文章摘要
Effect of Water Swellable Powders on Properties of EPDM Water Swellable Rubber
Received:February 24, 2023  Revised:February 28, 2023
DOI：10.12136/j.issn.1000-890X.2024.11.0830
Key Words: EPDM；water swellable rubber；water swellable powder；water absorption performance；tensile property
Author NameAffiliationE-mail
GAO Zhenliang 青岛科技大学 1832931673@qq.com 
ZHANG Weijian 青岛科技大学  
JIAO Yifan 科学院大学  
LIU Xiao 海晟泰股份有限公司  
ZHANG Baogang* 青岛科技大学 zbg0302@163.com 
LIU Li 青岛科技大学  
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Abstract:
      The effect of water swellable powders（XS102，XS103 and XS104） on the properties of ethylene-proplene-diene rubber（EPDM） water swellable rubber was studied.The results showed that，the crosslinking degree of EPDM water swellable rubber with XS102 was the largest，and water absorption performance was the best.The water absorption rate of EPDM water swellable rubber with XS103 and XS104 was the fastest ，but the precipitation of XS103 and XS104 was severe.The tensile properties of EPDM water swellable rubber with three types of water swellable powders were not significantly different.As the increase of XS102 dosage，the flowability of EPDM water swellable rubber deteriorated，the processing performance decreased，the crosslinking degree was reduced，the interaction force with rubber matrix and the saturation water absorption rate increased，and the tensile properties decreased.When XS102 dosage was 90 phr，the water absorption performance and tensile properties of EPDM water swellable rubber were the comprehensively best.
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