Multilayered, coextruded, heat-stable deep-drawing foil for...

B - Operations – Transporting – 32 – B

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Details

B32B 27/08 (2006.01) B32B 27/32 (2006.01) B32B 27/34 (2006.01) B65D 75/58 (2006.01)

Patent

CA 2336676

The present invention relates to a thermoformable, multilayer, co-extruded adhesive--free and EVOH-free film containing polyamide, polyolefins, and/or copolymers based on olefins. This film is particularly suitable for the packaging of products that have been subjected to a heat treatment in thermoformed films. The films are characterised by an outer layer of polyamide and a second outer layer of polyolefins or coploymers based on olefins, wherein the film composite does not delaminate even at temperatures between 50°C and 150°C.

Feuille à emboutir coextrudée et à plusieurs couches, exempte d'adhésif et de EVOH, qui contient du polyamide, des polyoléfines, et plus particulièrement des copolymères à base d'oléfines. Cette feuille est particulièrement adaptée pour l'emballage de produits qui sont soumis à un traitement thermique dans des feuilles embouties. Ces feuilles se caractérisent par une couche externe en polyamide et une deuxième couche externe en polyoléfines ou en copolymères à base d'oléfines, les couches de la feuille ne se séparant pas, même à des températures allant de 50 DEG C à 150 DEG C.

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