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http://dx.doi.org/10.7234/composres.2020.33.1.007

Development of Epoxy Composites with SWCNT for Highly Thermal Conductivity  

Kim, Hyeonil (Institute of Advanced Composite Materials, Korea Institute of Science and Technology(KIST))
Ko, Heung Cho (School of Materials Science and Engineering, Gwangju Institute of Science and Technology(GIST))
You, Nam-Ho (Institute of Advanced Composite Materials, Korea Institute of Science and Technology(KIST))
Publication Information
Composites Research / v.33, no.1, 2020 , pp. 7-12 More about this Journal
Abstract
Over the past decade, liquid crystalline epoxy (LCER) has attracted much attention as a promising matrix for the development of efficient heat dissipation materials. This study presents a comprehensive study including synthesis, preparation and chacterization of polymer/inorganic composites using typical 4,4-diglycidyloxybiphenyl (DP) epoxy among LECR. To confirm the thermal conductivity of composite materials, we have prepared composite samples composed of epoxy resin and single-wall carbon nanotube (SWCNT) as a filler. In particular, DP composites exhibit higher thermal conductivity than commercial epoxy composites that use the same type of filler due to the highly ordered microstructure of the LCER. In addition, the thermal conductivity of the DP composite can be controlled by controlling the amount of filler. In particular, the DP composite containing a SWCNT content of 50 wt% has the highest thermal conductivity of 2.008 W/mK.
Keywords
Liquid crystalline epoxy; Thermal conductivity; Composite material; Single wall carbon nanotube;
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