Determination of the Relative Oxidative Stability of Polyethylene Bottle Tops by Differential Scanning Calorimetry (DSC)
Oxidative degradation of polymers is an exothermic process (releases heat) and is detectable by differential scanning calorimetry (DSC). Furthermore, DSC evaluation of polyethylene at elevated temperatures in the presence of oxygen is an effective method for accelerating the onset of degradation so that longer term (shelf life) properties can be predicted and/or compared.
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