SCI和EI收录∣中国化工学会会刊

Chin.J.Chem.Eng. ›› 2015, Vol. 23 ›› Issue (5): 853-859.DOI: 10.1016/j.cjche.2014.05.022

• MATERIALS AND PRODUCT ENGINEERING • Previous Articles     Next Articles

Modified graphite filled natural rubber composites with good thermal conductivity

Junping Song1, Lianxiang Ma1, Yan He1, Haiquan Yan1, Zan Wu2,3, Wei Li2   

  1. 1 Qingdao University of Science and Technology, Qingdao 266061, China;
    2 Department of Energy Engineering, Zhejiang University, Hangzhou 310027, China;
    3 Department of Energy Sciences, Lund University, Lund SE-22100, Sweden
  • Received:2014-01-08 Revised:2014-05-03 Online:2015-06-26 Published:2015-05-28
  • Contact: Lianxiang Ma, Yan He
  • Supported by:

    Supported by the National Natural Science Foundation of China (51076070, 51276091), the Natural Science Foundation of Shandong Province (ZR2012EEQ017), and the Research Award Fund for Outstanding Young Scientists in Shandong province (BS2012CL014).

Modified graphite filled natural rubber composites with good thermal conductivity

Junping Song1, Lianxiang Ma1, Yan He1, Haiquan Yan1, Zan Wu2,3, Wei Li2   

  1. 1 Qingdao University of Science and Technology, Qingdao 266061, China;
    2 Department of Energy Engineering, Zhejiang University, Hangzhou 310027, China;
    3 Department of Energy Sciences, Lund University, Lund SE-22100, Sweden
  • 通讯作者: Lianxiang Ma, Yan He
  • 基金资助:

    Supported by the National Natural Science Foundation of China (51076070, 51276091), the Natural Science Foundation of Shandong Province (ZR2012EEQ017), and the Research Award Fund for Outstanding Young Scientists in Shandong province (BS2012CL014).

Abstract: The rubber composites with good thermal conductivity contribute to heat dissipation of tires. Graphite filled natural rubber composites were developed in this study to provide good thermal conductivity. Graphite was coated with polyacrylate polymerized bymonomers including methyl methacrylate, n-butyl acrylate and acrylic acid. The ratios between a filler and acrylate polymerization emulsion and those between monomers were varied. Eight types of surface modification formulas were experimentally investigated. Modification formula can affect coating results and composite properties greatly. The best coating type was achieved by a ratio of 1:1 between methyl methacrylate and n-butyl acrylate. The coating of graphitewas thermally stable in a running tire. Filled with modified graphite, the tire thermal conductivity reached up to 0.517-0.569 W·m-1·K-1. In addition, the mechanical performance was improved with increased crosslink density, extended scorch time and short vulcanization time.

Key words: Graphite, Natural rubber, Thermal conductivity, Tire, Polyacrylate

摘要: The rubber composites with good thermal conductivity contribute to heat dissipation of tires. Graphite filled natural rubber composites were developed in this study to provide good thermal conductivity. Graphite was coated with polyacrylate polymerized bymonomers including methyl methacrylate, n-butyl acrylate and acrylic acid. The ratios between a filler and acrylate polymerization emulsion and those between monomers were varied. Eight types of surface modification formulas were experimentally investigated. Modification formula can affect coating results and composite properties greatly. The best coating type was achieved by a ratio of 1:1 between methyl methacrylate and n-butyl acrylate. The coating of graphitewas thermally stable in a running tire. Filled with modified graphite, the tire thermal conductivity reached up to 0.517-0.569 W·m-1·K-1. In addition, the mechanical performance was improved with increased crosslink density, extended scorch time and short vulcanization time.

关键词: Graphite, Natural rubber, Thermal conductivity, Tire, Polyacrylate