Electrical and dielectric properties of carbon black-resin composite films made by the electrostatic coating method

In this report, electrical properties of thick films of a carbon-black resin composite have been studied. There is no characteristic change in resistivity around the percolation threshold p/sub c/. However, p/sub c/ can be determined from the electric field dependence of current. The critical exponents of conductivity and dielectric constant are satisfied with the prediction based on the percolation theory.