Flexible, thermoformable multi-layer film with improved...

B - Operations – Transporting – 32 – B

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Details

B32B 27/34 (2006.01) B32B 27/08 (2006.01) B65D 65/38 (2006.01) C08G 67/02 (2006.01) C08L 73/00 (2006.01) F16L 9/12 (2006.01) F16L 9/133 (2006.01)

Patent

CA 2312747

The invention relates to a multi-layered sealable film with an internal polyamide layer and an outer layer comprised of a linear, alternating constructed copolymer made of carbon monoxide and at least one ethylenically unsaturated olefin. The invention also comprises a sealing layer produced at least as a single-layer and situated on the other film outer side, and optional additional bonding connection layers. The invention also relates to the application of said film on machines used for producing thermoformed packaging and to the utilization of the film for packaging food stuffs.

La présente invention concerne un film multicouche scellable comportant une couche de polyamide intérieure, ainsi qu'une couche extérieure constituée d'un copolymère de monoxyde de carbone linéaire à structures alternantes et au moins d'une oléfine éthyléniquement insaturée, une couche de scellement présentant une structure au moins monocouche, située sur l'autre côté extérieur du film, et éventuellement, d'autres couches de liaison adhésives. L'invention concerne également l'utilisation du film susmentionné sur des machines pour la production d'emballages thermoformés, ainsi que l'utilisation de ce film pour l'emballage de produits alimentaires.

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