Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Enhancing Thermal Conductivity in Epoxy Composites with Functionalized Boron Nitride Nanosheets

  • Yang Soo Kim (Korea Basic Science Institute) ;
  • Ik-Tae Im (Department of Mechanical Design Engineering, Jeonbuk National University) ;
  • Jong Seok Kim (School of Chemical Engineering, Jeonbuk National University)
  • Received : 2023.10.26
  • Accepted : 2023.11.21
  • Published : 2023.12.27
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Abstract

This comprehensive study delves into the intricate process of exfoliating and functionalizing boron nitride nanosheets (BNNSs) extracted from hexagonal boron nitride (h-BN), and meticulously explores their potential application within epoxy composites. The extensive research methodology encompasses a sequence of treatments involving hydrothermal and sonication processes aimed at augmenting the dispersion of BNNSs in solvents. Leveraging advanced analytical techniques such as Raman spectroscopy, X-ray diffraction, and FTIR spectroscopy, the study rigorously analyzes a spectrum of changes in the BNNS's properties, including layer count variations, interlayer interactions, crystal structure modifications, and the introduction of functional groups. The research also rigorously evaluates the impact of integrating BNNSs, specifically glycidyl methacrylate (GMA)-functionalized BNNSs, on the thermal conductivity of epoxy composites. The conclusive findings exhibit notable enhancements in thermal properties, predominantly attributed to the enhanced dispersion of fillers and enhanced interactions within the epoxy matrix. This pioneering work illuminates the wide potential of functionalized BNNSs for significantly enhancing the thermal conductivity of epoxy composites, paving the way for advanced materials engineering and practical applications.

Keywords

Acknowledgement

This work was supported by the Jeonbuk National University research fund for 2022.

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