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The frequency dependences in the range of 25–106 Hz of dielectric properties (real and imaginary parts of complex dielectric permittivity and electric modulus) of composite materials based on high-density polyethylene and dispersed filler TiO2 are studied. It is shown that the real part of the complex dielectric permittivity ε of composites increases with decreasing frequency. The magnitude of the...
In this article, we present and analyze the DC electrical conductivity and dielectric responses of polyvinyl chloride (PVC)/graphite (Gr) composites. The percolation threshold of the composites was estimated to be ∼6vol.%. The PVC/Gr composites exhibited high dielectric constants, high dissipation factors, and high DC conductivities at a certain (near percolation threshold) addition of graphite. The...
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