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Korean Chemical Engineering Research,
Vol.55, No.3, 426-429, 2017
Vol.55, No.3, 426-429, 2017
열전도도 및 전기전도도가 향상된 에폭시/보론나이트라이드/은나노입자 복합체의 제조
Improvement of Thermal and Electrical Conductivity of Epoxy/boron Nitride/silver Nanoparticle Composite
본 연구에서는 은나노입자 및 보론나이트라이드의 혼합이 열전도도 및 전기전도도에 미치는 효과에 대해 고찰하였다. 에폭시/보론나이트라이드 복합체의 경우 열전도도가 보론나이트라이드의 함량에 비례하여 증가 였으며 에폭시/은나노입자의 경우는 열전도도가 크게 변화 없었으며 전기전도도는 20 vol%에서 퍼콜레이션 현상을 보 주었다. 퍼콜레 이션 함량 이하에서 은나노입자를 고정시키고 보론나이트라이드를 첨가하여 조사한 결과 전기전도도 및 열전도도가 크게 향상됨을 알 수 있었다.
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
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