| abstract |
A cushion gum for bonding a tire tread to a tire carcass, the cushion gum comprising an essentially unsaturated diene elastomer, between (0.5) and (25) phr of a metal salt of a carboxylic acid and a peroxide curing system. The essentially unsaturated diene elastomer may be, in some embodiments, a highly unsaturated diene elastomer such as, for example, natural rubber. |