Relationship between Polymer Dielectric Constant and Percolation Threshold in Conductive Poly(styrene)-Type Polymer and Carbon Black Composites

Table 2

Analysis of the percolation threshold related to the dielectric constant measured between 17°C and 5°C below the corresponding polymer .

Polymer	Percolation threshold	Percolation threshold	Dielectric constant	Dielectric constant
	v/v CB	wt% CB	(17°C, 850 MHz)	(  −5°C, 850 MHz)
4MePS	0.058	9.4	2.43	2.64
PS	0.054	8.9	2.60	2.80
4ClPS	0.047	6.9	2.77	2.89
4BrPS	0.051	5.9	2.82	2.92