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Abstract: Polyactic acid (PLA)-micro hexagonal boron nitride (hBN)-graphene nanoplatelet (GNP) polymer composites were prepared, and the effects of varying filler contents on the thermal and mechanical properties of the polymer composites were investigated. It was determined that the addition of the GNPs resulted in a decrease in thermal conductivity in comparison to a PLA-hBN composite unless the GNP:hBN ratio was 1:1, where the thermal conductivity was equal to that of the PLA-hBN composite. The GNPs were also found to reduce the mechanical properties of the composites; however, their addition resulted in an increase in electrical conductivity.

Reference: Experimental Thermal and Fluid Science 53 (2014) 227–235

DOI: 10.1016/j.expthermflusci.2013.12.013