Characterization of PET films modified by tetraethylenepentamine (TTEPA)
- Publication Type:
- Journal Article
- Journal of Polymer Science, Part B: Polymer Physics, 2001, 39 (6), pp. 623 - 633
- Issue Date:
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Tetraethylenepentamine, a long-chained multifunctional amine, was used to attach nitrogen (N) groups to the surface of a polyethylene terephthalate film. The N content of the modified films was determined by X-ray photoelectron spectroscopic analysis as well as titration measurements. The physical properties of the modified films were studied using weight-loss measurements, X-ray diffraction, and environmental scanning electron microscopy. Contact-angle measurements were used to establish the changes in wettability of the modified films. The applicability of the surface-tension-component theory and the equation-of-state approach to this system is briefly discussed.
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