Accurate characterization of mix plastic waste using ATR-FTIR spectroscopy and machine learning methods
Fig 5
ATR-FTIR spectra of ten standard plastic samples in the range of 4000−500 cm−1.
From top to bottom: PU (polyurethane), PET (polyethylene terephthalate), PVC (polyvinyl chloride), PE (polyethylene), PTFE (polytetrafluoroethylene), PC (polycarbonate), PS (polystyrene), PA (polyamide), PP (polypropylene), and ABS (acrylonitrile butadiene styrene).