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Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites
Published on: September 19, 2020
Polymer composites based on hexagonal boron nitride and their application in thermally conductive composites
Cuiping Yu1,2, Jun Zhang2, Wei Tian1
1The Key Laboratory of Space Applied Physics and Chemistry, Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Science, Northwestern Polytechnical University Xi'an 710072 PR China happytw_3000@nwpu.edu.cn.
Hexagonal boron nitride (h-BN), or "white graphite," offers excellent thermal conductivity and electrical insulation. This review explores h-BN nanosheet preparation and its use in composites for efficient thermal pathways.
Area of Science:
- Materials Science
- Nanotechnology
- Composite Materials
Background:
- Hexagonal boron nitride (h-BN), known as "white graphite," possesses a 2D planar structure leading to anisotropic thermal conductivity.
- Distinct from graphite, h-BN offers electrical insulation, superior antioxidative ability, and a white appearance.
- These properties make h-BN an ideal filler for composites needing both thermal conductivity and electrical insulation.
Purpose of the Study:
- To review the preparation methods for boron nitride nanosheets.
- To discuss the fabrication of h-BN-filled composites.
- To explore the construction of thermally conductive networks within these composites.
Main Methods:
- Preparation of boron nitride nanosheets.
- Fabrication of h-BN-filled composites.
- Analysis of thermally conductive network construction.
Main Results:
- h-BN nanosheets can be effectively prepared for composite applications.
- Various methods exist for fabricating h-BN-filled composites.
- Optimizing network construction is key to enhancing composite thermal performance.
Conclusions:
- h-BN is a promising material for thermally conductive and electrically insulating composites.
- The review provides insights into h-BN preparation and composite fabrication.
- Further research on network construction can optimize thermal management in advanced materials.
