Investigation of Thermal Decomposition of Chlorinated Polymers

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Abstract
Major thermal decomposition products from polyvinylidene chloride (PVDC) under two pyrolysis conditions (0% O2, and 10% O2) and several different heating rates were determined. Kinetic parameters for the evolution of the major degradation products for polyvinyl chloride (PVC) and PVDC were also determined. Results showed that decomposition products formed were independent of heating rate and degradation atmosphere. Major degradation products from PVDC are HCl, dichlorinated- and trichlorinated-benzenes. Activation energies and pre-Arrhenius terms were determined for HCl and benzene for PVC and HCl, dichloro- and trichloro-benzene for PVDC.