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    • 5. 发明专利
    • Method for producing composite semi-permeable membrane
    • 生产复合渗透膜的方法
    • JP2012143750A
    • 2012-08-02
    • JP2011280898
    • 2011-12-22
    • Toray Ind Inc東レ株式会社
    • TAKAYA KIYOHIKONAKATSUJI HIROHARUTAKAGI KENTARO
    • B01D71/56B01D69/10B01D69/12C08J9/36
    • PROBLEM TO BE SOLVED: To provide a method for producing a composite semi-permeable membrane which has high water permeability and high salt removal performance and further has high acid resistance and high alkaline resistance.SOLUTION: The method for producing the composite semi-permeable membrane is characterized by performing a step A of forming a polyamide separation function layer on a porous support membrane by polycondensation reaction of a multifunctional amine with a polyfunctional acid halide compound, a step B of bringing the polyamide separation function layer into contact with a solution of pH1 or less in succession and a step C of bringing the polyamide separation function layer into contact with water of 40 to 65°C.
    • 待解决的问题:提供一种具有高透水性和高脱盐性能并且还具有高耐酸性和高耐碱性的复合半透膜的制造方法。 解决方案:复合半透膜的制造方法的特征在于,通过多官能胺与多官能酰卤化合物的缩聚反应,在多孔性支持膜上形成聚酰胺分离功能层的步骤A, B使聚酰胺分离功能层与pH1以下的溶液接触,使聚酰胺分离功能层与40〜65℃的水接触的工序C。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Separation membrane element
    • 分离膜元件
    • JP2014008430A
    • 2014-01-20
    • JP2012145159
    • 2012-06-28
    • Toray Ind Inc東レ株式会社
    • HAMADA TSUYOSHIKIMURA MASAHIROKOIWA MASAKAZUTAKAGI KENTAROHIROZAWA HIROHO
    • B01D65/02B01D63/00B01D63/10C02F1/50
    • PROBLEM TO BE SOLVED: To provide a separation membrane element which prevents deposition and growth of a microorganism in a vicinity of a bonded part between separation membranes in the separation membrane element, prevents permeated water from being contaminated by the microorganism, and also suppresses biofouling at a water feeding side even though being stored in water for a long period of time.SOLUTION: In a separation membrane element that is sealed by bonding two separation membranes or a separation membrane and a support sheet, has such a structure that one end of an inner part thereof communicates with a water collecting pipe, and conducts membrane separation treatment, an antimicrobial property is imparted to an adhesive agent.
    • 要解决的问题:提供一种分离膜元件,其防止微生物在分离膜元件中的分离膜之间的接合部附近的沉积和生长,防止渗透水被微生物污染,并且还抑制生物污损 即使长时间储存​​在水中也可以是给水侧。解决方案:在通过粘合两个分离膜或分离膜和支撑片而密封的分离膜元件中,具有这样的结构: 其内部与集水管连通,进行膜分离处理,赋予粘合剂抗菌性。
    • 10. 发明专利
    • Spiral type separation membrane element and method for producing the same
    • 螺旋型分离膜元件及其制造方法
    • JP2012139615A
    • 2012-07-26
    • JP2010292163
    • 2010-12-28
    • Toray Ind Inc東レ株式会社
    • KOIWA MASAKAZUTAKAGI KENTAROHIROZAWA HIROHOKIMURA MASAHIRO
    • B01D63/00B01D63/10B01D67/00
    • PROBLEM TO BE SOLVED: To provide a spiral type separation membrane element which needs no telescope prevention plate and is excellent in long-term stability and to provide a method for producing the same.SOLUTION: The spiral type separation membrane element is constituted by spirally winding up a stock solution passage material and a separation membrane unit which is equipped with a permeated liquid passage material in an envelope-shaped membrane formed by laminating and adhering separation membranes around a perforated water collecting pipe. The spiral type separation membrane element is characterized in that a resin 10 is arranged so that the projected area ratio of at least one side of a zonal end part between both sides of zonal end parts in the longitudinal direction of the perforated water collecting pipe at the surface of the separation membrane unit is above 0 and under 1.
    • 要解决的问题:提供不需要望远镜防止板的螺旋型分离膜元件,并且具有优异的长期稳定性并提供其制造方法。 解决方案:螺旋型分离膜元件通过螺旋地卷绕储备液通道材料和分离膜单元而构成,该分离膜单元在通过层压和粘附分离膜而形成的包封膜中具有渗透液体通道材料 穿孔集水管。 螺旋型分离膜元件的特征在于,树脂10被布置成使得多孔收集管的纵向方向上的带状端部的两侧之间的区域端部的至少一侧的投影面积比在 分离膜单元的表面高于0和低于1.版权所有(C)2012,JPO&INPIT