Shrink packaging barrier film

Details Shrink packaging barrier film Shrink packaging barrier film

B - Operations, Transporting

32

B

B32B 27/28 (2006.01) C08J 5/18 (2006.01) C08L 23/06 (2006.01) C08L 23/16 (2006.01) C08L 27/08 (2006.01)

Patent

CA 2548840

A film comprises a barrier layer including PVdC or EVOH, a skin layer, and an intermediate layer comprising at least about 50% of propylene/ethylene copolymer. The film has at least about 10% free shrink in at least one direction at 85°C. The film is useful in making barrier shrink bags.

Un film comportant une couche barrière contenant du PVDC ou de l'EVOH, une couche superficielle et une couche intermédiaire contenant au moins environ 50 % d'un copolymère de propylène/d'éthylène. Le film possède un rétrécissement libre à 85 degrés C d'au moins 10 % dans au moins une direction. Le film est utile pour la fabrication de sacs barrières thermorétractables.

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