Fabrication of Highly Oriented Hexagonal Boron Nitride Nanosheet/Elastomer Nanocomposites with High Thermal Conductivity

Zhiqiao Kuang, Yulong Chen, Yonglai Lu, Li Liu1, Shui Hu, Shipeng Wen, Yingyan Mao andLiqun Zhang

A homogeneous dispersion of hexagonal boron nitride nanosheets (BNNSs) in elastomers is obtained by solution compounding methods, and a high orientation of BNNSs is achieved by strong shearing. The composites show high thermal conductivities, especially when BNNS loading exceeds 17.5 vol%, indicating that the material is promising for thermal‐management applications which need high thermal conductivity, low dielectric constant, and adequate softness.