The effects of TDDM ( tert-dodecyl mercaptan) content on ABS in the CPVC/ ABS blends were investigated. Mechanical and morphology properties together with the dynamic mechanical analysis of CPVC/ ABS blends were studied. 研究了分子量调节剂TDDM(叔十二烷基硫醇)含量对CPVC/ABS共混物力学性能,形态结构,动态力学性能的影响。