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Natural rubber/graphene (NR/GE) composites were prepared by ultrasonically-assisted latex mining and an in situ reduction process, followed by latex coagulation to obtain the masterbatch. It was determined that this method of preparing the NR/GE composites resulted in an increase in tensile strength when compared to conventional direct mixing. A variety of properties of the composites were investigated, including: thermal conductivity, thermal diffusivity, specific heat, maximum torque, crosslink ...
In this article, the authors present a novel method for the synthesis of graphene layers that can be used in advanced electronic devices, among other applications. The preparation method involves the use of a high-pressure high-temperature process where the pressure and temperature are closely monitored in order to preferentially prepare graphene layers. The quality of the material synthesized is much better than previously reported, and the size of the layers ...
The addition of graphene nanoplatelets (GNP) to a paraffin-based solvent, eicosane was performed at various wt.% and subsequently the synthesized GNP/eicosane composites were analyzed by a variety of machines. The characterization of the GNP/eicosane composites was performed by the TPS technique for the measurement of thermal conductivity from 10°C to 35°C. At a wt.% of 10 GNP filler the composite had a thermal conductivity four times that of unfilled ...
Using few-layer graphene (FLG) flakes the authors are able to create graphene composites (where graphene is a filler) and measure the thermal properties of these composites using a laser flash technique. In some cases, the thermal conductivity was increased by ten times while only using 5 vol.% graphene as filler. Graphene would make a good filler for thermal interface materials....
