Multilayered shrink films and articles encapsulated therewith

Details Multilayered shrink films and articles encapsulated therewith Multilayered shrink films and articles encapsulated therewith

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) B32B 3/00 (2006.01) B32B 27/00 (2006.01) B32B 27/08 (2006.01) B32B 27/14 (2006.01) B65D 65/40 (2006.01)

Patent

CA 2463076

The present invention relates to a halogen-free, multilayered, uniaxially oriented heat shrink film comprising (A) a core layer comprising a blend of polyolefins; (B) a first skin layer on the upper surface of the core layer, and (C) a second skin layer on the lower surface of the core layer, wherein the first and second skin layers independently comprise a polyolefin blend and wherein the shrinkage of the film is at least about 40 % in the machine direction at 270 ~F. The present invention further relates to a balet having an adhesive applied to at least a portion of at least one of the skin layers of the multilayered heat shrink film. The heat shrink labels of the present invention are used to encapsulate articles.

La présente invention concerne un film thermorétractable multicouche, exempt d'halogène, à orientation uniaxiale, qui comprend: a) une couche centrale comprenant un mélange de polyoléfines; b) une première couche superficielle disposée sur la surface supérieure de la couche centrale; et c) une seconde couche superficielle disposée sur la surface inférieure de la couche centrale. La première et la seconde couches superficielles comprennent indépendamment un mélange polyoléfinique; et la rétraction du film est d'au moins environ 40 % dans le sens machine à 270 ·F. L'invention concerne en outre une étiquette présentant un adhésif collé sur au moins une partie d'au moins l'une ou l'autre des couches superficielles du film thermorétractable multicouche. Les étiquettes thermorétractables de l'invention sont utilisées pour encapsuler des articles.

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