issue 09/2021

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Sustainability is the megatrend of our times. And the hype surrounding the circular economy is not mere utopia, it is a realistic goal.

Recyclable Mono-Material Composites and rPET in Direct Food Contact

Flachfolienanlagen

Blasfolienextrusion

Kunststoff-Recycling

Kreislaufwirtschaft

Next Goal: Circular Economy

In the interest of sustainability, film extrusion plants have to process recycled materials and also produce recyclable products. Monomaterial products and a plant layout optimized for the products are the current trends. A multilayer structure as such does not pose a problem for recycling as long as all layers are made from the same class of plastic. Digitization continues to be an important driving force as digital tools contribute to solving the problems that need to be overcome.

Blown Film and Flat Sheet Film Extrusion Trend Report

Schröder, Susanne

Flachfolien- und Plattenextrusion

When Less Is More

Apart from injection molding and in-mold labeling (IML) additional automation steps are necessary to make the entire process for producing container packaging as efficient as possible. For this purpose, Beck Automation offers customer-specific solutions for the downstream handling of such packaging.

Automatisierungszellen

Spritzgießen

Folientechnik (IMD, IML, FIM, u.a.)

Messe Fakuma

Verpackungstechnik

Automatisierungstechnik

Verpackungsmaschinen

IML Processes Rounded off by Efficient Packaging Automation

To be able to manufacture products from 100 % recycled post-consumer materials (PCR), Avient has developed appropriate colorant and additive masterbatches with PCR matrix.

Verpackungsmaterial

Masterbatches

Farbstoffe und Pigmente

Farbkonzentrate (Batches)

Farbstoffe

Kunststoff Werkstoffe

Standardkunststoffe

Additiv-Batches

100 Percent Made from Recycling Material

Beumer Group packs a wide variety of goods using its stretch hood lines and films that are often custom-made. Safely and economically.

Kunststoff-Verpackungsmaschine

Schneid- und Wickelmaschinen für Folien

Extrusionsanlagen

Folien

Special Requirements of Jam and Roof Tiles

With the anniversary motto „Next 75“, the Heilbronn-based mechanical engineering company is consciously looking ahead to extend its market leadership in the decades to come.

Anlagen Lebensmittel

Warmformen / Thermoformen

Thermoformwerkzeuge

Thermoformanlagen

Illig Sustainably Shapes the Future

The film skiving machines from Keller HCW enable the skiving of ultra-thin films from 20 µm with skiving billet diameters of up to 800 mm and skiving billet lengths of up to 1600 mm

High-Precision Skiving of Ultra-Thin PTFE Films

In plastics processing, efficient production methods are required, especially for articles with high volumes and exacting quality requirements, and these must be constantly optimized. The container specialist Walther Faltsysteme has been successfully working together with the Austrian moldmaker Haidlmair for many years.

Walther Faltsysteme Combines Three Mold Technologies from the Haidlmair Group

Industrie 4.0 für die Qualitätssicherung

Condition Monitoring / Prozessüberwachung

Spritzgießwerkzeuge

Paletten und Behälter

Industrie 4.0 für die Kunststoffverarbeitung

Heißkanalsysteme

With Broad Sword and Data Collector

Milliken PP additive for thermoforming uses cleaner chemistry to deliver brighter look.

Polypropylen-Compound

Polypropylen

Additive

New PP Additive for Thermoforming Food-Contact Applications

Ultra high performance polymers such as polyaryletherketones (PAEK) are typically not thermoformable for thick gauge applications because of their semi-crystalline nature.

Special Polymers Enable Thermoforming of PEKK Parts

Polyetherketon

Hochleistungskunststoffe

Semi-Crystalline, and yet Thermoformable

The company’s latest model in the blown film segment is a five-layer co-extrusion blown film line that enables the production of film with maximum lay-flat width of 1400 mm.

Kung Hsing Stands out in Multi-Layer Film Extrusion

Wickelmaschinen

Kunststoffverarbeitung

High-Speed and Efficient Blown Film Line

The availability of PET bottle flake outside the beverage sector is expected to decline continuously in the coming years. Tray-to-tray recycling can close this gap and succeeds particularly easily with a new extruder.

Polyester

Polyethylenterephthalat

Kunststoff-Rezyklat

Unique PET Tray-to-Tray Recycling in a Single Extrusion Step

Styrenics can be polymerized using different technologies and it can be modified with a range of copolymers. The resulting plastics offer a wide range of properties allowing to customize them for different applications. Because of this range of properties they are suitable for many industries. Strong demand is for example driven by the automotive industry, healthcare and the packaging industry.

Styrenic Polymers

Automotive

Polystyrol

Technische Kunststoffe

Styrol-Copolymerisate

Kunststoff

Medizintechnik

Medizinprodukte

Diverse Shapes and Applications

Continuous Compression Molding (CCM) technology can be applied to multilayer solutions and is referred to as Continuous Compression Molding Multilayer (CCMM). In addition to the usual benefits of CCM it offers further advantages over competing technologies. In packaging applications, compression technology makes it possible to use minimal quantities of barrier material, thus combining excellent performance with low raw material costs.

Continuous Compression Molding Multilayer of Coffee Capsules

Pressen von Kunststoffen

Co-Injektion (Barriere-/Sandwich-Spritzgießen)

Paying Attention to Layers in-between

In order to avoid bubble ruptures during the production of blown film, the velocity of the cooling air is often reduced. The use of air guiding systems (AGS) can prevent such bubble instability. A novel AGS was developed at IKV in Aachen, Germany, using iris diaphragms in order to increase the cooling efficiency of blown film extrusion and thus improve the productivity of an existing plant

Increase in Mass Throughput and Improved Mechanical Product Properties

Nachhaltigkeit

Kühlanlagen

Konturnahe Kühlung

Energieeffizienz

Extrusions-Zubehör

Flexible Guiding Systems  for Cooling Air

With the transition to the new Simatic Open Controller generation, Gabler Thermoform is upgrading their machines to provide increased performance and more efficiency.

Thermoforming on the Way to Digital Transformation

Steuerungen (Hardware und Software)

Automatisierung

Open Control for More Efficiency

For almost two decades, an expert committee, meeting once a year, has supported Kunststoffe magazine in determining the state of play in the plastics industry and identifying current technical developments. This time, the traditional spring meeting gave it an opportunity to debate the consequences of the Corona virus.

Current Challenges and Options for Action in the Plastics Industry

Wirtschaftspolitik in Deutschland

Klotz, Karlhorst, Dr.

Internationale Wirtschaft

Verpackungsanlagen

Recycling

Wirtschaft

Starting up under the Shadow  of Corona

Even more than with foodstuffs, what matters in most cases with drug packaging is the contents protected by the wrapping. These are not good conditions to pursue a cycle concept for packaging. But times are changing – perhaps.

Steps to More Sustainable Packaging in the Medical and Cosmetics Industries

No Chance for the Cycle Concept?

Contrary to the current perception, plastics, as a component of packaging materials, often represent the most environmentally sound option. The plastics industry is currently undergoing a transformation, shifting the focus onto the realization of closed material loops as well as reducing the resource input with highly efficient materials.

More Resource-Efficient Materials for Thermoforming

Blend

Resisting the Pressure

The goal of the European Union (EU) to recycle all plastic packaging in Europe in an economically viable manner by 2030 is exerting enormous pressure on the packaging industry. It is very common that packaging films are made of different materials, and this causes challenges since they are often not easy to recycle.

Designing Food and Consumer Packaging for Recyclability

Polyethylen

Can One Material Be Enough?

The challenges associated with recycling food packaging are particularly great in the flexible-packaging sector. Multilayer composites are often a hindrance to mechanical recycling, yet are irreplaceable in many applications. Replacements will not be found until recyclable and ecologically sustainable packaging solutions are devised.

Approaches and Unresolved Problems in the Mechanical Recycling  of Flexible Multilayer Packaging

Multilayer

Engel Austria GmbH, Schwertberg, Austria, presents the next generation of the all-electric e-cap injection molding machine series for beverage caps. The production of 29/25 lightweight caps on a new e-cap 380 machine makes it clear how continuously increasing requirements can be combined with the shortest cycle times, the highest precision and lowest energy consumption. 

Engel Presents the Next Generation e-cap 

Kunststoffverarbeitung: Maschinen und Komponenten

Spritzgießmaschinen

High Stability and Precision  

Compared with conventional thermoforming molds made from epoxy resins or aluminum, a new type of casting resin system not only enables heat-resistant and high-quality thermoforming molds to be produced in a much shorter time, but the user can make the molds himself. The system can also serve as an alternative to injection molding to achieve a favorable price-performance ratio.

Patented Casting Resin System for Producing Sophisticated Thermoforming Molds  in just a Few Hours

Tiefziehwerkzeug

In-House Moldmaking