Patent ID: 7417084

Claim:
A rubber compound comprising: (A) a rubber selected from the group consisting of natural rubber, a rubber derived from one or more diene monomers, and mixtures thereof; (B) from about 0.05 to about 10 phr of an organothiosulfate; and (C) from about 0.1 to about 10 phr of a bismaleimide compound selected from the group consisting of N,N′-ethylenebismaleimide, N,N′-hexamethylenebismalemide, N,N′-(m-phenylene)bismaleimide, N,N′-(p-phenylene)-bismaleimide, N,N′-(p-tolylene)bismaleimide, N,N′-(oxydi-p-phenylene)bismaleimide, α,α-bis-(4-p-phenylene)-bismaleimide, N,N′-m-xylylene-bis-citraconic imide, and α,α-bis-(4-maleimidophenyl)-meta-diisopropylbenzene.