制备多层层合体的方法和多层层合体

Method for the production of a multilayer laminate, and multilayer laminate

Abstract

The invention relates to a method for producing a multilayer laminate, particularly for producing packaging comprising at least one or two oriented films (40) and at least one barrier layer (30). The following steps are carried out in said method: Two, especially sealable external films (40) are provided, at least one of which is an oriented external film (40); and an at least three-layered extrudate comprising a barrier layer material is extruded between the external films (40) in the form of an extruded connection layer that comprises a barrier (60) and is delimited by two external layers (10), each of which is directly laminated to the respective external film (40). The invention further relates to a multilayer laminate produced according to said method.
本发明涉及制备具有至少一层或者两层经取向的薄膜(40)和至少一层阻隔层(30)的、尤其用于制备包装的多层层合体的方法,其中进行如下步骤:-提供两层,尤其是能密封的外膜(40),其中至少一层外膜(40)是经取向的薄膜(40),-将以具有阻隔体的挤出复合层(60)形式的、至少为三层的且含有阻隔层材料的挤出物挤出到两层外膜(40)之间,其中所述具有阻隔体的挤出复合层(60)由两层外层(10)限定,切它们分别被直接层合到各层外膜(40)上。此外,本发明还涉及以此方法制得的多层层合体。

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