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Home > News > Packaging

SÜDPACK develops mono-plastic and recyclable doypack

Source：Adsale Plastics Network Date ：2022-10-07 Editor ：JK

According to SÜDPACK, its resealable doypacks have been a packaging concept suitable for nuts, sweet and savory snacks, as well as spices, coffee and tea – but the current barrier composites on the market are not very sustainable, due to their aluminum content.

 

The company has therefore developed its first practical, PP-based doypack, which is material-efficient, entirely aluminum-free and above all recyclable. This innovative concept will be on display at this year’s FachPack.

 

The packaging concept is a mono-plastic solution. It is polypropylene-based and therefore supports the statutory demand for recyclable packaging – with the same functionality.

 

“In addition to reducing the carbon footprint by substituting aluminum, the principal goal of this development was also to optimize recyclability and improve material efficiency,” said Holger Hoss, Product Manager at SÜDPACK.


1_web.jpg

SÜDPACK develops its first PP-based doypack solution for packaging.


The material is very rigid and offers all the properties that are necessary for the efficient and safe packaging of food in doypacks. Depending on the products to be packaged, the films can be equipped with different barrier properties.

 

Based on what is needed, the pouches can be aroma proof and guarantee optimal protection against moisture, UV radiation or oxygen.

 

By substituting the aluminum barrier with a coextruded barrier layer, the shelf life of salami sticks could be guaranteed for up to 70 days during a pilot project for the zur Mühlen Group, for example. Thanks to an integrated transparent panel, consumers have a clear view of the product with this packaging.

 

Another important aspect: reducing the film thickness by around ten percent achieved a weight saving of 26 percent compared to conventional packaging, resulting in a reduction in DSD fees.

 

These high-performance films also feature high machinability, which results in a high level of process and packaging reliability. “This wasn’t a foregone conclusion,” stated Holger Hoss. Because “Single-material solutions require much more sensitive processing and in most cases, the technical design of current machine peripherals isn’t suitable for such packaging materials.”

 

Due to its wide transparent seal, however, the new material can mostly, or with only minor parameter adjustments, be used on existing doypack lines that are actually designed for processing aluminum composites.

 

At the same time, the structure of the sealing layer ensures the simple and efficient integration of resealing systems, such as zippers, based on polypropylene and polyethylene. These are already available on the market for flat pouches and doypacks.

 

In addition, sustainability can be further intensified when the packaging film is printed using SÜDPACK’s new SPQ technology as it allows reduced ink and solvent consumption with significantly improved print quality.

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Source：Adsale Plastics Network Date ：2022-10-07 Editor ：JK

According to SÜDPACK, its resealable doypacks have been a packaging concept suitable for nuts, sweet and savory snacks, as well as spices, coffee and tea – but the current barrier composites on the market are not very sustainable, due to their aluminum content.

 

The company has therefore developed its first practical, PP-based doypack, which is material-efficient, entirely aluminum-free and above all recyclable. This innovative concept will be on display at this year’s FachPack.

 

The packaging concept is a mono-plastic solution. It is polypropylene-based and therefore supports the statutory demand for recyclable packaging – with the same functionality.

 

“In addition to reducing the carbon footprint by substituting aluminum, the principal goal of this development was also to optimize recyclability and improve material efficiency,” said Holger Hoss, Product Manager at SÜDPACK.


1_web.jpg

SÜDPACK develops its first PP-based doypack solution for packaging.


The material is very rigid and offers all the properties that are necessary for the efficient and safe packaging of food in doypacks. Depending on the products to be packaged, the films can be equipped with different barrier properties.

 

Based on what is needed, the pouches can be aroma proof and guarantee optimal protection against moisture, UV radiation or oxygen.

 

By substituting the aluminum barrier with a coextruded barrier layer, the shelf life of salami sticks could be guaranteed for up to 70 days during a pilot project for the zur Mühlen Group, for example. Thanks to an integrated transparent panel, consumers have a clear view of the product with this packaging.

 

Another important aspect: reducing the film thickness by around ten percent achieved a weight saving of 26 percent compared to conventional packaging, resulting in a reduction in DSD fees.

 

These high-performance films also feature high machinability, which results in a high level of process and packaging reliability. “This wasn’t a foregone conclusion,” stated Holger Hoss. Because “Single-material solutions require much more sensitive processing and in most cases, the technical design of current machine peripherals isn’t suitable for such packaging materials.”

 

Due to its wide transparent seal, however, the new material can mostly, or with only minor parameter adjustments, be used on existing doypack lines that are actually designed for processing aluminum composites.

 

At the same time, the structure of the sealing layer ensures the simple and efficient integration of resealing systems, such as zippers, based on polypropylene and polyethylene. These are already available on the market for flat pouches and doypacks.

 

In addition, sustainability can be further intensified when the packaging film is printed using SÜDPACK’s new SPQ technology as it allows reduced ink and solvent consumption with significantly improved print quality.

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SÜDPACK develops mono-plastic and recyclable doypack

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