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

PVC247−78
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