Abstract
In this study, a comprehensive investigation was carried out to analyse the effects of direct fluorination on the structural, morphological, wettability, thermal and optical properties of polyethylene terephthalate (PET) films. The results show significant changes in surface composition and structure, as well as changes in surface morphology induced by fluorination. In addition, an increase in surface hydrophilicity and surface free energy were observed after fluorination. Although there appeared to be a slight decrease in thermal stability of the fluorinated PET films, they exhibited increased optical transmittance in the UV–visible spectrum compared to the original PET films. These findings demonstrate how fluorinated PET films have better surface qualities, which makes them appropriate for a range of uses including printing, coating, and optoelectronics.
Published Version
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