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Wittmann Battenfeld and Zeroplast Present ‘Zeroplast Free’

Zeroplast free is a bio-based natural material that is recyclable, bio-compatible, free of genetically modified organisms and chemical additives but also fulfils the industrial requirements for injection moulding.

We have invented the sustainable, all-purpose biomaterial”, says Friedrich Breidenbach, CEO and co-founder of Zeroplast, with a twinkle in his eye. The facts & figures about the joint development work read like the program for a request concert organised by industrial customers from the cosmetics, food and toy sectors. This has been made possible by the expert knowledge of WITTMANN BATTENFELD and Buzek Plastic, Poland, in injection moulding and process technology, the cooperation with leading research institutions, universities and an award-winning EU Horizon 2020 project under the leadership of the Fraunhofer ISC and Fraunhofer IWKS institutes, as well as the material development carried out by Zeroplast to create Zeroplast free. Due to batch variations in natural materials, new developments in areas such as programming and process technology became necessary.

Michael Wittmann and Friedrich Breidenbach were agreed on one thing from the very beginning: “100% bio-based, zero compromises. At the K 2019, we will not present just a concept, but an almost market-ready solution. Throughout the entire development process, we have focused on meeting the requirements of our industrial customers, which is vital for application in real competitive situations. In this, we have been successful. Solutions are only sustainable if they can be brought to market in large numbers of units. Only integrated, intelligent and cost-efficient material compounds and production processes have a chance there.

At the K 2019, WITTMANN BATTENFELD demonstrated the live production of a packaging product for the cosmetics industry made of the bio-based compound Zeroplast free, which consists of no more than three ingredients. On the multi-component machine model EcoPower 240/1100H/130L COMBIMOULD, cosmetic jars and lids were manufactured from this compound based entirely on natural materials, which can be recycled without losing any of its physical properties.

The jar was injection-moulded by the machine’s main aggregate, while the L aggregate produced the lid in a different colour. The machine was equipped with a W842 pro robot from WITTMANN, which took round paper labels made of certified cradle-to-cradle paper from a magazine and inserted them into the moving mould half for the bottom of the jar. Next, the W842 pro removed the parts from the nozzle side and passed the jars on to a W818 robot, which inserted them into a screwing station. The W842 pro brought the lids to the screwing station, where they were united with the jars and then deposited.

The preceding in-mould labelling process reduces the complexity of the materials in the packaging product. Use of the paper label ensures efficient recycling processes and thus provides recyclable and sustainable decoration of the packaging products. Michael Wittmann and Friedrich Breidenbach comment: “Sustainable solutions must not be a sacrifice. If they are worse or less attractive, they will not be accepted by the market.

According to Streamlined Life Cycle Assessment (LCA), Zeroplast free shows a significantly better environmental performance per kilogram than commonly available plastic materials in most impact categories examined. The material must be produced from renewable and mineral sources, be recyclable after use and decomposable in the event of improper disposal out of doors (littering), to avoid negative effects such as toxic substances or microplastics. At its facility in Poland, Zeroplast develops and manufactures sustainable packaging solutions and compounds.

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