Importance

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Abstract

A multilayered formable packaging film and a method of manufacturing the film are disclosed. The film is suitable for making blisters either by thermoforming or cold forming. The visible surface of the film has unique features preventing counterfeiting, which features are retained on the film even after blister formation. The film has a thickness not exceeding 1050 microns. The film substrate has a 10-500 micron thickness, is devoid of plasticizer and comprises at least one polymeric resin. A coat of an ester acrylic based primer having a 0.1-1 micron thickness is on a first surface of the substrate. A metallized layer with non-uniform thickness between 0.001 to 0.3 micron is deposited on the coat and embossed. A base having a thickness of 50-1000 microns is on the second surface, the base comprising at least one polymeric resin.

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First Claim