Abstract
AbstractEveryone who drinks bottled water contributes at least 17 kg to the post‐consumer poly(ethylene terephthalate) (W‐PET) accelerating the accumulation of the waste plastics (WP) that already have an annual rate of increase of ~4.5%. Disposals of W‐PET mimics a pseudo‐renewable resource of WP, that creates many recycling and economic opportunities. This work presents a recycling method that reduces the burden of W‐PET on the environment while saves energy and creates new economic opportunities. The recovered purified PET (PET‐R) that its thermal properties are reported here was obtained by solvent extraction method. Five samples of PET‐R were analyzed by thermogravimetry to study its kinetics properties assuming that the degradation process followed a pseudo‐single component model. The isoconversional Ea,α values obtained from the f(α) functions were comparable to each other by the average and standard deviation of 200 ± 5 kJ mol−1; which is very close to the value of Ea of pure PET. The results were consistent with kinetics data reported in the literature for pure PET.
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