发明名称 MULTI-LAYER FILM HAVING A HIGH PUNCTURE RESISTANCE AND RESISTANCE TO FURTHER TEARING
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>
申请公布号 CA2782506(A1) 申请公布日期 2011.06.16
申请号 CA20102782506 申请日期 2010.12.13
申请人 HUHTAMAKI FORCHHEIM ZWEIGNIEDERLASSUNG DER HUHTAMAKI DEUTSCHLAND GMBH & CO. KG 发明人 ENGELHARD, HEINZ
分类号 B32B27/32;B32B11/04;B32B27/34;E04D5/10 主分类号 B32B27/32
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