Polymers — Polyethylene terephthalate (PET)
Polyethylene terephthalate (PET) is a semi-crystalline thermoplastic polymer with a relatively slow crystallization rate. In the DSC experiments, the various levels of amorphousness (Tg 75°C-85°C) and crystallinity (recrystallization 146°C, melting 242°C) are apparent. The samples were cooled from the melt in the DSC 204 F1 Phoenix® with the intracooler at different rates prior to the heating shown.