Heat-shrinkable polyolefin film

Details Heat-shrinkable polyolefin film Heat-shrinkable polyolefin film

B - Operations, Transporting

32

B

B32B 27/00 (2006.01) B32B 27/32 (2006.01) C08L 23/08 (2006.01) C08L 23/04 (2006.01)

Patent

CA 2389035

A heat-shrinkable film which is based on a polyolefin and is suitable for use as a label to be attached to PET bottles, etc. Weight reduction, solvent sealability, and transparency are improved. The heat-shrinkable polyolefin film consists of a laminate comprising surface layers made of a resin material consisting mainly of a specific cycloolefin resin and an interlayer made of a resin material consisting mainly of a polyethylene resin.

L'invention concerne un film thermorétractable que l'on obtient à partir d'une polyoléfine et que l'on peut utiliser comme étiquette sur les bouteilles PET, etc. On améliore ainsi la légèreté, l'imperméabilité aux solvants et la transparence du film. Ledit film polyoléfinique thermorétractable est constitué d'un stratifié comprenant des couches de surface fabriquées dans un matériau du type résine renfermant essentiellement une résine cyclooléfinique spécifique, et une intercouche fabriquée dans un matériau du type résine renfermant essentiellement une résine de polyéthylène.

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