| abstract |
PROBLEM TO BE SOLVED: To provide a natural rubber and diene rubber compound excellent in adhesion to an aramid cord fiber having excellent performance as a tire reinforcing material. (A) natural rubber or diene rubber; (B) hydrated thiosulfate and (c) the following formula: Wherein R is an acyclic aliphatic group, a cycloaliphatic group, an aromatic group or an alkylaromatic group, wherein these divalent groups contain a heteroatom selected from O, N and S may Idei, X is an integer from 0 or 1 3, Y is prepared a rubber compound which is characterized in that it comprises a hydrogen or -CH 3.) bismaleimide compound represented by the. |