Fig. 2: Results of chemical degradation of PET through acetolysis.
From: Acetolysis of waste polyethylene terephthalate for upcycling and life-cycle assessment study

a The reaction process of acetolysis of PET bottles. b SEM pattern of TPA obtained from waste PET bottles through acetolysis. c XRD pattern of TPA obtained from waste PET bottles and textiles. d HPLC spectra of TPA obtained from waste PET bottles and textiles. e Universality of PET degraded by acetolysis, 1–8 are photos of PET powder, particles, transparent bottle, blue bottle, a green bottle, black tray, physical mixing of PET and PP, PET/PP composite films, 1a–8a are the photos of terephthalic acid obtained by acetolysis of the above materials. Error bars indicate the standard deviation of the depolymerization results obtained from three independent replicates.