The authors used a variety of techniques to determine the thermal properties of polymethyl methacrylate (PMMA), including thermal conductivity, thermal diffusivity, specific heat and density. The measurements are performed in the temperature range from -70°C to 80°C. The results from the different techniques used to characterize the PMMA (GHP, GHF, TPS, THS) are all compared to see whether they agree with one another....
The purpose of this research was to improve the thermal conductivity of boron-nitride filled epoxy composites. To complete this task, the interfacial adhesion in the composite needed to be improved. This was achieved by employing admicellar polymerization to coat the polystyrene and polymethyl methacrylate, on the boron nitride surface. The results indicated an increase in the thermal conductivity of the composite from 1.5 W/mK, with the use of untreated boron-nitride, ...
In this experiment, the thermal conductivity of several composites, with varying matrix composition and boron nitride nanotubes fillers, was investigated. Poly(methyl methacrylate), polystyrene, poly(vinyl butyral) and poly(ethylene vinyl alcohol) were the matrix compositions analyzed. The results indicated that with the addition of the boron nitride nanotube fillers, there was a 20-fold increase in the thermal conductivity of the polymer. Several other properties were analyzed alongside of thermal ...