INNOVATION | SUSTAINABILITY
Right: Fishing nets are a major source of
plastic pollution
process is necessary to also ensure dimensional reliability and stability in products with a high level of recycled content,” Engel says. “For this purpose, Engel has engineered an especially compact production solution based on a Duo dual-platen injection moulding machine.” The mould comes from Haidlmair, an Austrian firm specialising in manufacturing moulds for the production of storage and logistics containers, which will use the transport boxes produced at the K show for its own in-house logistics. What is also important is the grade purity
“ensuring that the sandwich-moulded products can also be easily recycled at the end of their service life,” Klammer emphasises. The boxes will use post-consumer recycled polypropylene, obtained in collaboration with Der Grüne Punkt (The Green Dot), Duales System Deutschland (DSD) in Germany.
Net gains As is well known, the European Union is adopting measures proposed by the European Commission to tackle marine litter coming from the ten single- use plastic products most often found on European beaches. Also included in the scope of the so-called Single-Use Plastics Directive is abandoned fishing gear. It is no coincidence that at K 2019, Engel will be teaming up with recycling technology specialist Erema to demonstrate how old nets made from polyamide can be converted into boxes. The recycled material comes from Chile, where
several collection points have been set up for end-of-life nets that until now have often been dumped at sea. In Chile, nets are already being recycled on an Erema system and processed into skateboards and sunglasses on Engel injection moulding machines.
Arburg addressed the circular economy at a
Packaging Summit it held at its headquarters in Lossburg, Germany, in June, attended by around 120 guests from all over the world. The second such event organised by the company, it was conceived to bring together leading experts from industry, research and professional associations, “providing a platform for sharing knowledge on trends, resource efficiency and the circular econo- my in the packaging sector,” Arburg says. Arburg and two of its partners in injection moulding tooling, Stackteck and Foboha, present- ed innovative processes, trends and machine technology designed specifically for the packaging sector. IML expert Verstraete demonstrated how invisible watermarks can be used to label plastics packaging with a “Digital Recycling Pass” so that it can be accurately sorted for recycling (see p34). In a talk, Reiner Schmid, Application Manager
Packaging at Arburg, explained how high-perfor- mance machines and the appropriate mould technology can be used to establish sustainable processes in injection moulding. He said machinery was increasingly moving towards direct measure- ment of internal pressure and temperature and mould breathing via inductive position sensors, which will optimise the filling process and product quality – factors that are of particular importance for new as well as recycled materials. Bertram Stern, Sales Manager of Packaging at
A highlight of the two-day Arburg Packaging Summit 2019 was the podium discussion, featuring (from right): Gerhard Böhm (Arburg), Thorsten Kühmann (VDMA), Manfred Hackl (Erema), Prof. Dr Hans-Josef Endres (IfBB, Hannover University of Applied Sciences and Arts), Philip Knapen (Borealis) and moderator Guido Marschall (
Plas.TV)
24 INJECTION WORLD | July/August 2019
Arburg, says the event demonstrated both the challenges and the new opportunities for the plastics packaging industry: “Manufacturers of injection moulding machines, moulds and materi- als, as well as recycling experts, must all work together along the entire value chain,” he says. “At this event, it was clear for all to see that the spirit and will to do so exists. Only by working together will it be possible to develop new solutions and ensure that valuable used plastics can be recycled
www.injectionworld.com
PHOTO: ARBURG
PHOTO: PETER CHURCH/WIKIPEDIA
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