Evaluation of electric, morphological and thermal properties of thermally conductive polymer composites

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Natural graphite powder was introduced into a linear low density polyethylene (LLDPE) to improve the thermal conductivity. The thermal conductivity of LLDPE/graphite composites is increased by more than seventeen times with increase in filler content up to 30 vol.% as compared to that of LLDPE matrix. The percolation threshold for these composites is equal to 10 vol.%. LLDPE/graphite composites can be used as cost effective thermally dissipative materials for electrical engineering and electronic devices due to the high thermal conductivity and thermal diffusivity.

Original languageEnglish
Pages (from-to)875-882
Number of pages8
JournalApplied Thermal Engineering
Publication statusPublished - 5 Dec 2015



  • Heat sink
  • LED-lamp
  • Polymer/graphite composites
  • Thermal conductivity
  • Thermal diffusivity

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Industrial and Manufacturing Engineering

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