Water resistance of PET chips
So, how can we enhance the water resistance of PET chips? Research has shown that a. appropriately increasing the viscosity of PET chips and increasing the polymerization of PET macromolecules help enhance the mechanical performance of the final PET film in humid and hot environments. b. reducing the COOH content of PET chips and maintaining the mass fraction of DEG at a stable level of (1.0 ± 0.2) %, along with adding an anti-hydrolysis agent such as carbon diimide or polydicyclopentadiene at a mass fraction of 0.1% to 1.5%, contributes to improving the water resistance of PET films.
