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Lighter production, better recycling

New functional parts can make costly ultrasonic welding superfluous in the flexible packaging solutions segment. How does this work? A series of weld-in spouts made of suitable mono-material makes it possible. This development from Pöppelmann Famac makes processes less complicated and boosts recycling.

New functional parts can make costly ultrasonic welding superfluous in the flexible packaging solutions segment. How does this work? A series of weld-in spouts made of suitable mono-material makes it possible. This development from Pöppelmann Famac makes processes less complicated and boosts recycling.

Stand-up pouches with weld-in spouts are used for a variety of everyday products. They are usually fitted with a plastic cap and tamper-evident closure. The PouchBooster series from plastics specialist Pöppelmann Famac is one of the flagships in this segment. It is suitable for use with liquid, pasty or free-flowing products and offers users from the food and pharmaceutical industries and other sectors efficient and user-friendly packaging solutions. Manufactured from mono-materials, they fulfil the requirements of the new EU plastics strategy as an easily recyclable solutionwhich pursues the goal of only allowing 100 per cent recyclable packaging within the EU by 2030.

In addition to very good machinability, the standardised dimensions of the Weld-in pourer of the LowSealing-Spouts product series, which allows bottlers a high degree of flexibility and more effective plant utilisation.

Upward leeway

"Especially in the area of flexible packaging solutions multilayer composite films are currently still very often usedthat are difficult or impossible to recycle. With the new shrink-wrapped spout series, this pouch packaging can also be realised as single-material packaging made of PE or PP, if the contents allow it," explains Claudia Hackmann, project manager at Pöppelmann Famac. "However, due to their temperature sensitivity, bags made from temperature-sensitive PE or PP monomaterials could previously only be fitted with a practical spout using cost-intensive ultrasonic welding technology. For companies that do not wish to invest in ultrasonic systems, we now offer another solution with our low-sealing spouts, together with the low-temperature seal", explains Claudia Hackmann.

Display

Customised caps made from monomaterials are also an option (image: Pöppelmann).

The company uses special PE and PP material combinations for this purpose, which enable reliable results even at low sealing temperatures. In the future, pouches, spouts and caps can be made from PE or PP and are therefore recyclable overall. Low-temperature sealing with the low-sealing spouts can be implemented easily and reliably on existing systems.

This resource-saving packaging solution is already available for caps without tamper-evident closures and will soon be possible with tamper-evident closures.

In addition to the standard pouch programme, the company has already developed various individual solutions that are ready for series production and have been adapted to monomaterials. The company is constantly pursuing this process. Customised caps with a special design are also playing an increasingly important role. "Among other things, our flip-top version is very popular here," says the project manager. This flip-flop closure eliminates the need to screw the pouch open and closed and has a tamper-evident closure. In addition to using PE and PP, PouchBooster users also have the option of using a spout and cap made entirely from PCR material if their product allows it.

SourcePöppelmann

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