Peelable vacuum skin packages

Details Peelable vacuum skin packages Peelable vacuum skin packages

B - Operations, Transporting

65

D

B65D 81/20 (2006.01) B32B 27/28 (2006.01) B65D 75/32 (2006.01) B65D 75/52 (2006.01)

Patent

CA 2546386

The present invention describes vacuum skin packages comprising a thermoplastic film and a polyester substrate wherein the thermoplastic film includes at least a first polymer layer having a first surface and an opposing second surface and comprises an ethylene/unsaturated ester copolymer, wherein the first surface has been surface treated in a manner to exhibit a surface tension of between 36-60 dynes/cm. The thermoplastic film is adapted to form a peelable seal between the first surface of the first polymer layer of the thermoplastic film and the polyester substrate by a pressure of less than 1 × 105 Pa applied therebetween, wherein the peelable seal has a seal strength of between 0.5-6 lb./in. (0.09- 1.08 kg/cm).

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