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1. 发明公开

EP2520357A1 MULTILAYERED CHARGE-MOSAIC MEMBRANE AND MANUFACTURING METHOD THEREFOR 审中-公开
标题翻译：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
申请人： Kuraray Co., Ltd. , Yamaguchi University
发明人： JIKIHARA, Atsushi , KOBAYASHI, Kenichi , HIGA, Mitsuru
IPC分类号： B01D69/12 , B01D69/02 , B01D71/82
CPC分类号： B01D69/10 , B01D69/02 , B01D69/12 , B01D71/80 , B01D71/82 , B01D2325/18
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。

2. 发明公开

EP2940068A1 ION EXCHANGE MEMBRANE, METHOD FOR PRODUCING SAME, AND ELECTRODIALYZER 审中-公开
标题翻译： 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
申请人： Kuraray Co., Ltd. , Yamaguchi University
发明人： JIKIHARA, Atsushi , KOBAYASHI, Kenichi , NAKASHIMA, Takahiro , HIGA, Mitsuru
IPC分类号： C08J5/22 , C08J5/18
CPC分类号： C02F1/4693 , B01D61/422 , B01D67/0006 , B01D69/10 , B01D71/38 , B01D71/80 , B01D2323/30 , B01D2325/42 , C02F2201/46 , C08J5/2231 , C08J2329/04
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

3. 发明公开

EP4331710A1 ION EXCHANGE MEMBRANE, METHOD FOR MANUFACTURING ION EXCHANGE MEMBRANE, AND ION EXCHANGE MEMBRANE CELL 审中-实审
公开(公告)号：EP4331710A1
公开(公告)日：2024-03-06
申请号：EP22795911.1
申请日：2022-04-28
申请人： Yamaguchi University
发明人： HIGA, Mitsuru
IPC分类号： B01D61/46 , C08J5/22 , B01J39/04 , B01J39/05 , B01J39/19 , B01J39/20 , B01J41/04 , B01J41/05 , B01J41/13 , B01J41/14 , B01J47/12 , C25B13/02 , C25B13/08
摘要： A problem to be solved by the present invention is to provide an ion exchange membrane that can increase the surface area of a membrane effective for ion permeation, properly decreases the electric resistance of a flow passage between membranes and the attachment of a contaminating substance thereto, also enhances the mechanical strength of the membrane itself, and further, is less deformed or damaged due to swelling over a wide range of salt concentrations and even if there is a large difference in salt concentration between two solutions contacted with the membrane. The present invention provides an ion exchange membrane having a concavo-convex shape, wherein the ion exchange membrane has a flat portion in the vicinity of ends, and a convex curve and a concave curve resulting from curvatures of the ion exchange membrane itself form a convex part and a concave parts, respectively, in the concavo-convex shape of the ion exchange membrane, wherein the convex part extends linearly or curvedly, the concave part between the convex parts is flat, the concave part includes a first concave part adjacent to the convex part in the lateral direction of the convex part, along the longitudinal direction of the convex part, the convex part has an apex and a side face in the longitudinal direction, and the side face is inclined from the apex toward the first concave part.

4. 发明公开

EP2418013A1 CHARGE-MOSAIC MEMBRANE 审中-公开
标题翻译：电荷镶嵌膜
公开(公告)号：EP2418013A1
公开(公告)日：2012-02-15
申请号：EP10761735.9
申请日：2010-04-08
申请人： Yamaguchi University , Kuraray Co., Ltd.
发明人： HIGA, Mitsuru , JIKIHARA, Atsushi , KOBAYASHI, Kenichi , FUJIWARA, Naoki
IPC分类号： B01D69/02 , B01D71/38 , B01D71/80 , C08J5/22
CPC分类号： B01D71/82 , B01D65/10 , B01D2325/18 , Y10T428/31909
摘要： There is provided a charge-mosaic membrane comprising a cationic block copolymer (P) having a vinyl alcohol polymer block (A) and a cationic-group containing polymer block (B) as components; and an anionic block copolymer (Q) having a vinyl alcohol polymer block (C) and an anionic-group containing polymer block (D) as components. Such a charge-mosaic membrane is useful as a charge-mosaic membrane for piezodialysis because it exhibits higher membrane strength and higher permselectivity and has a larger charge density and a larger salt permeation flux.

5. 发明公开

EP2907839A1 CATION EXCHANGE MEMBRANE AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译： KATEENAUSTAUSCHMEMBRAN UND VERFAHREN ZUR HERSTELLUNG DAVON
公开(公告)号：EP2907839A1
公开(公告)日：2015-08-19
申请号：EP13844805.5
申请日：2013-09-27
申请人： Kuraray Co., Ltd. , Yamaguchi University
发明人： NAKASHIMA, Takahiro , JIKIHARA, Atsushi , WAKUI, Takashi , HIGA, Mitsuru
IPC分类号： C08J5/22 , C08F297/00
CPC分类号： B01D61/422 , B01D69/02 , B01D71/38 , B01D71/80 , B01D71/82 , B01D2325/42 , B01J39/19 , C02F1/4693 , C08F293/00 , C08F297/00 , C08J5/2231 , C08J2329/04 , C08J2353/00
摘要： Provided is a cation exchange membrane having a stable ion exchange performance during usage, being excellent in basic properties such as membrane resistance and ion transportation as well as strength, and useful for electrodialysis and a method for producing the same. The cation exchange membrane is composed of a polyvinyl alcohol copolymer including an anionic group-containing anionic polymer segment and a vinyl alcohol polymer segment, and having a microphase separation structure having a domain size (X) in a range from 0 nm
摘要翻译：本发明提供一种阳离子交换膜，其在使用中具有稳定的离子交换性能，具有优异的基本性能如膜电阻和离子输送以及强度，并且可用于电渗析及其制备方法。阳离子交换膜由包含阴离子性基团的阴离子聚合物链段和乙烯醇聚合物链段的聚乙烯醇共聚物构成，具有范围（X）为0nm×X‰以上的微相分离结构 150nm。该方法由聚乙烯醇共聚物形成膜，其被调节为含盐量，其中盐重量（C）相对于聚乙烯醇共聚物重量（P）为[（C）/（P）]为 4.5 / 95.5或更低。

6. 发明授权

EP1858938B1 GRAFT POLYMER 有权
标题翻译：接枝聚合物
公开(公告)号：EP1858938B1
公开(公告)日：2014-06-25
申请号：EP06729594.9
申请日：2006-03-15
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA , Yamaguchi University
发明人： TAKAGI, Shigeharu , HIGA, Mitsuru
IPC分类号： C08F261/04 , C08F261/00 , C08F2/04 , C08L51/00 , C08J5/22 , C25B13/08 , H01M8/10
CPC分类号： C08F291/00 , C08F261/00 , C08F261/04 , C08L51/003 , C08L2666/02

7. 发明公开

EP2420310A1 ION-EXCHANGE MEMBRANE AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译： 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
申请人： Yamaguchi University , Kuraray Co., Ltd.
发明人： HIGA, Mitsuru , JIKIHARA, Atsushi , KOBAYASHI, Kenichi , FUJIWARA, Naoki
IPC分类号： B01D61/00 , B01D69/00 , B01D69/10 , B01D71/38 , B01D71/82 , C08J5/22
CPC分类号： B01D69/10 , B01D61/44 , B01D67/0013 , B01D2323/30 , C08J5/2206 , C08J2329/04 , Y02A20/134
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。

8. 发明公开

EP1858938A2 GRAFT POLYMER 有权
标题翻译：接枝聚合物
公开(公告)号：EP1858938A2
公开(公告)日：2007-11-28
申请号：EP06729594.9
申请日：2006-03-15
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA , Yamaguchi University
发明人： TAKAGI, Shigeharu , HIGA, Mitsuru
IPC分类号： C08F261/04 , C08F261/00 , C08F2/04 , C08L51/00 , C08J5/22 , C25B13/08 , H01M8/10
CPC分类号： C08F291/00 , C08F261/00 , C08F261/04 , C08L51/003 , C08L2666/02
摘要： This invention provides a novel graft polymer that has excellent proton conductivity, is capable of regulating hydrogen permeability, methanol permeability, and the like, and can serve as a starting material for a polymer electrolyte membrane, which facilitates moisture balance control and efficient operation of a fuel cell. A polymer electrolyte membrane composed of such graft polymer is also provided. This graft polymer comprises a main chain comprising a hydroxyl group-containing polymer and a graft chain comprising a polymer containing a sulfonic acid group-containing monomer.

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