ION-EXCHANGE MEMBRANE AND METHOD FOR PRODUCING SAME
    1.
    发明公开
    ION-EXCHANGE MEMBRANE AND METHOD FOR PRODUCING SAME 审中-公开
    IONENAUSTAUSCHMEMBRAN UND HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号:EP2420310A1

    公开(公告)日:2012-02-22

    申请号:EP10764442.9

    申请日:2010-04-13

    摘要: There is provided an ion-exchange membrane comprising an ion-exchange layer made of a cationic polymer and/or an anionic polymer and a supporting layer, wherein the ion-exchange layer is formed on the supporting layer by printing. Such an ion-exchange membrane exhibits excellent anti-organic fouling and low membrane resistance, thereby high efficient and long-time stable electrodialysis can be achieved. Formation of the ion-exchange layer as a charge-mosaic layer consisting of the cationic polymer domains and the anionic polymer domains provides a charge-mosaic membrane exhibiting excellent electrolyte permselectivity and mechanical strength.

    摘要翻译: 提供了包含由阳离子聚合物和/或阴离子聚合物和支持层制成的离子交换层的离子交换膜,其中通过印刷在支撑层上形成离子交换层。 这种离子交换膜表现出优异的抗有机污垢和低膜电阻,从而可以实现高效且长时间稳定的电渗析。 作为由阳离子聚合物区域和阴离子聚合物区域构成的电荷 - 镶嵌层的离子交换层的形成提供了显示出优异的电解质选择性和机械强度的电荷镶嵌膜。

    ION EXCHANGE MEMBRANE, METHOD FOR PRODUCING SAME, AND ELECTRODIALYZER
    3.
    发明公开
    ION EXCHANGE MEMBRANE, METHOD FOR PRODUCING SAME, AND ELECTRODIALYZER 审中-公开
    IONENAUSTAUSCHERMEMBRAN,VERFAHREN ZUR HERSTELLUNG DAVON UND ELEKTRODIALYSATOR

    公开(公告)号:EP2940068A1

    公开(公告)日:2015-11-04

    申请号:EP13869781.8

    申请日:2013-12-18

    IPC分类号: C08J5/22 C08J5/18

    摘要: Provided is an ion exchange membrane including an ionic vinyl alcohol polymer having a cation exchange group or an anion exchange group. The ion exchange membrane 1 includes a porous support 3 and the ionic vinyl alcohol polymer. The porous support is provided, in a thickness direction from one surface thereof, with an impregnated layer 2 at least a part of which is impregnated with the ionic vinyl alcohol polymer. The ionic vinyl alcohol polymer includes an ionic vinyl alcohol polymer having an ion exchange group selected from a cation exchange group or an anion exchange group. The ion exchange membrane has a zeta potential value (ζ1) at one surface and a zeta potential value (ζ2) at the other surface, which are represented by the formula (1). ζ ⁢ 1 - ζ ⁢ 2 / ζ ⁢ 1 0.5 ζ ⁢ 1 ≥ ζ ⁢ 2

    摘要翻译: 本发明提供了具有阳离子交换基团或阴离子交换基团的离子性乙烯醇系聚合物的离子交换膜。 离子交换膜1包括多孔载体3和离子性乙烯醇聚合物。 多孔载体在其一个表面的厚度方向上设置浸渍层2,浸渍层2的至少一部分用离子型乙烯醇聚合物浸渍。 离子型乙烯醇聚合物包括具有选自阳离子交换基团或阴离子交换基团的离子交换基团的离子性乙烯醇系聚合物。 离子交换膜在一个表面具有ζ电位值(¶1),另一个表面的ζ电位值(¶2)由公式(1)表示。 ¶ ¢1 - ¶ ¢2 /¶ ¢1 <0.5¶ ¢1‰¶ ¢2

    MULTILAYERED CHARGE-MOSAIC MEMBRANE AND MANUFACTURING METHOD THEREFOR
    4.
    发明公开
    MULTILAYERED CHARGE-MOSAIC MEMBRANE AND MANUFACTURING METHOD THEREFOR 审中-公开
    美国皇家大学教授迈克尔·杰克逊

    公开(公告)号:EP2520357A1

    公开(公告)日:2012-11-07

    申请号:EP10841001.0

    申请日:2010-12-27

    IPC分类号: B01D69/12 B01D69/02 B01D71/82

    摘要: There is provided a multilayered charge-mosaic membrane having a porous supporting layer (A), a porous intermediate layer (B) and a charge-mosaic layer (C), wherein the porous supporting layer (A), the porous intermediate layer (B) and the charge-mosaic layer (C) are located in this order; the porous supporting layer (A) and/or the porous intermediate layer (B) are made of a fiber layer containing hydrophilic fibers; a thickness of the porous intermediate layer (B) is 0.1 to 100 µm; a porosity of the porous supporting layer (A) is larger than a porosity of the porous intermediate layer (B); the cationic and/or the anionic polymers constituting the charge-mosaic layer (C) is a polyvinyl alcohol having an ionic group. Thus, there is provided a multilayered charge-mosaic membrane having a large salt permeation flux and excellent mechanical strength.

    摘要翻译: 提供了具有多孔支撑层(A),多孔中间层(B)和电荷 - 马赛克层(C)的多层电荷镶嵌膜,其中多孔支撑层(A),多孔中间层(B )和电荷镶嵌层(C)按顺序排列; 多孔支撑层(A)和/或多孔中间层(B)由含有亲水性纤维的纤维层构成; 多孔中间层(B)的厚度为0.1〜100μm; 多孔支撑层(A)的孔隙率大于多孔中间层(B)的孔隙率。 构成电荷马赛克层(C)的阳离子和/或阴离子聚合物是具有离子性基团的聚乙烯醇。 因此,提供了具有大的盐渗透通量和优异的机械强度的多层电荷镶嵌膜。