Quenching Effect on the Dielectric Properties of PVDF/ZnO Composites
In order to optimize the processing of preparation for dielectric percolative polymer composites, the quenching effect on the dielectric properties of PVDF/ZnO composites is studied. It is found that rapid cooling treatment can accelerate the percolation process and promote the formation of percolative network when the content of filler is more than 17%. The quenched samples show a classical percolation effect, accompanying the great increase of conductivity by orders of magnitude. And the maximum of dielectric constant is up to 780, which is 4 times more than that of slow cooled samples.
H. L. Zhang et al., "Quenching Effect on the Dielectric Properties of PVDF/ZnO Composites", Advanced Materials Research, Vol. 721, pp. 113-116, 2013