Journal of Industrial and Engineering Chemistry

  • Volume 33
  • /
  • Pages.150-155
  • /
  • 2016
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  • 1226-086X(pISSN)
  • /
  • 1876-794X(eISSN)
The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Aluminum hydroxide-CNT hybrid material for synergizing the thermal conductivity of alumina sphere/thermoplastic polyurethane composite with minimal increase of electrical conductivity

  • Kim, Jeong Ho (Department of Chemistry, Energy Harvest-Storage Research Center, University of Ulsan) ;
  • Dao, Trung Dung (Department of Chemistry, Energy Harvest-Storage Research Center, University of Ulsan) ;
  • Jeong, Han Mo (Department of Chemistry, Energy Harvest-Storage Research Center, University of Ulsan)
  • Received : 2014.12.25
  • Accepted : 2015.09.22
  • Published : 2016.01.25
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Abstract

Multi-walled carbon nanotube (CNT) was hybridized with aluminum hydroxide utilizing aluminum trichloride hexahydrate as a precursor to prepare a filler that can be utilized for a thermally conductive yet electrically insulative polymer composite. The thermal conductivity of an alumina sphere/thermoplastic polyurethane (TPU) mixture (100 parts) was enhanced 2 to 3-fold when 5 parts of this hybrid material (Al-CNT hybrid) was added as a synergizer for thermal conduction. This enhancement was better than that by CNT. Moreover, the electrical conductivity increase due to the added Al-CNT hybrid was marginal, whereas the increase was striking when CNT itself was added instead.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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