Thermoplastic film having improved handling and sealing...

Details Thermoplastic film having improved handling and sealing... Thermoplastic film having improved handling and sealing...

B - Operations, Transporting

32

B

18/783

B32B 27/08 (2006.01) B32B 27/30 (2006.01) B65D 65/40 (2006.01)

Patent

CA 1172012

THERMOPLASTIC FILM HAVING IMPROVED HANDLING AND SEALING CHARACTERISTICS AND RECEPTACLE FORMED THEREFROM Abstract of the Disclosure Disclosed is a multi-layer, heat shrinkable, thermoplastic packaging film which will produce heat seals having improved strength both in the presence of and absence of grease at elevated temperatures, e.g., at shrink temperatures. The layer providing the sealing surface comprises an ethylene-vinyl acetate copolymer which is more crystalline and about half the thickness of the adjacent layer of less crystalline ethylene-vinyl acetate copolymer. Bags for food products can be made from the film at a faster rate than with prior art films.

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