Synergetic effect of hybrid boron nitride and multi-walled carbon nanotubes on the thermal conductivity of epoxy composites |
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| Authors: | Chih-Chun Teng Chen-Chi M. Ma Kuo-Chan Chiou Tzong-Ming Lee Yeng-Fong Shih |
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| Affiliation: | 1. Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu 30043, Taiwan;2. Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsin-Chu 31040, Taiwan;3. Department of Applied Chemistry, Chaoyang University of Technology, Taichung 41349, Taiwan |
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| Abstract: | This study investigates the synergistic effect of combining multi-walled carbon nanotubes (MWCNTs) and boron nitride (BN) flakes on thermally conductive epoxy composite. The surface of the two fillers was functionalized to form covalent bonds between the epoxy and filler, thereby reducing thermal interfacial resistance. The hybrid filler provided significant enhancement of thermal conductivity, adding 30 vol% modified BN and 1 vol% functionalized MWCNTs achieving a 743% increase in thermal conductivity (1.913 W mK−1, compared to 0.2267 W mK−1 of neat epoxy). |
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| Keywords: | A. Nitrides A. Composite materials A. Interfaces D. Thermal conductivity |
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