Heat shrinkable multi-layer film and method of producing same

Details Heat shrinkable multi-layer film and method of producing same Heat shrinkable multi-layer film and method of producing same

B - Operations, Transporting

29

D

18/1041, 154/140

B29D 7/00 (2006.01) B32B 27/28 (2006.01) B65D 65/38 (2006.01)

Patent

CA 1077667

Abstract of the Disclosure A heat shrinkable multi-layer packaging film having a layer of a hydrolyzed ethylene-vinyl acetate copolymer. Preferably, the film is formed by coextruding the hydrolyzed ethylene-vinyl acetate copolymer layer between two other polymeric layers, at least one of which is cross-linkable, and thereafter irradiating and orienting the multi-layer structure. The resulting film is heat shrinkable and has very low oxygen permeability.

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