文章摘要
Effect of Microwave Modification on Payne Effect and Properties of Magnetic SBR
Received:November 15, 2021  Revised:November 15, 2021
DOI：10.12136/j.issn.1000-890X.2022.05.0323
Key Words: magnetic SBR；strontium ferrite；microwave modification；Payne effect；bound rubber content；tensile property；damping property
Author NameAffiliationE-mail
XU　Jian Yangzhou University 283723482@qq.com 
XU Xiangrong Yangzhou University  
YANG Xinlin Yangzhou University  
LIU Junliang* Yangzhou University liujunliang@yzu.edu.cn 
ZHANG　Ming Yangzhou University  
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Abstract:
      In this study，the surface of SrM filler was in situ modified by using microwave to solve the interface problem of magnetic SBR，and different strontium ferrite（SrM）/styrene-butadiene rubber（SBR）magnetic composites were prepared by changing microwave treatment process conditions. The relationship between the Payne effect of the SrM/SBR blends and the tensile property and damping property of magnetic SBR was investigated. The results showed that the bound rubber content on the ferrite surface in SrM/SBR blends could be regulated by changing the microwave treatment process conditions，and it was found that excessive microwave treatment time or excessive microwave treatment power would lead to a decrease of the bound rubber content of SrM/SBR blends. The Payne effect of SrM/SBR blends had good correlations with its bound rubber content and Fmax of SrM/SBR compounds，and the changing trends of the Payne effect of SrM/SBR blends and the tensile strength and damping properties of SrM/SBR vulcanizates were basically consistent. The magnetic SBR prepared when the microwave treatment power was 800 W and the microwave treatment time was 6 min had the best damping property and high tensile strength，and its loss factortemperature curve area increased by 7.3% compared with the magnetic SBR without microwave treatment.
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