Frequency and Temperature Dependences of Dielectric Dispersion and Electrical Properties of Polyvinylidene Fluoride/Expanded Graphite Composites

Table 1

Physical properties of PVDF (Kynar 740).

Physical properties	Value
Density	1.78 g/cm^3
Melting flow rate	1.1 g/10 min (230^∘C/5 kg load)
Melting point	168^∘C
Electrical resistivity	2×10^14 ohm.cm
Dielectric constant	7.70 under 10^6 Hz
	10.8 under 100 Hz