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公开(公告)号：AU2011219151A1
公开(公告)日：2012-08-30
申请号：AU2011219151
申请日：2011-02-17
Applicant: TORAY INDUSTRIES
Inventor： OGAWA TAKAFUMI , TOMIOKA HIROKI , KIMURA MASAHIRO , HIGASHI MASAKI , TAKAYA KIYOHIKO , KOIWA MASAKAZU
Abstract: Disclosed is: a composite semipermeable membrane comprising a polyamide separation functional layer arranged on a microporous support film, wherein the polyamide separation functional layer has a degree of yellow ting of 10 to 40 inclusive and the actual length of the polyamide separation functional layer per 1 μm of the microporous support film is 2 to 5 μm inclusive; or a composite semipermeable membrane comprising a polyamide separation functional layer arranged on a microporous support film and produced by the polycondensation of a polyfunctional amine with a polyfunctional acid halide, wherein the polyamide separation functional layer is produced through the steps of (A) an interfacial polycondensation step of bringing the polyfunctional amine into contact with the polyfunctional acid halide at 40 to 70˚C and (B) a step of a heating treatment at 70 to 150˚C. The composite semipermeable membrane has high boron removal performance and high water permeability.
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公开(公告)号：CL2012002255A1
公开(公告)日：2013-01-11
申请号：CL2012002255
申请日：2012-08-16
Applicant: TORAY INDUSTRIES
Inventor： OGAWA TAKAFUMI , TOMIOKA HIROKI , KIMURA MASAHIRO , HIGASHI MASAKI , KOIWA MASAKAZU , TAKAYA KIYOHIKO
Abstract: Membrana semipermeable compuesta con una capa funcional de separación compuesta de poliamida en una capa de soporte poroso en que dicha capa de poliamida tiene un índice de amarillo de 10 a 40, y el largo real de la capa funcional de separación compuesta de poliamida por cada 1 um de largo de la capa de soporte poroso es de 2 a 5 um; y método de producción de dicha membrana.
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公开(公告)号：SG183398A1
公开(公告)日：2012-09-27
申请号：SG2012061404
申请日：2011-02-17
Applicant: TORAY INDUSTRIES
Inventor： OGAWA TAKAFUMI , TOMIOKA HIROKI , KIMURA MASAHIRO , HIGASHI MASAKI , TAKAYA KIYOHIKO , KOIWA MASAKAZU
Abstract: 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 1,tm to 5 um, or a composite semipermeable membrane having on a porous support layer a polyamide separation-functional layer prepared by polycondensat on 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 presentinvention has high boron removal performance and high water permeation performance.
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公开(公告)号：SG187809A1
公开(公告)日：2013-03-28
申请号：SG2013010285
申请日：2011-08-03
Applicant: TORAY INDUSTRIES
Inventor： OGAWA TAKAFUMI , KIMURA MASAHIRO , SASAKI TAKAO
Abstract: The present invention has an object to provide a separation membrane element which has a low content of extractable components and has high boron 5 removing performance and high water permeability, and relates to a separation membrane element including a composite semipermeable membrane which includes a microporous support and a polyamide separation function layer disposed thereon, the microporous support including a substrate and a porous supporting layer, in which the polyamide separation function layer has a yellowness of 10 to 40, and a concentration of 10 substances extracted from the substrate is 1.0x10-3% by weight or less.
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公开(公告)号：AU2011290275A1
公开(公告)日：2013-03-07
申请号：AU2011290275
申请日：2011-08-03
Applicant: TORAY INDUSTRIES
Inventor： OGAWA TAKAFUMI , KIMURA MASAHIRO , SASAKI TAKAO
Abstract: The purpose of the present invention is to provide a separation membrane element which has high boron removal performance and high water permeation performance, while being reduced in elution. Specifically provided is a separation membrane element which comprises a polyamide separation function layer on a microporous supporting body that is composed of a base and a porous supporting layer. The degree of yellowing of the polyamide separation function layer is 10-40 (inclusive), and the concentration of material eluted from the base is 1.0 × 10
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Patent Agency Ranking6.发明公开
公开(公告)号：EP2695670A4
公开(公告)日：2015-05-27
申请号：EP12768506
申请日：2012-03-28
Applicant: TORAY INDUSTRIES
Inventor： NAKATSUJI KOJI , KIMURA MASAHIRO , SASAKI TAKAO , OGAWA TAKAFUMI
CPC classification number: B01D71/56 , B01D63/10 , B01D69/10 , B01D69/12 , B01D69/125 , B01D2323/12 , B01D2325/04 , B01D2325/30
Abstract: A composite semipermeable membrane in which a polyamide separation functional layer is formed on a porous support membrane comprising a substrate and a porous support, wherein the standard deviation of the membrane thickness of the separation functional layer is 2.00 nm or less. A high-performing composite semipermeable membrane that has high water permeability and high chemical resistance is provided.
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公开(公告)号：EP3238815A4
公开(公告)日：2018-06-27
申请号：EP15873349
申请日：2015-12-25
Applicant: TORAY INDUSTRIES
Inventor： TANAKA HIROAKI , SATO KAZUKI , OGAWA TAKAFUMI , SASAKI TAKAO
CPC classification number: B01D71/56 , B01D61/02 , B01D61/14 , B01D67/0093 , B01D69/10 , B01D69/12 , B01D69/125 , B01D2325/30 , C08G69/26 , C08G69/46
Abstract: The present invention relates to a composite semipermeable membrane which is excellent in terms of oxidation resistance and acid resistance while retaining water permeability. The present invention relates to a composite semipermeable membrane including a supporting membrane and a separation functional layer disposed on the supporting membrane, in which the separation functional layer comprises an aromatic polyamide, the aromatic polyamide has side chains and terminal groups, at least one of the side chains and terminal groups of the aromatic polyamide being an amino group, at least one of the side chains and terminal groups of the aromatic polyamide is a substituent having a structure represented by formula (1): -NXY or formula (2): - NXYZ, and in the aromatic polyamide, a content A of substituents having structures represented by formula (1) and formula (2) and a content B of amide groups satisfy 0.005‰¤A/B‰¤0.15, provided that, in formula (1) and formula (2), N is a nitrogen atom, and at least one selected from X, Y, and Z is any of O, OH, a benzenesulfonyl group, a methanesulfonyl group, a dimethylsulfonyl group, a p-toluenesulfonyl group and an o-nitrobenzenesulfonyl group, the remainder of the X, Y, and Z being a hydrogen atom.
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公开(公告)号：EP3162431A4
公开(公告)日：2018-02-28
申请号：EP15814557
申请日：2015-06-30
Applicant: TORAY INDUSTRIES
Inventor： OGAWA TAKAFUMI , SHIMURA HARUTOKI , FURUNO SHUJI , TAKAYA KIYOHIKO , SASAKI TAKAO , KIMURA MASAHIRO
IPC: B01D71/56 , B01D61/02 , B01D67/00 , B01D69/00 , B01D69/10 , B01D69/12 , B32B27/34 , C08G69/00 , C08G69/02 , C08G69/26 , C08G69/28 , C08G69/32 , C08J5/18
CPC classification number: B01D71/56 , B01D61/02 , B01D67/0006 , B01D67/0088 , B01D69/00 , B01D69/10 , B01D69/12 , B01D69/125 , B01D2323/08 , B01D2323/12 , B01D2323/30 , B01D2325/06 , B01D2325/30 , B32B3/28 , B32B5/022 , B32B27/34 , C08G69/00 , C08G69/02 , C08G69/26 , C08G69/28 , C08G69/32 , C08J5/18
Abstract: An object of the present invention is to provide a composite semipermeable membrane which has practical water permeability and removing properties and has a high boron removal ratio even after contact with chlorine. A composite semipermeable membrane of the present invention is a composite semipermeable membrane including a substrate, a porous supporting layer and a separation functional layer, which are superposed in this order, in which the separation functional layer includes a crosslinked fully aromatic polyamide, and the crosslinked fully aromatic polyamide has a molar ratio (amide group content) between a total molar proportion of a polyfunctional amine and a polyfunctional aromatic halide and a molar proportion of an amide group of 0.86-1.20.
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公开(公告)号：EP3162431A1
公开(公告)日：2017-05-03
申请号：EP15814557
申请日：2015-06-30
Applicant: TORAY INDUSTRIES
Inventor： OGAWA TAKAFUMI , SHIMURA HARUTOKI , FURUNO SHUJI , TAKAYA KIYOHIKO , SASAKI TAKAO , KIMURA MASAHIRO
CPC classification number: B01D71/56 , B01D61/02 , B01D67/0006 , B01D67/0088 , B01D69/00 , B01D69/10 , B01D69/12 , B01D69/125 , B01D2323/08 , B01D2323/12 , B01D2323/30 , B01D2325/06 , B01D2325/30 , B32B3/28 , B32B5/022 , B32B27/34 , C08G69/00 , C08G69/02 , C08G69/26 , C08G69/28 , C08G69/32 , C08J5/18
Abstract: An object of the present invention is to provide a composite semipermeable membrane which has practical water permeability and removing properties and has a high boron removal ratio even after contact with chlorine. A composite semipermeable membrane of the present invention is a composite semipermeable membrane including a substrate, a porous supporting layer and a separation functional layer, which are superposed in this order, in which the separation functional layer includes a crosslinked fully aromatic polyamide, and the crosslinked fully aromatic polyamide has a molar ratio (amide group content) between a total molar proportion of a polyfunctional amine and a polyfunctional aromatic halide and a molar proportion of an amide group of 0.86-1.20.
Abstract translation: 本发明的目的在于提供一种复合半透膜，其具有实用的透水性和除去性，即使与氯接触后也具有高硼除去率。 本发明的复合半透膜是包括基材，多孔支撑层和分离功能层的复合半透膜，其依次叠置，其中分离功能层包含交联的全芳香族聚酰胺，并且交联的 全芳香族聚酰胺的多官能胺与多官能芳香族卤化物的总摩尔比例和酰胺基团的摩尔比例为0.86〜1.20的摩尔比（酰胺基含量）。
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公开(公告)号：EP3225299A4
公开(公告)日：2018-07-04
申请号：EP15863061
申请日：2015-11-27
Applicant: TORAY INDUSTRIES
Inventor： TOKUYAMA TAKAHIRO , TOMIOKA HIROKI , OGAWA TAKAFUMI , SUZUKI YUTARO
CPC classification number: B01D71/70 , B01D69/02 , B01D69/10 , B01D69/12 , B01D71/16 , B01D71/56 , B01D2325/022 , B01D2325/04 , B01D2325/30 , C02F1/44 , C02F2101/12 , C08F230/08
Abstract: The present invention provides a semipermeable membrane which has resistance to oxidizing agents even in the presence of heavy metals and which, despite this, can have salt-removing performance equal to that of semipermeable membranes having poor resistance to oxidizing agents. A coated semipermeable membrane of the invention includes a semipermeable layer and a polymer layer formed on the semipermeable layer, and the polymer layer includes a polymerization product formed by both condensation of hydrolyzable groups possessed by the following compound (A) and polymerization of the compound (A) with the following compound (B): (A) a silicon compound having a silicon atom, a reactive group including an ethylenically unsaturated group directly bonded to the silicon atom, and a hydrolyzable group directly bonded to the silicon atom; and (B) a compound other than the compound (A), which has both a hydrophilic group and an ethylenically unsaturated group.
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