Mehrschichtige, tiefziehbare Folie und deren Verwendung bei der Herstellung von Kochpökelwaren

摘要

Deep drawable, sealable multi-layer films (F) comprise the following layers, opt. contg. standard additives and auxiliary agents, in the sequence (A1)/(B)/(A2)/(C)/(D): (A1) polyamide layer; (B1) adhesion promoting layer; (A2) polyamide layer; (C) adhesion promoting layer, opt. comprising two or more layers of the same or different material; and (D) zinc type ionomer seal layer. The prepn. of (F) by flat film coextrusion with an in-line coextrusion coating is also claimed.