Abstract
The effect of reinforcement of multi walled carbon nanotubes (MWCNT) into poly (vinylidene fluoride) (PVDF) is studied to improve thermal, electrical and dielectric properties. The differential scanning calorimetry determined the melting temperature (159.67 °C) and crystallization temperature (136.19 °C) of polymer composite. The composite of 4% CNT blend (473.53 °C) has higher degradation temperature than pure PVDF (472.81 °C) as observed in thermogravimetric analysis. Fourier transform infrared spectroscopy peak observed at 1401cm-1 signifies CH3 and CH2 deformation stretching vibration. The breakdown strength of polymer composites reduced with addition of CNT fillers to polymer matrix. At high frequencies, the dielectric constant of PVDF increases from 2.9 to 5.5 with addition of MWCNT by 2% and to 8.5 with addition of MWCNT.
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