Label film for deep drawing methods
AssigneeTreofan Germany GmbH & Co. KG
InventorsBertram Schmitz, Karl-Heinz Kochem, Wilfrid Tews
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Abstract
The invention relates to the use of a bixailly oriented film having a porous layer, which contains propylene polymer and at least one β-nucleating agent and whose microporosity is generated by converting β-crystalline polypropylene during stretching of the film, for labeling containers during a drawing process.
Claims20
A biaxially oriented film having a microporous layer, which comprises a propylene polymer and at least one β-nucleating agent and whose microporosity is generated by converting β-crystalline polypropylene during stretching of the film, wherein the porous layer has a Gurley value in a range from 100,000 to 500,000 seconds.
Dependencies are inferred from the claim text.