Introduction
One of the more commonly used thermoplastics is polypropylene because of its versatility. As with all thermoplastics, it is important to characterize the thermophysical properties of polypropylene, including melting temperature, percent crystallinity, crystallization when cooling from the melt, and the glass transition temperature, Tg. It is essential to analyze the thermophysical properties of the end product for quality assurance purposes. Thermal analysis provides an ideal means of characterizing the properties of polymers, including polypropylene. Differential Scanning Calorimetry (DSC) is a particularly useful technique for the characterization of polypropylene. This application note demonstrates how the high performance DSC from PerkinElmer® can readily detect the Tg of polypropylene.
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