Microstructures of graphite/poly-phenylene sulphide compounds are studied by means of X-ray diffraction

transmission electron microscopy and fractography. It shows that the crystals of poly-phenylene sulphides have three kinds of structures

and no new phases are formed when graphite is added. Conductive polymers with different conductivties may be prepared by mixing different amount of graphite in it

forming conductive networks. The distribution- of graphite networks is a main factor to influence the conductive polymers.