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Solid-state NMR investigation on mica-filled rubber composites

 

作者: YUANSHEN WANG,   XUECHENG XU,  

 

期刊: Composite Interfaces  (Taylor Available online 1993)
卷期: Volume 1, issue 2  

页码: 167-175

 

年代: 1993

 

DOI:10.1163/156855493X00059

 

出版商: Taylor & Francis Group

 

关键词: mica-filled rubber composites;solid-state NMR;dynamic mechanical measurements;interfacial effect of filler

 

数据来源: Taylor

 

摘要:

Rubber composites filled with carbon black and mica flakes were investigated by solid-state NMR and dynamic mechanical measurements. The results show that in rubber (butyl, EPDM, and chloroprene) and rubber composites filled with mica flakes there exists an interphase of considerable fraction with a different T1ρ value from the matrix. The hindered segmental motion in this interphase appears in the dynamic mechanical measurement with a high and broad tan δ and a high loss modulus E". The value of E" increases with increasing percentage of mica.

 

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