Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Improvement of Thermal and Electrical Conductivity of Epoxy/boron Nitride/silver Nanoparticle Composite

열전도도 및 전기전도도가 향상된 에폭시/보론나이트라이드/은나노입자 복합체의 제조

  • Kim, Seungyong (Multifunctional Structural Composite Research Center, Korea Institute of Science and Technology) ;
  • Lim, Soonho (Multifunctional Structural Composite Research Center, Korea Institute of Science and Technology)
  • 김승용 (한국과학기술연구원 다기능구조용복합재료연구센터) ;
  • 임순호 (한국과학기술연구원 다기능구조용복합재료연구센터)
  • Received : 2016.11.03
  • Accepted : 2017.02.14
  • Published : 2017.06.01
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Abstract

In this study, we investigated the effect of BN (boron nitride) on the thermal and the electrical conductivity of composites. In case of epoxy/BN composites, the thermal conductivity was increased as the BN contents were increased. Epoxy/AgNP (Ag nanoparticle) nanocomposites exhibited a slight change of thermal conductivity and showed a electrical percolation threshold at 20 vol% of Ag nanoparticles. At the fixed Ag nanoparticle content below the electrical percolation threshold, increasing the amount of BN enhanced the electrical conductivity as well as thermal conductivity for the epoxy/AgNP/BN composites.

본 연구에서는 은나노입자 및 보론나이트라이드의 혼합이 열전도도 및 전기전도도에 미치는 효과에 대해 고찰하였다. 에폭시/보론나이트라이드 복합체의 경우 열전도도가 보론나이트라이드의 함량에 비례하여 증가하였으며 에폭시/은나노입자의 경우는 열전도도가 크게 변화 없었으며 전기전도도는 20 vol%에서 퍼콜레이션 현상을 보여주었다. 퍼콜레이션 함량 이하에서 은나노입자를 고정시키고 보론나이트라이드를 첨가하여 조사한 결과 전기전도도 및 열전도도가 크게 향상됨을 알 수 있었다.

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References

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