Degradation tests –A new test procedure to examine polymers

2008/06/13   下载量： 126 次

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Degradation of polymers, i.e. main chain scission, seriously impacts the processability and optical and mechanical properties of the end product. Commercial plastics contain additives and antioxidants to minimize the effects of degradation caused during processing. Even with the use of these substances, transport phenomena, including migration of additives, gas and vapour permeability, oxygen absorption and distribution of the additives, influence the kinetics of thermo-oxidative degradation, degradation (fig. 1) and stabilization.

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