Silicon oxide barrier coatings deposited on polymer materials for applications in food packaging industry

Joachim Schneider, Muhammad Iqbal Akbar, Jerôme Dutroncy, Dennis Kiesler, Martina Leins, Andreas Schulz, Matthias Walker, Uwe Schumacher, Ulrich Stroth

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Deposition of SiOx layers by low-pressure microwave plasmas is an excellent means to add missing barrier functionalities to cheap and material-saving homo-polymeric materials that will increasingly replace expensive multi-layer polymer food packaging. SiOx coatings were deposited in an ECR plasma process on polyethyleneterephthalate (PET) foils using two different precursors, HMDSO and HMDSN. O2 transition rates of less than 1 cm3 (m-2·24 h -1·bar-1) were obtained for the best performing SiOx coatings deposited from O2/HMDSN gas mixtures. First ECR plasma deposition tests on polypropylene (PP) trays show the high barrier potential of SiOx coatings even on three-dimensional polymer food packaging.

Original languageEnglish
Pages (from-to)S700-S704
JournalPlasma Processes and Polymers
Volume6
Issue numberSUPPL. 1
DOIs
StatePublished - 2009
Externally publishedYes

Keywords

  • Barrier
  • Food packaging
  • Gas permeation
  • Microwave discharges
  • Silicon oxide

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