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    • 6. 发明公开
    • FILM IMPER-RESPIRANT A BASE DE COPOLYMERE D'ETHYLENE
    • 电影IMPER-RESPIRANT一个基地DE共聚物D'ETHYLENE
    • EP2558293A1
    • 2013-02-20
    • EP11719331.8
    • 2011-04-04
    • Arkema France
    • CARTIER, Laurent B.BIZET, Stéphane
    • B32B27/08B32B27/12C08J5/10C08L23/08
    • C08L23/0869C08J5/18C08J2323/08C08L23/0853Y10T428/264Y10T442/2164C08L2666/02
    • The invention relates to an impervious breathable film made of a composition that does not include polymers having polyether units and includes one or more polymers, at least one of which is an ethylene copolymer. Said impervious breathable film is moreover made of a comonomer, having the function of an acid or one of the derivatives thereof. In said impervious breathable film, the weight of comonomers, having the function of carboxylic acid or a derivative of said acid, is greater than or equal to 21 wt % in said copolymer. Said impervious film moreover relates to a slip additive. The film has a thickness of 2 to 30 μm and preferably 5 to 24 μm, for example, 10 to 20 μm. The invention also relates to an impervious breathable structure, containing a fibrous material and said film, and moreover relates to a method for manufacturing said structure. Said film and said structure are advantageously usable as an impervious breathable material for, for example, construction siding.
    • 本发明涉及由不包含具有聚醚单元的聚合物并且包括一种或多种聚合物(其中至少一种为乙烯共聚物)的组合物制成的不透水透气膜。 所述不透水透气膜还由具有酸或其衍生物之一的功能的共聚单体制成。 在所述不透水透气膜中,具有羧酸或所述酸的衍生物功能的共聚单体的重量在所述共聚物中大于或等于21重量%。 所述不透水膜还涉及滑动添加剂。 膜的厚度为2〜30μm,优选5〜24μm,例如10〜20μm。 本发明还涉及含有纤维材料和所述薄膜的不透水透气结构,此外还涉及制造所述结构的方法。 所述膜和所述结构可有利地用作例如建筑侧壁的不透水透气材料。