摘要 |
<p>The present invention relates to 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 in relation to the total quantity of the layer (a) and (c), at least one inner layer (b) based on at least one homo- and/or copolyamide having isophorondiamine units as polyamide components, further comprising one adhesion promoter layer (d) and (e) arranged between the layers (a) and (b) and (b) and (c) respectively, each layer being based on at least one modified thermoplastic olefin homopolymer or olefin copolymer. The invention further relates to a sealing sheet comprising such a multi-layer film and to the use thereof for covering roofs.</p> |