Application of Composite Powders Recycled from Graphite Tailings in Styrene-Butadiene Rubber

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• 作者：Yun Hai ; Libing Liao ; Guocheng Lv ; Faxiang Qin ; Lefu Mei ; Yaozu Wei
• 刊名：JOM Journal of the Minerals, Metals and Materials Society
• 出版年：2015
• 出版时间：November 2015
• 年：2015
• 卷：67
• 期：11
• 页码：2733-2738
• 全文大小：974 KB
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• 作者单位：Yun Hai (1)
  Libing Liao (1)
  Guocheng Lv (1)
  Faxiang Qin (2)
  Lefu Mei (1)
  Yaozu Wei (1)
  
  1. School of Material Sciences and Technology, China University of Geosciences, Beijing, 10083, China
  2. 1D Nanomaterials Group, National Institute for Material Science, 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Materials Science
  Metallic Materials
  Nanotechnology
  Crystallography
  
• 出版者：Springer Boston
• ISSN：1543-1851

文摘

With styrene-butadiene rubber (SBR) as matrix and composite powders recycled from graphite tailings as fillers, the influence of the particle size and content of the composite powders on the tensile strength and electrical conductivity of the composite powder-filled SBR were studied. The results showed that composite powder recycled from graphite tailings could reinforce SBR, whose tensile strength was significantly increased with reducing the particle size of the composite powder, but it had little effect on the conductivity of the system. With composite powders as fillers in conjunction with conductive carbon black, the tensile strength and electrical conductivity of the system were greatly improved. The maximum tensile strength of the SBR filled with composite powder and conductive carbon black increased by 47% compared to that of the single composite powder-filled SBR. When the filling content of conductive carbon black was 10 phr and that of composite powder was above 30 phr, the volume resistivity of SBR showed a sharp decline, reaching a minimum about 106 Ω cm at 40 phr. All the results indicated that composite powder recycled from graphite tailings can be applied effectively as filler in SBR. It has great economic and environmental benefits.