Elastomer composition for pneumatic tire treads

Details Elastomer composition for pneumatic tire treads Elastomer composition for pneumatic tire treads

C - Chemistry, Metallurgy

08

F

152/124, 402/403

C08F 210/18 (2006.01) B60C 1/00 (2006.01) C08F 232/08 (2006.01)

Patent

CA 1062398

ABSTRACT OF THE DISCLOSURE: A tire tread having both suitable skid resistance and hysteresis properties comprises an elastomeric tetrapolymer of ethylene an .alpha.-olefin a nonconjugated diene and at least one sterically hindering mono-olefin monomer consisting of a norbornene compound of the formula: Image in which R1, R2, R3, R4, R5, R6, R7, R8 represent hydrogen halogen an aliphatic cycloaliphatic or aromatic halogenated or unhalogenated hydrocarbon radical; the elastomeric tetrapolymer contains from about 3% to about 30% by weight of the sterically hindering mono-olefin monomer.

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