Biaxially oriented film with better surface quality based on crystallizable polyesters and process for producing the film
AssigneeMitsubishi Polyester Film GmbH
InventorsUrsula Murschall, Ulrich Kern, Rainer Kurz, Holger Kliesch, Bodo Kuhmann
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Abstract
The invention relates to a single- or multilayer, biaxially oriented film based on a crystallizable polyester and comprising at least one primary stabilizer for inhibiting oxidative degradation. The crystallizable polyester comprises from 100 to 10 000 ppm of primary stabilizer in covalently bonded form. The invention further relates to a process for producing the film.
Claims19
A single- or multilayer, biaxially oriented film based on a crystallizable polyester and comprising at least one primary stabilizer for inhibiting oxidative degradation, wherein the crystallizable polyester comprises from about 100 to about 10 000 ppm of primary stabilizer in covalently bonded form.
Dependencies are inferred from the claim text.