预分散多壁碳纳米管/三元乙丙橡胶复合材料的性能研究  

Study on Properties of Pre-dispersed MWCNTs/EPDM Composites

作　　者：许仕强 李健 谭博文 吴明生[1] XU Shiqiang;LI Jian;TAN Bowen;WU Mingsheng(Qingdao University of Science and Technology,Qingdao 266042,China;Jiangxi Black Cat Carbon Black Inc.,Ltd,Jingdezhen 333000,China)

机构地区：[1]青岛科技大学高分子科学与工程学院,山东青岛266042 [2]江西黑猫炭黑股份有限公司,江西景德镇333000

出　　处：《橡胶工业》2025年第1期32-38,共7页China Rubber Industry

基　　金：山东省重点研发计划项目(2019GGX102018)。

摘　　要：以预分散多壁碳纳米管(MWCNTs)为导电填料,研究预分散MWCNTs/三元乙丙橡胶(EPDM)复合材料的硫化特性、物理性能和导电性能。结果表明:与MWCNTs/EPDM复合材料相比,预分散MWCNTs/EPDM复合材料的t_(90)大幅缩短,门尼粘度减小,硫化效率和加工性能提高;预分散MWCNTs/EPDM复合材料的拉伸强度、拉断伸长率、撕裂强度和压缩永久变形增大,100%定伸应力和回弹值减小,预分散MWCNTs/EPDM复合材料有更明显的导电逾渗现象,导电性能提高。The vulcanization characteristics,physical properties and conductivity performance of the pre-dispersed multi-walled carbon nanotubes(MWCNTs)/ethylene-propylene-diene rubber(EPDM)composites were studied by using the pre-dispersed MWCNTs as conductive fillers.The results showed that compared with the MWCNTs/EPDM composite,the t_(90)of the pre-dispersed MWCNTs/EPDM composite was significantly shorted,the Mooney viscosity decreased,and the vulcanization efficiency and processing properties were improved.The tensile strength,elongation at break,tear strength and compression set of the pre-dispersed MWCNTs/EPDM composite increased,while the tensile stress at_(10)0%elongation and rebound value decreased.The pre-dispersed MWCNTs/EPDM composite had a more obvious conductive percolation phenomenon and improved conductivity performance.

关 键 词：多壁碳纳米管 预分散 三乙丙橡胶 硫化特性 物理性能 导电性能 

分 类 号：TQ330.383[化学工程—橡胶工业] TQ333.4