DE69212046T2 - Dialyse Modul mit selektiv-durchlässiger Polysulfon-Hohlfasermembran und Verfahren zur Herstellung - Google Patents

Dialyse Modul mit selektiv-durchlässiger Polysulfon-Hohlfasermembran und Verfahren zur Herstellung

Info

Publication number
DE69212046T2
DE69212046T2 DE69212046T DE69212046T DE69212046T2 DE 69212046 T2 DE69212046 T2 DE 69212046T2 DE 69212046 T DE69212046 T DE 69212046T DE 69212046 T DE69212046 T DE 69212046T DE 69212046 T2 DE69212046 T2 DE 69212046T2
Authority
DE
Germany
Prior art keywords
manufacture
hollow fiber
fiber membrane
selectively permeable
polysulfone hollow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69212046T
Other languages
English (en)
Other versions
DE69212046D1 (de
DE69212046T3 (de
Inventor
Takuichi Kobayashi
Kazumi Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=13267459&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69212046(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of DE69212046D1 publication Critical patent/DE69212046D1/de
Application granted granted Critical
Publication of DE69212046T2 publication Critical patent/DE69212046T2/de
Publication of DE69212046T3 publication Critical patent/DE69212046T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof
    • B01D63/0233—Manufacturing thereof forming the bundle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B01D65/022—Membrane sterilisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/34—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling by radiation
    • B01D2321/346—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling by radiation by gamma radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/34—Use of radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249955—Void-containing component partially impregnated with adjacent component
    • Y10T428/249958—Void-containing component is synthetic resin or natural rubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular
DE69212046T 1991-03-28 1992-03-27 Dialyse Modul mit selektiv-durchlässiger Polysulfon-Hohlfasermembran und Verfahren zur Herstellung Expired - Lifetime DE69212046T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03064760A JP3097149B2 (ja) 1991-03-28 1991-03-28 医療透析用モジュールおよびその製造方法

Publications (3)

Publication Number Publication Date
DE69212046D1 DE69212046D1 (de) 1996-08-14
DE69212046T2 true DE69212046T2 (de) 1996-12-05
DE69212046T3 DE69212046T3 (de) 2000-11-16

Family

ID=13267459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69212046T Expired - Lifetime DE69212046T3 (de) 1991-03-28 1992-03-27 Dialyse Modul mit selektiv-durchlässiger Polysulfon-Hohlfasermembran und Verfahren zur Herstellung

Country Status (7)

Country Link
US (1) US5436068A (de)
EP (1) EP0509663B2 (de)
JP (1) JP3097149B2 (de)
KR (1) KR100231908B1 (de)
CA (1) CA2064301C (de)
DE (1) DE69212046T3 (de)
ES (1) ES2092027T5 (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0550798A1 (de) * 1991-10-04 1993-07-14 Kawasumi Laboratories, Inc. Hohlfasermembran auf Basis von Polysulfon
DE4339810C1 (de) * 1993-11-23 1994-12-08 Seitz Filter Werke Verfahren zur partiellen Modifizierung von porösen, hydrophilen Filtermembranen, nachbehandelte Filtermembranen und mit ihnen bestückte Filtrationsmodule, insbesondere Filterkerzen
JP3714686B2 (ja) * 1994-04-27 2005-11-09 旭化成メディカル株式会社 ポリスルホン系中空糸膜及びその製造方法
EP0764461B1 (de) 1994-06-07 2002-08-28 Mitsubishi Rayon Co., Ltd. Poröse polysulfonmembrane und verfahren zu deren herstellung
ES2181852T5 (es) * 1995-06-30 2020-04-29 Toray Industries Membranas de permeabilidad selectiva y procedimientos para su obtención
ES2237760T3 (es) * 1995-06-30 2005-08-01 Toray Industries, Inc. Procedimiento de fabricacion de una membrana semipermeable de fibras huecas de polisulfona.
US6355730B1 (en) 1995-06-30 2002-03-12 Toray Industries, Inc. Permselective membranes and methods for their production
US6042783A (en) * 1996-03-21 2000-03-28 Kaneka Corporation Hollow yarn membrane used for blood purification and blood purifier
JPH09253463A (ja) * 1996-03-22 1997-09-30 Nok Corp ポリスルホン系限外濾過膜の製造方法
DE19633177A1 (de) * 1996-08-17 1998-02-19 Mann & Hummel Filter Flüssigkeitsfilterelement
WO1998052683A1 (fr) 1997-05-19 1998-11-26 Asahi Medical Co., Ltd. Membrane hemocathartique en fibres creuses a base de polysulfone et ses procedes de production
US7144505B2 (en) * 1997-09-18 2006-12-05 Baxter International Inc. Melt-spun polysulfone semipermeable membranes and methods for making the same
US6218441B1 (en) 1997-09-18 2001-04-17 Timothy B. Meluch Melt-spun polysulfone semipermeable membranes and methods for making the same
KR100289413B1 (ko) * 1997-12-30 2001-05-02 구광시 폴리설폰계 중공사 막 및 그의 제조 방법
CN1298397C (zh) * 1998-11-09 2007-02-07 旭化成医疗株式会社 血液净化器
US6537614B1 (en) 1998-12-18 2003-03-25 Kimberly-Clark Worldwide, Inc. Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist
US6274041B1 (en) 1998-12-18 2001-08-14 Kimberly-Clark Worldwide, Inc. Integrated filter combining physical adsorption and electrokinetic adsorption
ES2236027T3 (es) * 1999-12-17 2005-07-16 Millipore Corporation Encapsulado de fibras huecas enrolladas en espiral.
JP4211168B2 (ja) 1999-12-21 2009-01-21 東レ株式会社 透析器の製造方法および滅菌法
US6645388B2 (en) 1999-12-22 2003-11-11 Kimberly-Clark Corporation Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same
JP2002030125A (ja) * 2000-04-17 2002-01-31 Asahi Medical Co Ltd 新規親水化芳香族高分子
JP2002143298A (ja) * 2000-11-16 2002-05-21 Toray Ind Inc 血液処理器
KR100434564B1 (ko) * 2001-01-12 2004-06-05 주식회사 코오롱 증기에 대한 내구성이 우수한 폴리설폰계 중공사 막 및 그의 제조방법
JP4989843B2 (ja) * 2001-07-20 2012-08-01 マクマスター ユニヴァーシティ 非対称性ゲル充填微多孔質膜
KR100426183B1 (ko) * 2001-11-27 2004-04-06 주식회사 코레드 미세 다공성 폴리에테르술폰막 제조용 조성물 및 그를 이용한 미세 다공성 막의 제조방법
WO2003092873A1 (en) * 2002-05-03 2003-11-13 Pall Corporation Blended polymer membrane media for treating aqueous fluids
JP2004290670A (ja) * 2003-03-12 2004-10-21 Toray Ind Inc 中空糸型液体処理装置およびその製造方法
TWI406703B (zh) 2003-11-17 2013-09-01 Asahi Kasei Medical Co Ltd Purify blood with hollow fiber membrane and use its blood purifier
DE102004008220B4 (de) * 2004-02-19 2006-01-12 Membrana Gmbh High-Flux Dialysemembran mit verbessertem Trennverhalten
US7604746B2 (en) * 2004-04-27 2009-10-20 Mcmaster University Pervaporation composite membranes
BRPI0514312B8 (pt) * 2004-08-10 2021-07-27 Nipro Corp módulo de membrana de fibra oca e processo para a fabricação de um módulo de membrana de fibra oca
JP4885437B2 (ja) * 2004-10-15 2012-02-29 東洋紡績株式会社 血液浄化器および血液浄化器包装体
JP4731875B2 (ja) 2004-10-15 2011-07-27 東洋紡績株式会社 血液浄化器の滅菌方法および血液浄化器包装体
US9067178B2 (en) * 2004-12-22 2015-06-30 Nipro Corporation Blood purifier package and process for manufacturing the same
JP5011722B2 (ja) * 2004-12-24 2012-08-29 東レ株式会社 医療用分離膜の製造方法およびその医療用分離膜を用いた医療用分離膜モジュールの製造方法
KR101389300B1 (ko) * 2005-02-14 2014-04-25 존슨 앤드 존슨 비젼 케어, 인코포레이티드 안과용 렌즈의 제조방법, 안과용 장치 및 콘택트 렌즈
JP4992104B2 (ja) * 2005-03-29 2012-08-08 旭化成メディカル株式会社 血液濾過または血液濾過透析用のモジュール
JP3772909B1 (ja) * 2005-04-04 2006-05-10 東洋紡績株式会社 血液浄化器
JP4876431B2 (ja) * 2005-04-14 2012-02-15 東洋紡績株式会社 中空糸型血液浄化膜への表面改質剤コーティング方法、表面改質剤コート中空糸型血液浄化膜および表面改質剤コート中空糸型血液浄化器
AU2006261581B2 (en) * 2005-06-20 2012-03-15 Evoqua Water Technologies Llc Cross linking treatment of polymer membranes
CN101203554A (zh) * 2005-06-20 2008-06-18 西门子水技术公司 聚合物膜的交联处理
US9052529B2 (en) 2006-02-10 2015-06-09 Johnson & Johnson Vision Care, Inc. Comfortable ophthalmic device and methods of its production
ATE510886T1 (de) 2007-09-06 2011-06-15 Basf Se Blends aus verzweigten polyarylethern und hydrophilen polymeren
ES2394841T5 (es) 2007-12-06 2021-10-29 Asahi Kasei Medical Co Ltd Membrana de fibras huecas porosa para el tratamiento de la sangre
DE102008000220A1 (de) 2008-02-01 2009-08-13 ASCALON Gesellschaft für Innovation in der Medizintechnik m.b.H. Hohlfaser-Separationsmembranen und Verfahren zu ihrer Herstellung
EP2335814B1 (de) * 2008-09-26 2016-12-28 Asahi Kasei Kabushiki Kaisha Verwendung einer porösen hohlfasermembran zur herstellung eines klaren mediums für biomedizinische kulturen
JP2010223576A (ja) * 2009-02-26 2010-10-07 Toray Ind Inc 中空糸膜型熱交換器
JP5857407B2 (ja) * 2010-01-29 2016-02-10 東レ株式会社 中空糸膜および中空糸膜の製造方法
CN102781998B (zh) * 2010-03-09 2016-02-03 聚合物华润有限公司 用于膜的含有一种或多种聚硅氧烷嵌段的聚氨酯嵌段共聚物
CA2823013C (en) 2010-12-28 2016-09-20 Toray Industries, Inc. Medical material and hollow fiber membrane module
EP2559723B1 (de) 2011-08-17 2018-01-24 Gambro Lundia AB Verfahren zur Herstellung von Pfropfcopolymeren und einer porösen Membran
US9868834B2 (en) 2012-09-14 2018-01-16 Evoqua Water Technologies Llc Polymer blend for membranes
JP6155908B2 (ja) * 2013-07-03 2017-07-05 東レ株式会社 中空糸膜の製造方法
US10265663B2 (en) 2013-09-09 2019-04-23 Basf Se Polyarylene ether sulfone-polymers for membrane applications
CN103706266B (zh) * 2013-12-12 2016-01-27 四川大学 原位聚合微交联聚乙烯吡咯烷酮改性聚醚砜中空纤维膜及其制备方法和用途
DE112015003421T5 (de) * 2014-07-25 2017-06-01 Cummins Filtration Ip, Inc. Filterelement mit vielfältigen Filtermedienpaketmerkmalen
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1538810A (en) * 1976-08-10 1979-01-24 Sumitomo Electric Industries Hydrophilic porous fluorocarbon structures and process for their production
CA1168007A (en) * 1982-02-10 1984-05-29 Thomas A. Tweddle Method of gelling cast, polysulfone membranes
JPS6238205A (ja) * 1985-08-12 1987-02-19 Daicel Chem Ind Ltd 分離用半透膜
NL8602402A (nl) * 1986-09-23 1988-04-18 X Flow Bv Werkwijze voor de vervaardiging van hydrofiele membranen en dergelijke membranen.
US4900449A (en) * 1987-05-20 1990-02-13 Gelman Sciences Filtration membranes and method of making the same
JPH01299610A (ja) * 1988-05-28 1989-12-04 Nikkiso Co Ltd 半透膜およびその製造方法
US4876289A (en) * 1988-07-01 1989-10-24 Mitsubishi Rayon Co., Ltd. Hydrophilized porous membrane and production process thereof
DE4007383C2 (de) * 1990-03-08 1998-10-29 Seitz Filter Werke Herstellung von hydrophilen Mikrofiltrationsmembranen aus Polysulfonen
US5104729A (en) * 1990-08-20 1992-04-14 Monsanto Company Process for surface modifying a support membrane and product produced
US5160627A (en) * 1990-10-17 1992-11-03 Hoechst Celanese Corporation Process for making microporous membranes having gel-filled pores, and separations methods using such membranes

Also Published As

Publication number Publication date
KR920017704A (ko) 1992-10-21
CA2064301C (en) 2003-01-07
CA2064301A1 (en) 1992-09-29
KR100231908B1 (ko) 1999-12-01
DE69212046D1 (de) 1996-08-14
EP0509663A1 (de) 1992-10-21
DE69212046T3 (de) 2000-11-16
US5436068A (en) 1995-07-25
EP0509663B1 (de) 1996-07-10
ES2092027T3 (es) 1996-11-16
JP3097149B2 (ja) 2000-10-10
JPH04300636A (ja) 1992-10-23
ES2092027T5 (es) 2000-11-01
EP0509663B2 (de) 2000-06-28

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