Patent ID: 7722936
Filing Date: 2010-05-25
Classification: B32B,Y10T

Abstract:
1. A biaxially oriented, heat-shrinkable multilayer film having the following layer structure: a) a surface layer based on at least one olefinic polymer, on at least one olefinic copolymer or based on a combination of at least one olefinic polymer and at least one olefinic copolymer, b) a layer based on a mixture composed of an ionomer whose MFI is up to at most 4 dg/min and of an ionomer whose MFI is >4 dg/min, c) a barrier layer based on polyvinylidene chloride or on a vinylidene chloride copolymer, d) a layer based on an ionomer mixture according to layer b) or on an olefinic copolymer, e) a sealable layer based on at least one polyolefin and/or olefinic copolymer.