Ukanol® and Phosgard® structures; summary of key DSC degradation temperatures for the three polymer systems; IR peaks and assignment for PET cold-ring fraction in dynamic TVA; pyrolysis char yields in dynamic N2 and air for the three polymer systems; elemental analysis for chars of PET and fire-retarded PET from pyrolysis experiments; elemental analysis of high boiling volatile products from PET, PET-P and PET-U pyrolyses in air