Influence of O2 and CO2 plasma treatment on the deposition of chitosan onto polyethylene terephthalate (PET) surfaces

  title={Influence of O2 and CO2 plasma treatment on the deposition of chitosan onto polyethylene terephthalate (PET) surfaces},
  author={Tina Tkavc and Irena Petrinic and Thomas Luxbacher and Alenka Vesel and Tijana Risti{\'c} and Lidija Fras Zemlji{\vc}},
  journal={International Journal of Adhesion and Adhesives},
Abstract Oxygen and carbon dioxide plasma treatments were applied in order to study their influences on chitosan adhesion onto PET foils. Modification of the surface and the adsorption of chitosan were monitored by the determination of XPS spectra, titrations, zeta potential, contact angles, and AFM. The plasma treatment resulted in hydrophilization of the surface through the introduction of new polar oxygen-containing groups. The treatment also yielded binding-sites for amino groups of… 
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