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    Separation membrane element
    1.
    发明授权
    Separation membrane element 有权
    分离膜元件

    公开(公告)号：US09387445B2

    公开(公告)日：2016-07-12

    申请号：US13642449

    申请日：2011-06-02

    申请人： Masahiro Kimura ,  Katsufumi Oto ,  Kentarou Takagi ,  Hiroho Hirozawa ,  Masakazu Koiwa ,  Yutaro Suzuki

    发明人： Masahiro Kimura ,  Katsufumi Oto ,  Kentarou Takagi ,  Hiroho Hirozawa ,  Masakazu Koiwa ,  Yutaro Suzuki

    IPC分类号： B01D69/12 ,  B01D69/06

    CPC分类号： B01D69/12 ,  B01D69/06 ,  B01D2313/146 ,  B01D2325/06

    摘要： To provide a separation membrane element that is able to increase the amount of permeate fluid per unit time and also able to improve stability performance, provided is a separation membrane element, comprising a separation membrane and a permeate spacer, wherein a separation functional layer is arranged on the surface of said separation membrane and a nonwoven fabric served as a substrate is arranged on the back surface of said separation membrane, wherein said permeate spacer is arranged on the back surface side of said substrate, wherein said permeate spacer is made of a different material from said separation membrane, and a projection area ratio of said permeate spacer to said separation membrane is 0.03 to 0.80.

    摘要翻译： 为了提供能够增加每单位时间的渗透液的量并且还能够提高稳定性的分离膜元件，提供了分离膜元件，其包括分离膜和渗透物间隔物，其中分离功能层被布置 在所述分离膜的表面上配置作为基材的非织造布，其特征在于，所述分离膜的背面配置有所述渗透隔离物，其中所述渗透隔离物由不同的 来自所述分离膜的材料，并且所述渗透物间隔物与所述分离膜的投影面积比为0.03至0.80。

    SEPARATION MEMBRANE ELEMENT
    2.
    发明申请
    SEPARATION MEMBRANE ELEMENT 有权
    分离膜元件

    公开(公告)号：US20140224726A1

    公开(公告)日：2014-08-14

    申请号：US13642449

    申请日：2011-06-02

    申请人： Masahiro Kimura ,  Katsufumi Oto ,  Kentarou Takagi ,  Hiroho Hirozawa ,  Masakazu Koiwa ,  Yutaro Suzuki

    发明人： Masahiro Kimura ,  Katsufumi Oto ,  Kentarou Takagi ,  Hiroho Hirozawa ,  Masakazu Koiwa ,  Yutaro Suzuki

    IPC分类号： B01D69/12

    CPC分类号： B01D69/12 ,  B01D69/06 ,  B01D2313/146 ,  B01D2325/06

    摘要： To provide a separation membrane element that is able to increase the amount of permeate fluid per unit time and also able to improve stability performance, provided is a separation membrane element, comprising a separation membrane and a permeate spacer, wherein a separation functional layer is arranged on the surface of said separation membrane and a nonwoven fabric served as a substrate is arranged on the back surface of said separation membrane, wherein said permeate spacer is arranged on the back surface side of said substrate, wherein said permeate spacer is made of a different material from said separation membrane, and a projection area ratio of said permeate spacer to said separation membrane is 0.03 to 0.80.

    摘要翻译： 为了提供能够增加每单位时间的渗透液的量并且还能够提高稳定性的分离膜元件，提供了分离膜元件，其包括分离膜和渗透物间隔物，其中分离功能层被布置 在所述分离膜的表面上配置作为基材的非织造布，其特征在于，所述分离膜的背面配置有所述渗透隔离物，其中所述渗透隔离物由不同的 来自所述分离膜的材料，并且所述渗透物间隔物与所述分离膜的投影面积比为0.03至0.80。

    COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR PRODUCING SAME
    5.
    发明申请
    COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR PRODUCING SAME 有权
    复合可切割膜及其制造方法

    公开(公告)号：US20120248027A1

    公开(公告)日：2012-10-04

    申请号：US13508704

    申请日：2010-12-16

    申请人： Takao Sasaki ,  Tomoko Mitsuhata ,  Kentaro Takagi ,  Katsufumi Oto

    发明人： Takao Sasaki ,  Tomoko Mitsuhata ,  Kentaro Takagi ,  Katsufumi Oto

    IPC分类号： B01D71/56 ,  B01D69/10 ,  C08L77/00

    CPC分类号： B01D71/56 ,  B01D65/003 ,  B01D69/12 ,  B01D2323/12 ,  B01D2325/30 ,  C02F1/44 ,  C08J7/047 ,  C08J2477/00

    摘要： A composite semipermeable membrane comprising a porous support membrane on which a separating functional polyamide layer resulting from the polycondensation reaction of polyfunctional aromatic amines with polyfunctional acid halides is formed, wherein the separating functional polyamide layer has carboxy groups, amino groups, phenolic hydroxyl groups, and azo groups, wherein XA, the ratio of the amino groups (molar equivalent of the amino groups/(molar equivalent of the azo groups+molar equivalent of the phenolic hydroxyl groups+molar equivalent of the amino groups)) on a feed water contact surface of the separating functional polyamide layer (an A surface), is in the range 0.5 or less, and XB, the ratio of the amino groups (molar equivalent of the amino groups/(molar equivalent of the azo groups+molar equivalent of the phenolic hydroxyl groups+molar equivalent of the amino groups)) on a permeate-side surface of the separating functional polyamide layer (a B surface), i.e., the opposite side to the A surface, is in the range of 0.5 to 1. The present invention provides a composite semipermeable membrane that achieves a balance between high solute removal properties and a high permeate flow rate and has high organic-solvent resistance, and a method for producing same.

    摘要翻译： 一种复合半透膜，包括多孔支撑膜，其上形成由多官能芳族胺与多官能酰卤的缩聚反应产生的分离功能聚酰胺层，其中分离官能聚酰胺层具有羧基，氨基，酚羟基和 偶氮基团，其中XA，原料水接触表面（氨基的摩尔当量/（偶氮基团的摩尔当量+酚羟基的摩尔当量+氨基的摩尔当量））的比例 的分离功能性聚酰胺层（A表面）的范围为0.5以下，XB为氨基（氨基的摩尔当量/（偶氮基的摩尔当量+酚的摩尔当量） 羟基+氨基摩尔当量））在分离功能聚酰胺层（B面）的渗透侧表面上，即相反的 在一侧的A表面，在0.5〜1的范围内。本发明提供一种复合半透膜，其在高溶质除去性和高渗透流量之间达到平衡，并且具有高的有机溶剂耐性， 用于生产。

    Membrane treatment method for semipermeable membranes
    7.
    发明授权
    Membrane treatment method for semipermeable membranes 失效
    半透膜的膜处理方法

    公开(公告)号：US4634531A

    公开(公告)日：1987-01-06

    申请号：US700331

    申请日：1985-02-12

    申请人： Yukio Nakagawa ,  Katsufumi Oto ,  Masaru Kurihara

    发明人： Yukio Nakagawa ,  Katsufumi Oto ,  Masaru Kurihara

    IPC分类号： B01D61/08 ,  B01D65/06 ,  B01D67/00 ,  B01D71/82 ,  B01D13/00

    CPC分类号： B01D67/0088

    摘要： The present invention relates to the membrane treatment method for semipermeable membranes, that is, a method wherein it is characterized that not only remarkable improving effect of selective separation performance of semipermeable membranes is obtained but also durability of said improving effect for selective separation performance is improved by means of extremely simple and easy procedures such as said semipermeable membranes are successively brought into contact with very dilute of aqueous solutions including effective substances which are individually water-soluble in due order and for a short time, where said effective water-soluble substances form water-insoluble or very little water-soluble materials thereof fixed on the surface of said semipermeable membranes.The aforesaid remarkable effect is observed especially in the case of semipermeable membranes consisted of cross-linked polymers based of furfuryl alcohol including furfuryl alcohol as an essential monomer component, and polyamides, when, at the same time, the due combination of water-soluble amines and water-soluble aldehyde is employed as said aqueous solutions including effective water-soluble substances.

    摘要翻译： 本发明涉及半透膜的膜处理方法，即其特征在于，不仅可以获得半透膜的选择性分离性能显着的提高效果，而且提高选择性分离性能的提高效果的耐久性 通过非常简单和容易的方法，例如所述半透膜连续地与非常稀的水溶液接触，所述水溶液包括有效物质，其中所述有效物质在适当顺序和短时间内分别是水溶性的，其中所述有效的水溶性物质形成 水不溶性或非常少的水溶性材料固定在所述半透膜的表面上。 观察到上述显着的效果，特别是在半透膜由包含糠醇作为必需单体组分的糠醇的交联聚合物和聚酰胺的情况下，当同时将水溶性胺 并且使用水溶性醛作为包括有效的水溶性物质的所述水溶液。

    Composite semipermeable membrane and method for producing same
    8.
    发明授权
    Composite semipermeable membrane and method for producing same 有权
    复合半透膜及其制造方法

    公开(公告)号：US08631946B2

    公开(公告)日：2014-01-21

    申请号：US13508704

    申请日：2010-12-16

    申请人： Takao Sasaki ,  Tomoko Mitsuhata ,  Kentaro Takagi ,  Katsufumi Oto

    发明人： Takao Sasaki ,  Tomoko Mitsuhata ,  Kentaro Takagi ,  Katsufumi Oto

    IPC分类号： B01D39/00 ,  B01D39/14 ,  B01D29/00 ,  B01D29/46

    CPC分类号： B01D71/56 ,  B01D65/003 ,  B01D69/12 ,  B01D2323/12 ,  B01D2325/30 ,  C02F1/44 ,  C08J7/047 ,  C08J2477/00

    摘要： A composite semipermeable membrane comprising a porous support membrane on which a separating functional polyamide layer resulting from the polycondensation reaction of polyfunctional aromatic amines with polyfunctional acid halides is formed, wherein the separating functional polyamide layer has carboxy groups, amino groups, phenolic hydroxyl groups, and azo groups, wherein XA, the ratio of the amino groups (molar equivalent of the amino groups/(molar equivalent of the azo groups+molar equivalent of the phenolic hydroxyl groups+molar equivalent of the amino groups)) on a feed water contact surface of the separating functional polyamide layer (an A surface), is in the range 0.5 or less, and XB, the ratio of the amino groups (molar equivalent of the amino groups/(molar equivalent of the azo groups+molar equivalent of the phenolic hydroxyl groups+molar equivalent of the amino groups)) on a permeate-side surface of the separating functional polyamide layer (a B surface), i.e., the opposite side to the A surface, is in the range of 0.5 to 1. The present invention provides a composite semipermeable membrane that achieves a balance between high solute removal properties and a high permeate flow rate and has high organic-solvent resistance, and a method for producing same.

    摘要翻译： 一种复合半透膜，包括多孔支撑膜，其上形成由多官能芳族胺与多官能酰卤的缩聚反应产生的分离功能聚酰胺层，其中分离官能聚酰胺层具有羧基，氨基，酚羟基和 偶氮基团，其中XA，原料水接触表面（氨基的摩尔当量/（偶氮基团的摩尔当量+酚羟基的摩尔当量+氨基的摩尔当量））的比例 的分离功能性聚酰胺层（A表面）的范围为0.5以下，XB为氨基（氨基的摩尔当量/（偶氮基的摩尔当量+酚的摩尔当量） 羟基+氨基摩尔当量））在分离功能聚酰胺层（B面）的渗透侧表面上，即相反的 在一侧的A表面，在0.5〜1的范围内。本发明提供一种复合半透膜，其在高溶质除去性和高渗透流量之间达到平衡，并且具有高的有机溶剂耐性， 用于生产。