There is little doubt where we are heading: multilayer packaging will have to become easier to recycle – but what does that mean for the technology? And what solutions will the market need and accept? Manufacturers of branded goods are not the only ones who will have to rethink their specifications.

How Film Packaging Will Have to Develop

Verpackungsmaterial

Logistik

Klotz, Karlhorst, Dr.

Verpackungsanlagen

Coilhandling

Recycling

Umweltmanagement

Flachfolienanlagen

Kunststoffverarbeitung: Maschinen und Komponenten

Extrusionsanlagen

Nachhaltigkeit

Kunststoff-Verpackungsmaschine

Sondermaschinen

Folien

Halbzeuge und Zwischenprodukte

Kunststoff-Halbzeuge

Kunststoff-Recycling

Kunststoffverarbeitung: Verfahren

Kunststoff-Aufbereitung

Europe Needs to Catch up

With innovations in metrology, processing and automation, the film industry is again pursuing the goal of process optimization and digitalization this year. But efficiency and sustainability are also the focus of the machine manufacturers, who will be serving up pioneering innovations at K 2019.

The Circular Economy – Sustainable yet Efficient?

Blasfolienextrusion

Flachfolien- und Plattenextrusion

Extrusion

Verpackungstechnik

Folienabzug- und -aufwickelmaschinen

Faserverarbeitung

Extrusionswerkzeuge

Werkzeuge für die Kunststoffverarbeitung

Folienreckanlagen

Folienblasanlagen

Kreislaufwirtschaft

A Perfect Concept All Round

A machine manufacturer is expanding its wide program of cast and blown film lines with a system for water-quenched blown film extrusion. This provides a unique system portfolio for the production of flexible packaging. The article presents these extrusion processes, their specific characteristics and the resulting application areas. 

Medizintechnik

Film Production: System Options for Wafer-Thin Protection 

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

Stretch hood lines are initially more expensive than stretch wrapping lines. However, they offer an advantage for many tasks

Schneid- und Wickelmaschinen für Folien

Special Requirements of Jam and Roof Tiles

The increasing volume of plastic waste and the growing pollution of the oceans by such waste have brought the sustainable handling of plastic products into the focus of society and politics. Both recycling and bioplastics can be a part of a strategy for greater sustainability, but they are not free of side effects. In order to avoid irrational decisions, it is important to assess their effects comprehensively.

If a film is used in the packaging sector, it should be made of at least a recycled material – leading to the common opinion that assumes that materials in circulation are automatically more sustainable. However, a detailed life cycle analysis, which considers all relevant energy and material flows on the basis of a generally valid calculation method, shows that it is not that simple

3D View of Sustainability

Why Recycled Films Are Not Necessarily Sustainable

Desire for hygiene and food safety increase worldwide demand for flexible packaging films.

Plant of Brückner Maschinenbau in Siegsdorf, Germany

Unternehmen

kunststoffe.de

KU-Verarbeitungsmaschinen allgemein

Kunststoffverarbeitungsmaschinen

 Brückner Maschinenbau to Increase Order Intake Significantly in 2020

From the French Fry Bag to the Cement Bag to the Plastic Film.

View into the heart of a Varex II blown film system.

Extrusionsblasformen

Blasformen

Schröder, Susanne

On the Spot at Windmöller & Hölscher

Electrostatic charging may cause problems in the production of plastics and plastic semi-finished products. A new generation of ionizers meters the charge in an object, and then discharges it in a precise and reliable way. 

Oberflächentechnik

Static Eliminators: Controlling Discharge 

The demands placed on packaging films are so multifaceted that they can only be met by combining different raw material components. This in turn requires blown film dies that are able to process a wide range of materials and thus provide greater flexibility for the film manufacturer. 

Barrier Film: Nine Super-Thin Layers 

Jointly organized by the Institut für Produkt Engineering (IPE) and Hanser Publishers on March 12–13 in Duisburg, Germany, and with well over 100 participants, the conference was a great success. The participants enjoyed highly topical subjects, top-class speakers, and lively discussions hosted by Professor Johannes Wortberg. 

Simulation Verpackung

Duisburg Extrusion Conference: The Versatility of Films 

It was not only the 5-layer coextrusion blown film system itself that attracted around 100 visitors to the plant of Kuhne GmbH, in St. Augustin, Germany, at the beginning of April, but also the manner in which it was presented. Over a period of two weeks, the machinery manufacturer gave visitors the opportunity to participate in the first test and production runs of the 20 m high system, which stood completely assembled in the technical center. 

Blown Film Extrusion: Saint Augustin Displays Greatness 

About 20 percent of the 50,000 metric tons annual sheet output of the Danish company R. Færch Plast A/S in Holstebro will come from a new high-performance PP production line supplied by Battenfeld Extrusionstechnik GmbH in Bad Oeynhausen, Germany. For the continuously growing market for rigid foodstuffs packaging, Færch Plast operates a total of seven extrusion lines – mainly for PET, PP and PS film. Three of the lines come from Germany, and a fourth line has been ordered. Both the first and the second PET line, which was installed in 2002, work with a co-rotating twin-screw extruder. Thanks to effective melt degassing, high-quality sheet can be produced without material pre-drying. Battenfeld Extrusionstechnik accepted overall responsibility for both lines, so that the Færch Plast plant comes from a single source. According to Battenfeld, this kind of cooperation is also beneficial for the further development of machine components for the high-output flat sheet line with high-speed extruders. Færch was the first processor to decide for the installation of such a modern line. The high-speed BEX 1-75-34 is a comparatively small single-screw extruder but has an enormous output. With a screw speed of 1,500rpm, the machine has a three times higher output than a comparable conventional extruder of the same size. By means of adapted downstream equipment and a 75mm extruder, the line achieves an output of 1,400 kg/h when producing PP film. 

Lines from a Single Source 

Extrusion lines 

Use of renewable resources is currently being actively researched. Before they can be used, the environmental compatibility, economic aspects and social impact over the entire life cycle, including production and disposal, must be investigated. If the results are not positive, there are alternatives that do not rely on biomass, since innovative petrochemical plastic products are saving enormous amounts of energy and thus lowering CO2 emissions already today – and the potential is not yet exhausted. 

Kunststoffe, bioabbaubar

An Eco-Efficiency Evaluation: Bio – Sense or Nonsense 

Extruders from Leistritz Extrusionstechnik GmbH, Nuremberg, Germany, are used in the production of BOPP (bi-oriented polypropylene) films. Now, a ZSE 135 Maxx extruder has been delivered to the Austrian-French company DMT. DMT is a supplier of machines and equipment for producing biaxially stretched plastic films, which, among other applications, are used as packaging materials in the food industry. The ZSE 135 Maxx has a screw diameter of 140 mm and enables extremely high torques together with a large free screw volume. DMT employs the extruder as part of a direct extrusion line. A total of 16 machines from Leistritz, with screw diameters of 75 to 140 mm, are now in operation at DMT. 

Large Format 

Extruder ZSE Maxx Series 

In October 2008 the plant and equipment manufacturer Kuhne GmbH hosted the first “Kuhne Autumn Week“. The very latest developments in blown and flat film manufacture were presented to an international audience at their headquarters in Sankt Augustin, Germany. A range of informative presentations by guest speakers rounded off the in-house exhibition. Alongside issues relating to specific materials, aspects of measurement and control technology were discussed. 

Extrusion: Spotlight on Film 

Brückner Maschinenbau Places Major Order with Coperion

Brückner Maschinenbau has placed an order with Coperion for more than 50 ZSK Mc18 twin screw extruders.

Brückner Maschinenbau, a leading manufacturer of film stretching lines, has placed an order with Coperion for more than 50 ZSK Mc18 twin screw extruders. These will be integrated into plants for the production of flexible BOPET packaging films, which Brückner will install in China. The ZSK extruders have screw diameters ranging from 70 to 177 mm.

Brückner Maschinenbau’s substantial repeat order is based on many years of close cooperation with Coperion. With this order, Brückner is once again putting their trust in proven Coperion technology, which the company has already integrated into numerous film stretching lines. The ZSK extruders are used to melt the compounds that are fed into the lines. Thanks to their high torque, Coperion’s ZSK Mc18 extruders achieve very high throughput rates while maintaining low product temperatures and thus ensuring first-class product quality.

“We are very pleased that Brückner Maschinenbau is once again relying on our technology and know-how,” says Jochen Schofer, Business Segment Manager Recycling & Direct Extrusion at Coperion. “We very much appreciate this familiar, long-standing cooperation with the pioneer for plastic film lines. Our companies pursue very similar aspirations. We both develop high-quality technologies for plastics production with very high throughput rates. The efficient use of resources and high recyclability of the end products are important to us.”

Coperion GmbH  

https://www.coperion.com

Brückner Maschinenbau GmbH & Co. KG 

https://www.brueckner.com

 Plastic film stretching line from Brückner Maschinenbau, in which ZSK extruders from Coperion take over the melting of the compounds

16:9

2021-10-19 Coperion_Brückner

issue 03/2022

issue 02/2022

issue 01/2022

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