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Novel performance polyethylene resins for nylon reduction in cast barrier films
Multilayer cast barrier films are used for making thermoformable bottom webs which are a significant part of meat and cheese packages. Such films are typically made of multimaterials such as PE, PP, EVOH and nylon with each material needed for specific functionality of the package.

However, there is increasing desire and drive from the film converters and brand owners to reduce or eliminate nylon from these packages in order to increase the potential for them to be mechanically or chemically (advanced) recycled. This need is driven by higher focus from the converters and brand owners to meet the value chain’s sustainability goals.

As a result, novel performance polyethylene (pPE) resins from ExxonMobil Chemical Company were explored in collaboration with W&H using their 11 layer cast barrier film line at W&H R&D center in Lengerich, Germany. The results of this study showed that it was possible to reduce up to 25% nylon content and in some cases, even up to 50% nylon content in the cast barrier films when specific pPE resins from EMCC were used.

The interesting results from this study are discussed and presented here, which helps to open up the possibilities for the film converters and brand owners in this space to achieve their sustainability goals for 2025 and beyond.

Jun 16, 2021 10:00 AM in Central Time (US and Canada)

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Dr. Nilesh Savargaonkar
Principal Customer & Application Development Engineer @ExxonMobil
Nick Nigro
Sales Product Manager-Extrusion @Windmöller & Hölscher