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Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS Winterbergstraße 28 01277 Dresden, Germany http://www.iws.fraunhofer.de
Contact Mr Markus Forytta +49 351 833913614
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Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS

Papierverpackungen ohne Klebstoffe verschließen

Kreislaufwirtschaft – Papierverpackungen besser recyceln

(PresseBox) (Dresden, )
Papierverpackungen bieten eine Reihe von Vorteilen gegenüber ihren Pendants aus Kunststoff: Sie zeichnen sich durch eine hohe Recyclingquote, geringere CO₂-Emissionen und niedrigere Entsorgungskosten aus. Allerdings lassen sie sich bislang nicht ohne zusätzliche Klebstoffe oder Kunststoffschichten verschließen – ein Nachteil für Herstellungs- und Recyclingprozesse. Im Projekt PAPURE entwickeln vier Fraunhofer-Institute ein laserbasiertes Verfahren, das komplett klebstofffreie Papierverpackungen ermöglicht.

Da Kunststoffverpackungen einen großen Anteil des Plastikmüllaufkommen ausmachen, steigt die Nachfrage nach umweltfreundlichen Verpackungsmöglichkeiten. Ein Material, das sich als nachhaltige Alternative zu Kunststoff immer größerer Beliebtheit erfreut, ist Papier. Das Problem: Für das Verschließen von Papierverpackungen ist der Zusatz von Fremdstoffen wie Klebstoff
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