防老剂对氯化聚乙烯橡胶性能的影响  

Effects of Antioxidants on Properties of CM

作　　者：王文艳[1] 付丽[1] 张振秀[1] 辛振祥[1] 

机构地区：[1]青岛科技大学橡塑材料与工程教育部重点实验室,山东青岛266042

出　　处：《橡胶工业》2012年第3期166-169,共4页China Rubber Industry

摘　　要：研究不同防老剂对氯化聚乙烯橡胶(CM)性能的影响。结果表明:加入不同防老剂的CM胶料ML和MH减小,t10和t90延长,CM硫化胶的硬度、100%定伸应力和拉伸强度增大,拉断伸长率减小;交联密度随老化时间的延长而呈增大趋势。当防老剂RD用量为2份时,CM硫化胶的耐热氧老化性能最优。The effects of different antioxidants on the properties of CM were investigated. The re- sults showed that,the ML and MH of CM compound with different antioxidants decreased,t10 and tg0 ex- tended,the hardness,modulus at 100% elongation and tensile strength of CM vulcanizate increased, and the elongation at break decreased. As aging time extended, the crosslink density tended to in- crease. When the addition level of antioxidant RD was 2 phr,the thermo-oxidative aging resistance of CM vulcanizate was the best.

关 键 词：氯化聚乙烯橡胶 防老剂 耐热氧老化性能 

分 类 号：TQ333.92[化学工程—橡胶工业] TQ330.382