文章摘要
Study on Properties of Pre-dispersion MWCNTs/EPDM Composites
Received:February 25, 2023  Revised:February 25, 2023
DOI：10.12136/j.issn.1000-890X.2025.01.0032
Key Words: MWCNTs；pre-dispersed；EPDM；vulcanization characteristic；physical property；conductivity performance
Author NameAffiliationE-mail
XU Shiqiang Qingdao University of Science and Technology 1475980538@qq.com 
LI Jian 江西黑猫炭黑股份有限公司  
TAN Bowen 青岛科技大学  
WU Mingsheng* 青岛科技大学 wumsh@qust.edu.cn 
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Abstract:
      The vulcanization characteristics，physical properties and conductivity performance of the pre-dispersion multi-walled carbon nanotubes（MWCNTs）/ethylene-propylene-diene rubber（EPDM）composites were studied by using the conductive filler of the pre-dispersion MWCNTs.The results showed that compared with the MWCNTs/EPDM composite，thet90 of the pre-dispersed MWCNTs/EPDM composite was significantly shorted，and the Mooney viscosity decreased，vulcanization efficiency and the well of processing properties increased.The tensile strength，elongation at break，tear strength and compressive set of the pre-dispersed MWCNTs/EPDM composite increased，and the stress at 100% elongation and rebound value decreased.The pre-dispersed MWCNTs/EPDM composite had more obvious conductive percolation phenomenon，and its conductive performance was improved.
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