Method for producing polypropylene films
AssigneeTreofan Germany GmbH & Co. KG
InventorsDetlef BUSCH, Harald EIDEN, Christian PETERS, Josef SCHAAN
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Abstract
The invention relates to a method for producing a biaxially oriented polypropylene film including at least one layer, which is constructed from propylene polymer B and a propylene polymer that has been recycled once. The film is used in capacitors.
Claims10
-19. (canceled)
A biaxially oriented polypropylene film comprising at least one layer, wherein the film is constructed from virgin propylene polymers and contains 0.5 to 40% by weight of at least one polypropylene polymer that has been recycled once and no polymer that has been recycled multiple times.
A biaxially oriented polypropylene film for use as a dielectric film or electroinsulating film comprising at least one layer, wherein the film is constructed from virgin propylene polymers and contains 0.5 to 40% by weight of at least one polypropylene polymer that has been recycled once and no polymer that has been recycled multiple times.
Dependencies are inferred from the claim text.