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    • 2. 发明申请
    • COMPOSITE SEMIPERMEABLE MEMBRANE
    • 复合可切片膜
    • US20130032530A1
    • 2013-02-07
    • US13579138
    • 2011-03-28
    • Hiroki MineharaKoji Nakatsuji
    • Hiroki MineharaKoji Nakatsuji
    • B01D71/70B01D71/68
    • B01D71/70B01D65/022B01D67/0006B01D67/0027B01D69/12B01D71/78B01D71/82B01D2321/16B01D2321/343B01D2325/14C08G77/26C08L83/08Y02A20/131
    • Disclosed is a composite semipermeable membrane, which comprises a separation functional layer on a microporous support, and in which the separation functional layer is made of a condensation product of a polymer that has acidic groups and a trialkoxysilane groups having an imidazolium structure in side chains. The composite semipermeable membrane has excellent selective separation performance for divalent ions over monovalent ions, while exhibiting excellent long-term durability. Also disclosed is a method for producing the composite semipermeable membrane. The composite semipermeable membrane is suitable for uses in various water treatment fields such as the desalination of seawater and the production of drinking water. In addition, the composite semipermeable membrane does not deteriorate as much as conventional composite semipermeable membrane even in cases where the membrane is sterilized by having chlorine-containing raw water permeate therethrough continuously or intermittently.
    • 公开了一种复合半透膜,其包含在微孔载体上的分离功能层,其中分离功能层由具有酸性基团的聚合物和侧链上具有咪唑结构的三烷氧基硅烷基团的缩合产物制成。 复合半透膜相对于一价离子具有优异的二价离子选择性分离性能,同时具有优异的长期耐久性。 还公开了一种复合半透膜的制造方法。 复合半透膜适用于各种水处理领域,如海水淡化和饮用水生产。 此外,即使在通过使含有含氯原水的渗透通过其连续地或间歇地进行灭菌的情况下,复合半透膜也不会劣化常规的复合半透膜。
    • 9. 发明授权
    • Composite semipermeable membrane
    • 复合半透膜
    • US08672143B2
    • 2014-03-18
    • US13579138
    • 2011-03-28
    • Hiroki MineharaKoji Nakatsuji
    • Hiroki MineharaKoji Nakatsuji
    • B01D71/06B01D39/00B01D39/14B01D29/46B01D67/00B05D5/00B01D71/70
    • B01D71/70B01D65/022B01D67/0006B01D67/0027B01D69/12B01D71/78B01D71/82B01D2321/16B01D2321/343B01D2325/14C08G77/26C08L83/08Y02A20/131
    • Disclosed is a composite semipermeable membrane, which comprises a separation functional layer on a microporous support, and in which the separation functional layer is made of a condensation product of a polymer that has acidic groups and a trialkoxysilane groups having an imidazolium structure in side chains. The composite semipermeable membrane has excellent selective separation performance for divalent ions over monovalent ions, while exhibiting excellent long-term durability. Also disclosed is a method for producing the composite semipermeable membrane. The composite semipermeable membrane is suitable for uses in various water treatment fields such as the desalination of seawater and the production of drinking water. In addition, the composite semipermeable membrane does not deteriorate as much as conventional composite semipermeable membrane even in cases where the membrane is sterilized by having chlorine-containing raw water permeate therethrough continuously or intermittently.
    • 公开了一种复合半透膜,其包含在微孔载体上的分离功能层,其中分离功能层由具有酸性基团的聚合物和侧链上具有咪唑结构的三烷氧基硅烷基团的缩合产物制成。 复合半透膜相对于一价离子具有优异的二价离子选择性分离性能,同时具有优异的长期耐久性。 还公开了一种复合半透膜的制造方法。 复合半透膜适用于各种水处理领域,如海水淡化和饮用水生产。 此外,即使在通过使含有含氯原水的渗透通过其连续地或间歇地进行灭菌的情况下,复合半透膜也不会劣化常规的复合半透膜。
    • 10. 发明申请
    • COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME
    • 复合可切割膜及其制造方法
    • US20130313186A1
    • 2013-11-28
    • US13882910
    • 2011-12-05
    • Hiroki MineharaKoji NakatsujiHiroki Tomioka
    • Hiroki MineharaKoji NakatsujiHiroki Tomioka
    • B01D71/70
    • B01D71/70B01D67/0006B01D69/02B01D69/12B01D69/125B01D71/26B01D2323/345B01D2323/40B01D2325/14B01D2325/24
    • Provided is a composite semipermeable membrane comprising a microporous support membrane and a separation functional layer formed thereon, wherein the separation functional layer is formed from Compound (A) in which a reactive group(s) having an ethylenically unsaturated group and a hydrolyzable group(s) are bonded directly to a silicon atom, Compound (B) having an ethylenically unsaturated group, the Compound (B) being different from said Compound (A), and Compound (C) having an ethylenically unsaturated group, the Compound (C) being different from said Compound (A) and (B), by condensation of hydrolyzable groups that the Compound (A) has and polymerization of ethylenically unsaturated groups that the Compound (A), the Compound (B), and the Compound (C) have, and the Compound (A), the Compound (B), and the Compound (C) satisfy the relationship of the following equation (I): |QA−QC|+|QB−QC|=|QA−QB|  (I) (QX represents an Alfrey-Price Q value of Compound X).A composite semipermeable membrane having excellent chemical resistivity to chemicals represented by chlorine, separation performance, and water permeability can be provided.
    • 本发明提供一种复合半透膜,其包含微孔载体膜和形成在其上的分离功能层,其中分离功能层由化合物(A)形成,其中具有烯属不饱和基团的反应性基团和可水解基团 )直接键合到硅原子上,具有烯键式不饱和基团的化合物(B),化合物(B)与所述化合物(A)不同,和具有烯键式不饱和基团的化合物(C),化合物(C) 与所述化合物(A)和(B)不同,通过化合物(A)与化合物(A),化合物(B)和化合物(C)具有的烯属不饱和基团的聚合反应的可水解基团的缩合 化合物(A),化合物(B)和化合物(C)满足下式(I)的关系:| QA-QC | + | QB-QC | = | QA-QB |(I )(QX表示化合物X的Alfrey-Price Q值)。 可以提供对由氯表示的化学物质具有优异的化学电阻率的复合半透膜,分离性能和透水性。