Transparent barrier film and method for producing the same
AssigneeFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
InventorsMatthias Fahland, Tobias Vogt, Nicolas Schiller, John Fahlteich, Waldemar Schoenberger
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Abstract
The invention relates to a transparent barrier film, comprising a transparent thermoplastic film and at least one permeation barrier layer, wherein the permeation barrier layer comprises a chemical compound of the elements zinc, tin and oxygen, and the mass fraction of zinc is 5% to 70%. Furthermore, the invention relates to a method for the production of a barrier film of this type.
Claims14
Transparent barrier film, comprising a transparent thermoplastic film and at least one permeation barrier layer, characterized in that the permeation barrier layer comprises a chemical compound of the elements zinc, tin and oxygen, wherein the mass fraction of zinc is 5% to 70%.
Method for producing a transparent barrier film, comprising a transparent thermoplastic film and at least one permeation barrier layer, characterized in that the permeation barrier layer is deposited as a chemical compound of the elements zinc, tin and oxygen by means of a vacuum coating process.
Dependencies are inferred from the claim text.