ExxonMobil and W&H demonstrate new collation shrink film

Solution demonstrated at W&H stand at K 2019

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ExxonMobil and Windmöller & Hölscher (W&H) have created a POD collation shrink film, which includes 30 percent recycled PE and maintains performance
ExxonMobil and Windmöller & Hölscher (W&H) have created a POD collation shrink film, which includes 30 percent recycled PE and maintains performance

Continuing an ongoing collaboration of almost 20 years, ExxonMobil and Windmöller & Hölscher (W&H) are demonstrating a 40-micron, 5-layer polyolefin dedicated (POD) collation shrink film, which includes 30 percent recycled polyethylene (PE) at K 2019. Processed on a Varex II blown film line, the collation shrink film maintains performance due to the inclusion of Exceed XP and Enable performance PE polymers and ExxonMobil LDPE in the formulation. This innovative solution is being demonstrated at the W&H booth (Hall 17, stand A57).

By including recycled PE in this collation shrink film it enables valuable material to be re-used in new applications and helps customers create sustainable solutions,” says David Hergenrether. ExxonMobil Chemical vice president, Polyethylene. “As a mono-material solution, it is easily recycled where programs and facilities to collect and recycle plastic films exist.”

Because this collation shrink film incorporates ExxonMobil performance PE polymers with recycled PE, it delivers the toughness, holding force and shrink performance for high integrity packaging and storage stability at thinner gauge. Optical properties provide high-end visual in-store consumer appeal. The film is easy to process with fast start/stop technology and high output. Recycled PE can be used in W&H film extrusion equipment like Varex II with consistent processability.

The combination of VAREX II technology and ExxonMobil performance PE polymers, allows a broad range of recycled polyethylene streams to be used,” says Martin Backmann, R&D Division manager, Windmöller & Hölscher. “The processing challenge presented by recycled materials with a broad melt index and density range is solved by using Exceed XP and Enable. Our Varex II technology provides excellent processability of performance polyethylene polymers combined with recycled polymers to deliver higher output, fast transition, and excellent optical properties.”

This 40-micron, 5-layer collation shrink film, with 30 percent recycled PE, has been validated by Grupo Armando Alvarez, a leading plastic film and packaging producer, to effectively package 6 x 1.5L bottles, ensuring value being delivered across the supply chain. The new collation shrink packaging that includes 30 percent recycled PE delivers comparable package integrity and optical performance to conventional collation shrink solutions. Collation shrink packaging films with outstanding mechanical and optical properties can be created using Exceed XP and Enable performance PE polymers.

ExxonMobil introduced Exceed XP to the formulation to boost the mechanical properties because recycled polyethylene has been added. Exceed XP maintains the toughness and optical properties, while medium density Enable delivers balanced properties of shrinkability, holding force and toughness. The shrink speed of the film can be adjusted for different shrink process conditions due to the use of ExxonMobil LDPE.

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