阅读说明：本技术 多层复合膜的制造方法、多层复合膜及其用途 (Method for producing multilayer composite film, multilayer composite film and use thereof ) 是由 于尔根·米夏埃尔·希夫曼 于 2020-04-30 设计创作，主要内容包括：本专利申请涉及一种制造多层复合膜的方法,包括共挤出至少三层(a)、(b)和(c)的步骤,其中,所述层(a)形成所述复合膜的外表面。所述层(c)形成所述复合膜的面向或接触待包装物品的表面。所述层(b)设置在所述层(a)和所述层(c)之间。此外,所述方法还包括：将如此共挤出的所述复合膜进行双轴取向的步骤。其中,所述层(a)包含热塑性树脂或由所述热塑性树脂组成。所述层(b)包含聚偏二氯乙烯(PVdC)树脂或由聚偏二氯乙烯(PVdC)树脂组成。所述层(c)包含树脂,优选为可密封树脂,尤其为可热密封树脂,或者由树脂,优选为可密封树脂,尤其为可热密封树脂组成。其中,在所述复合膜的制造过程中和/或之后,通过放射性辐射,尤其为通过β、γ、X射线和/或电子辐射的所述复合膜的任何交联被省略。(The present patent application relates to a process for manufacturing a multilayer composite film comprising the step of coextruding at least three layers (a), (b) and (c), wherein said layer (a) forms the outer surface of said composite film. The layer (c) forms the surface of the composite film that faces or contacts the item to be packaged. The layer (b) is disposed between the layer (a) and the layer (c). Furthermore, the method further comprises: subjecting the composite film thus coextruded to a step of biaxial orientation. Wherein the layer (a) comprises or consists of a thermoplastic resin. The layer (b) comprises or consists of a polyvinylidene chloride (PVdC) resin. The layer (c) comprises or consists of a resin, preferably a sealable resin, especially a heat sealable resin. Wherein any cross-linking of the composite membrane by radioactive radiation, in particular by beta, gamma, X-ray and/or electron radiation, during and/or after the manufacturing of the composite membrane is omitted.)