Package applications using polylactic acid film

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/08 (2006.01) B32B 33/00 (2006.01) B65D 81/24 (2006.01)

Patent

CA 2664283

Fresh produce and cut flower packages are prepared from one or more polymer layers. At least one layer is a polylactic acid (PLA) film layer. Layers that can be adhered to the PLA film layer include polyolefin and polyester films. The packages have optimized moisture vapour transmission rates (MVTR) and oxygen transmission rates (OTR) to produce a shelf-life extended package that reduces growth of bacteria and prevents haze or fog on the inside of the package.

Selon cette invention, des emballages de produits frais et de fleurs coupées sont préparés à partir d'une ou plusieurs couches polymères. Au moins une couche est une couche de film d'acide polylactique (PLA). Les couches qui peuvent être collées à la couche de film d'acide polylactique comprennent des films de polyoléfine et des films de polyester. Les emballages présentent des taux de transmission de vapeur d'eau (MVTR) et des taux de transmission d'oxygène (OTR) optimisés, ce qui permet de produire un emballage à durée de vie prolongée qui réduit la croissance des bactéries et prévient la formation de brume ou de brouillard sur l'intérieur de l'emballage.

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