Polymeric films
AssigneeCourtaulds Films & Packaging (Holdings) Ltd.
InventorDarren W. Dean
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Abstract
The invention concerns polymeric films including a layer of polypropylene homopolymer with a layer of voided polypropylene on one side and a layer of a printable polymer on the other side.The printable polymer is preferably an acrylic polymer, a co- or terpolymer containing units derived form at least two of ethylene, propylene or but-1-ene, and/or a linear low density polyethylene. Films of the present invention have good gloss combined with printability and a pearlescent effect. They can also provide evidence of tampering with packaged goods.
Claims13
A polymeric film comprising a layer of non-voided propylene homopolymer having a layer of voided polypropylene on one side and a layer of a glossy, printable polymer on the other side.
Dependencies are inferred from the claim text.