Multi-Layer Film Having a High Puncture Resistance and Resistance to Further Tearing
    139.
    发明申请
    Multi-Layer Film Having a High Puncture Resistance and Resistance to Further Tearing 有权
    具有高耐穿刺性和耐撕裂性的多层膜

    公开(公告)号:US20120240511A1

    公开(公告)日:2012-09-27

    申请号:US13491662

    申请日:2012-06-08

    Inventor: Heinz ENGELHARD

    Abstract: A multi-layer film comprising a layer (a) and a layer (c), each layer comprising at least one propylene copolymer in a quantity of at least 30% by weight and at least one propylene homopolymer in a quantity of at least 20% by weight, in each case relative to the total quantity of the layer (a) or (c), at least one inner layer (b) based on at least one homo- and/or co-polyamide having isophorondiamine units as polyamide components, and further comprising adhesion promoter layers (d) and (e) arranged between the layers (a) and (b) and between the layers (b) and (c), respectively, each adhesion promoting layer being based on at least one modified thermoplastic olefin homopolymer or olefin copolymer; a sealing sheet comprising such a multi-layer film, and the use of such a multi-layer film for covering roofs.

    Abstract translation: 一种包含层(a)和层(c)的多层膜,每层包含至少一种至少30重量%的丙烯共聚物和至少一种丙烯均聚物的至少20重量% 在每种情况下相对于层(a)或(c)的总量,至少一个内层(b)基于至少一种具有异佛尔酮二胺单元作为聚酰胺组分的均聚和/或共聚酰胺, 并且还包括分别布置在层(a)和(b)之间以及层(b)和(c)之间的粘合促进剂层(d)和(e),每个粘合促进层基于至少一种改性的热塑性塑料 烯烃均聚物或烯烃共聚物; 包括这种多层膜的密封片,以及这种多层膜用于覆盖屋顶的用途。

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