Patent ID: 6740394
Filing Date: 2004-05-25
Classification: B32B,E04B,Y02A,Y02B,Y10T

Abstract:
Multi-layer film laminate having a first surface layer and a second surface layer, and comprising at least 4 layers (I) to (IV) arranged directly or indirectly in the following sequence:a) at least one thermoplastic polymer layer (I) as the first surface layer, vapor-coated with aluminum, whereby the vapor-coated surface is adjacent to the following layer, b) layer (II) as a gas barrier layer of an ethylene vinyl alcohol copolymer or polyvinyl alcohol, c) at least one further thermoplastic polymer layer (III), vapor-coated with aluminum and d) layer (IV) as a heat-sealable layer of a thermoplastic polymer, which is the second surface layer of the film laminate.