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Sustainable coatings for packaging papers

Barrier coating plant at Sappi

© Sappi

Food is more and more often wrapped in paper. But this natural material is porous and has next to no barrier properties against humidity, oxygen, grease or oil. Paper producers like Sappi are now coating their packaging papers sustainably using water-based barriers which do not impact later recycling. In research, a common topic is the development of bio-based barrier coating materials.

Video Interview

drupa x interpack — cross-cutting Hot Topics

Our dear colleague AP visited last year's interpack exhibitor Robatech at drupa, leading trade fair for printing technologies, and talked to Kevin Ahlers about the ongoing relevance of the two major Hot Topics from interpack 2023 —Digitalization and Sustainability — and how the company implements them into daily operations and the overall culture.


ALDI UK using AI to provide visibility to its flexible plastic packaging efforts

Aldi UK

© Aldi

Aldi UK is pioneering the use of artificial intelligence (AI) to assist in its recycling of flexible plastic packaging. The supermarket offers front-of-store collection points for such packaging and then applies technology from Greenback Recycling Technologies to track and verify the flow of material using eco2Veritas system. The project is supported by the brand-backed Flexible Plastic Fund.

Women in Packaging

For Tina Gerfer, your word is as good as written

Tina Gerfer is Managing Director at the mechanical engineering company Wilhelm Rasch

© Wilhelm Rasch GmbH

Her grandfather had the idea for a machine that could wrap delicate hollow chocolate figures like a Santa Claus or an Easter bunny in a perfectly fitting protective layer made of printed aluminium foil. Today, Tina Gerfer is head of the medium-sized mechanical engineering company, which has long ago grown beyond packaging for hollow figures.


Kombucha leather – packaging from the tea lab

Product in petri dish

© Constanze Tillmann

The packaging industry is looking for creative solutions to package food both safely and sustainably. A young team of students and researchers in Istanbul is currently working on prototypes of SCOBY, a leather-like biofilm made from fermented kombucha tea.
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