Antistatic and conducting composites of polypropylene

Abstract

From the viewpoint of electrical behavior, materials can be divided into two groups: conductors and insulators. Sometimes a third group, that of semiconductors, is also distinguished. The specific resistance (p) of a material can be calculated as:

$$\rho = R\frac{A}{d}$$

(1)

where R is the resistance measured between parallel electrodes having surface A at a distance of d. Its dimension is ohm m. In certain practical applications, the specific surface resistance (p^s) is even more important. It is calculated as:

$${\rho ^2} = R\frac{1}{d}$$

(2)

where R is the resistivity measured between two parallel linear electrodes of length l at a distance of d.