Thermal degradation of common chain-growth polymers

1 Thermal Degradation of Common Chain-Growth Polymers 

Thermal degradation of polymers is conveniently studied by pyrolytic methods. The polymer literature contains many reports on such studies conducted at various temperatures in inert atmospheres, in air, or in vacuum. The volatile products are usually monitored with accompanying measurements of the weight loss per unit time. The reaction rates are thus measured by  

Loss of molecular weight as a function of temperature and the extent of degradation 

The quantity and the composition of the volatile and nonvolatile products of degradation 

A general scheme for thermal degradations of chain-growth polymers by free-radical reactions can be written as follows  

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See also in sourсe #XX -- [ ]

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