Rubber blends of brominated isobutylene/para-methylstyrene copolymers of 9.5 to 20 weight percent aromatic monomer content and 0.2 to 1.0 mole percent benzylic bromine content. The blends have good cure characteristics, good adhesion and flex crack resistance, as well as ozone resistance. The blends are useful in tire sidewalls, and other applications.
溴化
异丁烯/对
甲基苯乙烯共聚物的橡胶混合物,芳香族单体含量为 9.5 至 20 重量百分比,苄基
溴含量为 0.2 至 1.0 摩尔百分比。这种共混物具有良好的固化特性、粘附性和抗弯曲裂纹性,以及耐
臭氧性。这种混合物可用于轮胎侧壁和其他应用。