Table 3: Initial decomposition (T0) and total weight loss percentage at 500°C of PVC and modified PVC by various itaconimide derivatives, under the nitrogen atmosphere.

Polymeric sampleInitial decomposition temperature T0 (°C)Total weight loss (%) at 500°C

PVC247−78
N-(4-BrPh)IM294−59
N-(4-ClPh)IM283−61
N-PhIM255−70
N-(4-MeOPh)IM264−67