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1.
公开(公告)号:EP2517783A1
公开(公告)日:2012-10-31
申请号:EP10839361.2
申请日:2010-12-20
发明人: TAKAGI, Kentaro , MITSUHATA, Tomoko , SASAKI, Takao , INOUE, Takeharu , YOSHINO, Takashi , TAKAYA, Kiyohiko , SUZUKI, Yutaro
IPC分类号: B01D71/82 , B01D69/12 , B01D71/56 , C08K5/23 , C08L101/00
CPC分类号: B01D67/0093 , B01D61/025 , B01D71/56 , B01D2323/12 , B01D2323/30 , C02F1/441 , C08K5/23
摘要: Provided is a semipermeable membrane having at least a separating functional layer, wherein azo compounds are retained in the separating functional layer, and the separating functional layer has a yellow index of 10 to 40. Also provided is a method of producing the semipermeable membrane. The present invention provides a semipermeable membrane having not only high water permeability but also high rejection performance even for substances that are nondissociative in the neutral range, such as boric acid, and showing high durability and a manufacturing method therefor.
摘要翻译: 本发明提供至少具有分离功能层的半透膜,其中偶氮化合物保留在分离功能层中,分离功能层具有10至40的黄色指数。还提供了制备半透膜的方法。 本发明提供了一种半透膜,即使对于在中性范围内的非离解性物质如硼酸,并且具有高耐久性的物质及其制造方法,其透水性也具有高的排斥性能。
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公开(公告)号:EP2540385B1
公开(公告)日:2020-08-12
申请号:EP11747242.3
申请日:2011-02-17
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公开(公告)号:EP2659956A1
公开(公告)日:2013-11-06
申请号:EP11853477.5
申请日:2011-12-22
CPC分类号: B01D71/56 , B01D67/0006 , B01D67/0081 , B01D67/0093 , B01D69/02 , B01D69/10 , B01D69/125 , B01D71/40 , B01D71/64 , B01D2252/2053 , B01D2323/08 , B01D2323/30 , B01D2323/36 , B01D2325/22
摘要: Provided is a composite semipermeable membrane, comprising: a microporous support membrane which comprises a substrate and a porous support, and a polyamide separation functional layer formed on the microporous support membrane, wherein the polyamide has an irreversible heat absorption, which is measured using temperature modulated DSC, of 275 J/g or more at a temperature in the range of -20 to 150°C in the first heating process.
Provided is a high-performance composite semipermeable membrane having high chemical durability, high water permeation and high rejection.摘要翻译: 提供了一种复合半透膜,包括:微孔支撑膜,其包括基底和多孔支撑体,以及形成在微孔支撑膜上的聚酰胺分离功能层,其中聚酰胺具有不可逆热吸收,其使用温度调制 DSC在第一次加热过程中在-20至150℃范围内的温度下为275J / g或更高。 本发明提供高化学耐久性,高透水性和高拒收率的高性能复合半透膜。
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4.
公开(公告)号:EP3760301A1
公开(公告)日:2021-01-06
申请号:EP19760463.0
申请日:2019-02-28
IPC分类号: B01D69/10 , B01D69/02 , B01D71/24 , B01D71/28 , B01D71/42 , C08L51/04 , C08L55/02 , C08L101/00
摘要: The present invention relates to a composite semipermeable membrane comprising a substrate, a support layer, and a separation function layer, wherein: the support layer includes particles and a thermoplastic resin having a porous structure; the particles are present in the thermoplastic resin and contain at least one material selected from the group consisting of a diene polymer, an acrylic polymer, and an ethylenic polymer; and in a cross section of the support layer, taken in the layer thickness direction, 6 or more of the particles are present in an area which is 3 µm from the surface of the support layer in the layer thickness direction and 3 µm in the direction along which such surface extends.
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公开(公告)号:EP2517783B1
公开(公告)日:2019-10-09
申请号:EP10839361.2
申请日:2010-12-20
发明人: TAKAGI, Kentaro , MITSUHATA, Tomoko , SASAKI, Takao , INOUE, Takeharu , YOSHINO, Takashi , TAKAYA, Kiyohiko , SUZUKI, Yutaro
IPC分类号: B01D71/56 , C08K5/23 , C08L101/00 , B01D67/00 , C02F1/44
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公开(公告)号:EP2821126A1
公开(公告)日:2015-01-07
申请号:EP13754242.9
申请日:2013-02-28
CPC分类号: B01D69/125 , B01D61/025 , B01D61/027 , B01D67/0006 , B01D67/0016 , B01D69/02 , B01D69/12 , B01D71/16 , B01D71/42 , B01D71/56 , B01D71/66 , B01D71/68 , B01D2323/40 , B01D2325/24 , B01D2325/28 , C02F1/44 , C02F1/441 , C02F1/442 , C02F2103/08 , Y02A20/131
摘要: To provide a composite semipermeable membrane capable of maintaining high removal performance even after its supporting membrane has come into contact with an aqueous solution high in salt concentration. A composite semipermeable membrane including: a supporting membrane which includes a substrate and a porous supporting layer; and a separation functional layer provided on the porous supporting layer, in which a strength to peel the porous supporting layer away from the substrate is 1.1 N/25mm or higher.
摘要翻译: 本发明提供一种复合半透膜,即使在支撑膜与盐浓度高的水溶液接触后也能够维持高的除去性能。 一种复合半透膜,包括:支撑膜,其包括基底和多孔支撑层; 以及设置在所述多孔支撑层上的分离功能层,其中将所述多孔支撑层从所述基底剥离的强度为1.1N / 25mm或更高。
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公开(公告)号:EP2745919A1
公开(公告)日:2014-06-25
申请号:EP12835897.5
申请日:2012-09-24
CPC分类号: B01D69/12 , B01D67/0006 , B01D67/0083 , B01D67/0088 , B01D69/10 , B01D69/125 , B01D71/56 , B01D2323/40 , B01D2325/06 , B01D2325/14 , B01D2325/16 , B01D2325/30 , C09D177/06
摘要: There are provided a composite semipermeable membrane including a porous support membrane made of a substrate and a porous support layer and a polyamide separation-functional layer disposed on the porous support layer, wherein the zeta potential of the separation-functional layer at pH 6 is -20 mV or lower, and the zeta potential difference between potentials of the separation-functional layer at pH 10 and pH 3 is 25 mV or smaller, and a production method of a composite semipermeable membrane having high water permeability and high salt rejection performance and having high acid/alkali durability.
摘要翻译: 提供了一种复合半透膜,其包括由基底和多孔支撑层制成的多孔支撑膜和设置在多孔支撑层上的聚酰胺分离功能层,其中分离功能层在pH 6时的ζ电位为 - 20mV或更低,并且分离功能层在pH10和pH3下的电位之间的ζ电位差为25mV或更小,以及具有高透水性和高耐盐析性能的复合半透膜的制备方法,并具有 耐酸/耐碱性高。
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8.
公开(公告)号:EP2540385A1
公开(公告)日:2013-01-02
申请号:EP11747242.3
申请日:2011-02-17
发明人: OGAWA, Takafumi , TOMIOKA, Hiroki , KIMURA, Masahiro , HIGASHI, Masaki , TAKAYA, Kiyohiko , KOIWA, Masakazu
CPC分类号: B01D71/56 , B01D67/0093 , B01D69/02 , B01D69/10 , B01D69/12 , B01D69/125 , B01D2325/06 , C08G69/26 , C08G69/28
摘要: Provided is a composite semipermeable membrane having a polyamide separation-functional layer on a porous support layer, wherein the polyamide separation-functional layer has a yellow index of 10 to 40, and the actual length of the polyamide separation-functional layer per 1 µm-length of the porous support layer is from 2 µm to 5 µm, or a composite semipermeable membrane having on a porous support layer a polyamide separation-functional layer prepared by polycondensation of polyfunctional amines with polyfunctional acid halides, wherein the polyamide separation-functional layer is formed by the steps of (A) interfacial polycondensation in which polyfunctional amines and polyfunctional acid halides are brought into contact at 40°C to 70°C and subsequent (B) heat treatment at 70°C to 150°C. The composite semipermeable membrane according to the present invention has high boron removal performance and high water permeation performance.
摘要翻译: 本发明提供一种在多孔质支撑层上具有聚酰胺分离功能层的复合半透膜,其中,聚酰胺分离功能层的黄色指数为10〜40,聚酰胺分离功能层的实际长度为1μm〜 多孔性支撑层的长度为2μm〜5μm的复合半透膜或在多孔性支撑层上具有多官能胺与多官能酰卤缩聚而成的聚酰胺分离功能层的复合半透膜,其中,聚酰胺分离功能层为 (A)多官能胺与多官能酰卤在40℃〜70℃下接触,接着(B)在70℃〜150℃下进行热处理的界面缩聚的工序。 根据本发明的复合半透膜具有高除硼性能和高透水性能。
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