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Nanocomposite breakthrough in packaging films?

Scientists at the Army’s Natick Labs are moving forward with two MRE pouches that, because they use a nanocomposite coating as the barrier layer, will lighten the load for soldiers in the field and reduce the amount of solid waste generated by the Army.

Source reduction is a key driver behind both of the MRE (Meals, Ready-to-Eat) pouches that are in development at Natick Labs. One is for retort purposes and one is a non-retort pouch. The non-retort pouch is described as a multilayer structure that uses a nanocomposite coating in place of foil as the barrier layer. Kuraray nanocomposite barrier films incorporate functionalized nanoparticles into a coating for barrier polymers, nylon, and/or PET.

The nanocomposite retort pouch is also being developed in collaboration with Kuraray. The goal is an all-polymer film structure, in place of a quad-laminate foil-based structure, that employs a high-barrier nanocomposite coating. The barrier material, Kuraister N, is on both sides of a nylon substrate.

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