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Boron nitride surface modification and micro-nano composite

2018-04-16
Hexagonal boron nitride has excellent thermal conductivity, insulation and mechanical properties, and is widely used as a filler to enhance thermal conductivity, mechanical properties and dielectric properties of polymer materials; meanwhile, its excellent thermal stability and biocompatibility make it can be used as a carrier for nanoparticles or drugs and used in fields such as catalysis, detection and biomedicine. 
 

However, the stable chemical properties of boron nitride make it difficult to modify the surface, thereby affecting its dispersibility and the improvement of the properties of composite materials; and the boron nitride sheets in the composite materials prepared by the traditional method are arranged randomly and cannot fully utilize the in-plane High thermal conductivity, affect the improvement of thermal conductivity.