Fig. 4
ATR-FTIR spectra of amorphous PET film exposed to exposed to 70 °C, 80 °C, and 90 °C for 2 weeks versus untreated PET
Fig. 4 | Biotechnology for the Environment
ATR-FTIR spectra of amorphous PET film exposed to exposed to 70 °C, 80 °C, and 90 °C for 2 weeks versus untreated PET