The covulcanizability of epichlorohydrin rubber (ECO) and nitrile r ub ber(NBR),effect of amount of covulcanizer on the mechanical and air aging proper ties,oil resistance of ECO and NBR were studied.

• 研究了二元共聚氯醚橡胶(ECO)与丙烯腈质量分数为41%25的丁腈橡胶(NBR)的共硫化性以及共硫化剂用量对ECO/NBR物理机械性能、耐老化性能、耐油性能的影响。