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Home > News > Packaging

Hosokawa Alpine’s MDO vacuum technology optimizes film orientation lines

Source：Adsale Plastics Network Date ：2021-08-02 Editor ：JK

Hosokawa Alpine AG presents a further development of the Machine Direction Orientation (MDO) technology. The new generation of Alpine's MDO lines are equipped with a vacuum roll which optimizes the production of high-quality oriented film.

"We are proud to use our more than 20 years of experience in MDO technology for this further development. This will significantly improve the production of fully recyclable mono-material films and contribute to the packaging solutions of the future," said Dr. Holger Niemeier, board member and head of the blown film division at Hosokawa Alpine.

MDO technology is based on monoaxial orientation. It opens up the possibility of specifically adapting and improving the optical and mechanical properties of the end product. Barrier properties, optics or film thickness can be modified.

Newest Alpine's MDO lines is equipped with a vacuum roll that optimizes high-quality oriented film production.

Depending on the MDO design, the film runs over eight to twelve rolls, two of which are stretching rolls. The second of these is now a vacuum roll with a porous surface. Due to the vacuum inside the stretching roll, the film is guided tightly against the roll. This improves flatness and the MDO film is well prepared for lamination or printing.

The Hosokawa Alpine MDO technology is a crucial component in the production of high-performance mono-material composites made of polyethylene. This has a particular impact on the material cycle: until now, in order to generate certain product properties, composites of different materials were produced, which cannot be fully recycled.

Full-PE packaging solutions, i.e. films made from pure polyethylene composites, are a more environmentally friendly concept. These can be fully recycled after their original use and reused in the circular economy for end products without material loss. This combines sustainability and resource conservation.

Hosokawa Alpine can already look back on numerous successful projects with partners, in which high-performance and resource-saving packaging of the future has been produced.

In the past, the unique Hosokawa Alpine TRIO technology ("Trim Reduction for Inline Orientation") has already provided significant material savings in edge trimming. In addition to this innovative solution, the new vacuum roller also reduces the neck-in by up to 70%. Neck-in means the reduction in usable width due to the material being pulled apart. So, the significant neck-in reduction saves further resources.

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Source：Adsale Plastics Network Date ：2021-08-02 Editor ：JK

Newest Alpine's MDO lines is equipped with a vacuum roll that optimizes high-quality oriented film production.

Hosokawa Alpine can already look back on numerous successful projects with partners, in which high-performance and resource-saving packaging of the future has been produced.