Heat shrinkable multilayer packaging film

Details Heat shrinkable multilayer packaging film Heat shrinkable multilayer packaging film

B - Operations, Transporting

32

B

154/140

B32B 27/08 (2006.01) B32B 27/32 (2006.01)

Patent

CA 1115198

MULTILAYER FILM ABSTRACT OF THE DISCLOSURE A heat-shrinkable multilayer film suitable for use in the packaging of primal meat cut, includes a first outer layer comprising a blend of a propylene- ethylene copolymer, a (butene-1)-ethylene copolymer, and a thermoplastic elastomer selected from the group consisting of ethylene-propylene copolymers and ethylene-propylene diene terpolymers; a first core layer connected to the first outer layer and being capable of being stretched during the biaxial orienta- tion of the multilayer film and comprising an extrudable adhesive; a second core layer connected to the first core layer and serving as an oxygen barrier to protect the meat cut from spoilage and being compatible to the biaxial orienting and heat shrinking of the film; and a second outer layer comprising an ethylene vinyl acetate copolymer; the multilayer film being biaxially oriented. S P E C I F I C A T I O N

323516

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