Causes Of Various Degradation Of PVC

1) Thermal oxidative decomposition;

2) Crosslinking that grows large free radicals in the absence of oxygen;

3) the effect of stereoregularity on degradation;

4) Photodegradation;

5) Oxidative removal of HCl;

6) Radiation degradation;

7) Molecular chain breaks caused by critical stresses introduced during processing;

8) The effect of branching points on the degradation of PVC molecules.

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