SPECTRAL, THERMOGRAVIMETRIC, AND ELECTRICAL STUDIES ON A NOVEL PREPARED ACRYLONITRILE-FERRIC CHLORIDE POLYMER COMPLEX .2.

A new material of acrylonitrile-ferric chloride polymer complex has be en synthesized. A full investigation of its chemical structure was don e using chemical, IR, X-ray, EPR, and Mossbauer spectral analysis. X-b and EPR and Mossbauer spectra recorded at room temperature indicated t he co-existence of two types of high-spin Fe3+ ions in the skeleton of the acrylonitrile-ferric chloride polymer complex. Thermogravimetric data showed the thermal stability of the prepared material up to 490 K . The electrical conductivities of the synthesized material were inves tigated at several frequencies ranging from 0 Hz to 100 kHz within the temperature range 301-476 K. It appears that two different mechanisms , namely tunnelling and variable range hopping, play an important role in current transfer at temperatures below and above T-g, respectively . The dielectric constants determined show that this polymer has ferro electric properties.