A rubber composition comprising a diene based elastomer and an adhesion promoter derived from a flavone, a methylene donor and a methylene acceptor is disclosed. The rubber composition is essentially free of cobalt. Also, a pneumatic tire comprising such a rubber composition is disclosed.
本发明公开了一种橡胶组合物,该组合物包含一种二烯基弹性体和一种由
黄酮、亚甲基供体和亚甲基受体衍生的附着力
促进剂。该橡胶组合物基本上不含
钴。此外,还公开了一种包含这种橡胶组合物的充气轮胎。