber. The highly saturated copolymer rubber has an alkylthio group having 12 to 16 carbon atoms, which include at least three tertiary carbon atoms, and has a sulfur atom which is directly bound to at least one of the tertiary carbon atoms; and the highly saturated copolymer rubber further has a Mooney viscosity of 15 to 200 and an iodine value not larger than 80.
Nakajima Kazuyoshi
Oyama Motofumi
Nippon Zeon Co. Ltd.
Smart & Biggar
Zeon Corporation
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