Multilayered, bioriented, heat shrinkable film

Details Multilayered, bioriented, heat shrinkable film Multilayered, bioriented, heat shrinkable film

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) B29C 55/02 (2006.01) B29C 55/14 (2006.01) C08L 23/02 (2006.01)

Patent

CA 2175084

Multilayers, bioriented and heat shrinkable films, method for manufacturing them and their use for packaging food products and consumer goods. Said films are extruded from a flat die, comprise at least one layer comprising at least one ethylene/alpha olefin C4-C12 copolymer having more than one melting point and are stretched both in machine direction and cross-direction.

Cette invention concerne des films thermorétractables à plusieurs couches et double orientation, un procédé de fabrication de ces derniers et leur utilisation pour emballer des produits alimentaires et des biens de consommation. Ces films sont extrudés dans une filière plate et comprennent au moins une couche renfermant au moins un copolymère d'éthylène/alpha-oléfine C¿4?-C¿12? ayant plus d'un point de fusion, et ils sont étirés dans le sens machine et dans le sens transversal.

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