Forschende des Fraunhofer-Instituts für Werkstoff- und Strahltechnik IWS aus Dresden haben im Projekt »SimPerm« eine innovative Messtechnologie zur zuverlässigen Bestimmung der Permeationsrate von Folien entwickelt. Diese ermöglicht es nun erstmals, gleichzeitig die Permeationsrate des Wasserdampfs als auch die des Sauerstoffs zu bestimmen. Produzenten, Anwender und Entwickler von Barrierefolien können damit präziser, realitätsnäher und günstiger als bisher die Gasdurchlässigkeit von Schutzfolien für Organische Leuchtdioden (OLED), organische Solarzellen aber auch für Tabletten oder Lebensmittel und andere luftempfindliche Güter ermitteln. Der Projektpartner Sempa Systems GmbH will auf dieser Basis bald eine neue Geräteklasse etablieren, die universell verschiedene Barriere-Eigenschaften von Folien messen kann.
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