发明名称 |
MEMBRANES |
摘要 |
<p>A membrane comprising a layer (A) and a layer (B), where the layer (A) comprises a composition (i) containing the following polymer components, all percent amounts being by weight: a) 10-40% of a propylene homopolymer and/or or copolymer containing over 85% of propylene, and having a fraction insoluble in xylene at room temperature greater than 80%; and b) 60-90% of one or more a-olefin/ethylene copolymers containing less than 40% of ethylene and having solubility in xylene at room temperature greater than 70%; the amounts of (a) and (b) being referred to the total weight of (a) and (b); and the layer (B) comprises an ethylene homopolymer and/or copolymer having density from 0.915 to 0.980 cm3/g; said layer (B) being at least partially bonded to the layer (A).</p> |
申请公布号 |
WO2012072426(A1) |
申请公布日期 |
2012.06.07 |
申请号 |
WO2011EP70412 |
申请日期 |
2011.11.18 |
申请人 |
BASELL POLIOLEFINE ITALIA S.R.L.;LUNGHI, LUCA;FELISATI, ANDREA |
发明人 |
LUNGHI, LUCA;FELISATI, ANDREA |
分类号 |
B32B27/32;E02D31/00;E04D5/10 |
主分类号 |
B32B27/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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