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Nanostructuring of Polymer Surfaces by Magnetron Plasma Treatment
 
Published: 2017 Technical Conference Proceedings, Poster Presentations (May 1, 2017)
 
Authors:
  • Cindy Steiner, Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology, FEP Dresden, Dresden DE
  • Juliane Fichtner, Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology, FEP Dresden, Dresden DE
  • John Fahlteich, Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology, FEP Dresden, Dresden DE
Abstract:
 

Stochastic nanostructured polymer surfaces exhibit superior properties like enhanced antireflective behavior and soil- resistance as well as improved adhesion to adhesives and other coatings. This paper investigates the modification of surface chemistry and topography of different widely used polymers by means of a roll-to-roll reactive dual magnetron plasma etching process. The etching process induces formation of stochastic nanostructures on the surfaces. Structure shapes, texture and application relevant properties depend on the composition, morphology and crystallinity of the treated polymers. The impact on optical transmission and hydrophobic behavior of the surfaces are discussed. Nanostructured varnish coatings allow surface modification of inorganic surfaces that may not be etched directly in a plasma treatment. This paper therefore characterizes plasma etching of acrylic based varnish coatings on polymer webs. Structure formation is investigated in relation to surface active additive content in varnish material. Finally, the outdoor stability of a nanostructured ethylene tetrafluoroethylene (ETFE) surface is shown in a 24 month outdoor weathering test in central Europe.

https://doi.org/10.14332/svc17.proc.43641


 
Document Info: Adobe Acrobat Format, 1414 KB
 

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