文章摘要
Effect of POE Amounts on Properties of POE/BR Blends
Received:March 15, 2021  Revised:March 15, 2021
DOI：10.12136/j.issn.1000-890X.2022.08.0603
Key Words: BR；POE；blend；tensile strength；tear strength
Author NameAffiliationE-mail
YIN Jiajie Ningxia University，State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering 843628328@qq.com 
LUO Zhonglin Ningxia Shenzhou Tire Co.，Ltd，  
LUO Faliang* Ningxia University，State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering fll@nxu.edu.cn 
MA Qin Ningxia University，State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering  
LU Jing Ningxia University，State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering  
LIU Yongdong Ningxia University，State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering  
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Abstract:
      In order to broaden the application range of cis-polybutadiene rubber （BR），polyolefin thermoplastic elastomer（POE） was used to improve the tensile properties and tear resistance of BR，the effect of POE amounts on the properties of POE/BR blends was studied. The results showed that with the increase of POE amount，the t90 of POE/BR blends was shortened，the Mooney viscosity increased，the tensile strength and tear strength increased significantly. When the amount of POE reached 40 phr，the tensile strength and tear strength of POE/BR blend were nearly 1.7 times higher than that of the BR vulcanizate without POE，and the crack propagation on the tensile fractured section was rougher.
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