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    NONWOVEN FIBER SHEET, METHOD FOR PRODUCING SAME, AND FILTER
    7.
    发明公开
    NONWOVEN FIBER SHEET, METHOD FOR PRODUCING SAME, AND FILTER 有权
    非织造纤维板，生产该纤维板的方法和过滤器

    公开(公告)号：EP2832409A1

    公开(公告)日：2015-02-04

    申请号：EP13767567.4

    申请日：2013-03-28

    申请人： Kuraray Co., Ltd.

    发明人： SAKAMOTO, Yasuhiko ,  KIYOOKA, Sumito

    IPC分类号： B01D39/16 ,  D01F8/10 ,  D01F8/14 ,  D04H1/541 ,  D04H1/542 ,  D04H1/559

    CPC分类号： B01D39/163 ,  B01D2239/0622 ,  B01D2239/0654 ,  D01F8/10 ,  D01F8/14 ,  D04H1/4309 ,  D04H1/435 ,  D04H1/54 ,  D04H1/541 ,  D04H1/542 ,  D04H1/558 ,  D04H1/559 ,  D04H1/56 ,  D10B2321/06 ,  D10B2403/00 ,  D10B2505/04 ,  Y10T428/24785

    摘要： A nonwoven sheet contains a substrate layer formed from a fiber aggregate nonwoven structural member; the fiber aggregate nonwoven structural member containing a thermal adhesive fiber; the thermal adhesive fibers are melt-bonded to fix the fibers of the member. The average thickness of the substrate layer is adjusted to not less than 0.2 mm to less than 1 mm, and the thermal adhesive fibers are substantially uniformly melt-bonded in a surface direction of the substrate layer. The sheet may have a surface layer over at least one side of the substrate layer, the surface layer may contain a fiber aggregate nonwoven structural member having an apparent density higher than the apparent density of the substrate layer. The surface layer may comprise a layer formed by heat-pressing or may be formed from a meltblown nonwoven fabric. The thermal adhesive fiber may be substantially uniformly melt-bonded in a thickness direction of the substrate layer. The thermal adhesive fiber may contain an ethylene-vinyl alcohol-series copolymer; the copolymer may form a continuous area of a surface of the fiber. The sheet has an improved flexural rigidity, less deformation under a load, and an excellent formability, in spite of a small thickness thereof.

    摘要翻译： 非织造片材含有由纤维聚集体非织造结构构件形成的基材层; 该纤维聚集体非织造结构件含有热粘合纤维; 热粘合纤维被熔融粘合以固定构件的纤维。 将基材层的平均厚度调节为不小于0.2mm至小于1mm，并且热粘合纤维在基材层的表面方向上基本均匀地熔融粘合。 片材可以在基材层的至少一侧上具有表面层，表面层可以包含表观密度高于基材层的表观密度的纤维聚集体非织造结构部件。 表面层可以包括通过热压形成的层或者可以由熔喷非织造织物形成。 热粘合纤维可以在基底层的厚度方向上基本均匀地熔融粘合。 热粘合纤维可以含有乙烯 - 乙烯醇系列共聚物; 该共聚物可以形成纤维表面的连续区域。 尽管其厚度很小，但该片材具有改进的抗弯刚度，在负载下较少的变形和优异的可成形性。

    FILTERMATERIAL
    8.
    发明公开
    FILTERMATERIAL 审中-公开
    滤材

    公开(公告)号：EP2776140A1

    公开(公告)日：2014-09-17

    申请号：EP12786945.1

    申请日：2012-11-08

    申请人： Mahle International GmbH

    发明人： DISSON, Ralf ,  NEUBAUER, Bernd ,  RENZ, Birgit ,  STEPPE, Markus

    IPC分类号： B01D39/16 ,  B01D39/18

    CPC分类号： B01D46/0023 ,  B01D39/163 ,  B01D39/18 ,  B01D46/521 ,  B01D46/528 ,  B01D2239/0464 ,  B01D2239/0622 ,  B01D2239/0636 ,  B01D2239/065 ,  B01D2239/0654 ,  B01D2239/0681 ,  B01D2239/0695 ,  B01D2239/1208 ,  B01D2239/1216 ,  B01D2275/10 ,  B01D2275/105 ,  B01D2275/305 ,  F02M35/08

    摘要： The invention relates to a filter material, in particular for an air filter, wherein the filter material (1) has a diminishing pore size in the flow direction (5), and wherein the filter material (1) has a substrate layer (2) on the inflow side and a fine-fiber layer (4), in particular a melt-blown layer, on the outflow side. It is essential to the invention that a connection region (3) is arranged between the substrate layer (2) and the fine-fiber layer (4), that the filter material (1) has a thickness (d) of d > 0.35 mm, and that an impregnation (6) is applied at least to the inflow side of the substrate layer (2). Thus, an especially high-performance filter material (1) that combines the advantages of the individual layers (2, 4) can be created.

    摘要翻译： 用于空气过滤器的过滤材料可以包括流入侧的基底层和相对于流动方向的流出侧的细纤维层。 过滤材料可以包括布置在基材层和细纤维层之间的连接区域。 衬底层，连接区域和细纤维层可以包括相对于流动方向具有聚集减少孔径的孔。 基底层，连接区域和细纤维层的组合厚度可以至少为0.35mm。 基材层可以包括纤维素材料，并且具有沿着流入侧设置的树脂的浸渍。 树脂可以占基材层的约22质量％。