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Journal of Plastics Technology 2014/04

Elongation properties of multilayer PECVD barrier coatings on PET films

Elongation properties of multilayer PECVD barrier coatings on PET films

While SiOx coatings grant high oxygen and water vapour barrier properties, the highly cross-linked structure causes the barrier to become vulnerable to elongation. In order to improve performance of stretched SiOx coatings, an attempt that has been followed is the deposition of multilayer structures. These consist of dyad layers, which combine an inorganic barrier layer (SiOx ) and an organic interlayer (SiOCH). In this paper the effects of layer order and stacking number on the oxygen barrier properties and crack density of stretched multilayer coatings on 23 μm PET-films are discussed.

M. Sc. Dennis Kirchheim, Dr. rer. nat. Rainer Dahlmann, Prof. Dr.-Ing. Christian Hopmann, Dipl.-Ing. Karim Bahroun, Dipl.-Ing. Henrik Behm
Institut für Kunststoffverarbeitung in Industrie und Handwerk an der RWTH Aachen

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The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)


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International Polymer Processing

International Polymer Processing, the journal of the Polymer Processing Society, is a discussion forum for the world-wide community of engineers and scientists in the field of polymer processing.

The journal covers research and industrial application in the very specific areas of designing polymer products, processes, processing machinery and equipment.


International Polymer Processing


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The Journal of Plastics Technology is indexed in SCOPUS, the largest abstract and citation database of peer-reviewed literature.