Introduction
This application note shows the results of analysis on two separate recycled plastic samples - both extruded black polymer material varying in quality. The methodology uses TGA analysis, FTIR-ATR and TG-IR, utilizing PerkinElmer’s Spectrum Two™ FTIR and Pyris™ TGA 9 system. Results allow for accurate percentage weight loss measurements as a function of temperature.
IR alone is not always sufficient for detecting the presence of components at low concentrations, so hyphenating a TGA with an FT-IR spectrometer combines the advantages of both techniques, allowing more comprehensive material characterization to be conducted. TG-IR combined with spectral library searching provides a powerful analytical technique for deformulation of polymer samples and identification of evolved gases.
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