Modification of Poly(vinyl chloride) by N-Phenyl Itaconimides for the Improvement of Its Thermal Stability

Table 5

Initial decomposition (T₀) and total weight loss percentage, at 500°C, of grafted and modified PVC as compared to PVC, under the nitrogen atmosphere.

Polymeric sample	Initial decomposition temperature T0 (°C)	Total weight loss (%) at 500°C
PVC	247	−78
N-(4-BrPh)IM (modify)	294	−59
N-(4-BrPh)IM (graft)	313	−50
N-(4-ClPh)IM (modify)	283	−61
N-(4-ClPh)IM (graft)	298	−57
N-PhIM (modify)	255	−70
N-PhIM (graft)	278	−60