DE68919324D1 - Verfahren zur Herstellung von isotropen mikroporösen Polysulfonmembranen. - Google Patents

Verfahren zur Herstellung von isotropen mikroporösen Polysulfonmembranen.

Info

Publication number
DE68919324D1
DE68919324D1 DE68919324T DE68919324T DE68919324D1 DE 68919324 D1 DE68919324 D1 DE 68919324D1 DE 68919324 T DE68919324 T DE 68919324T DE 68919324 T DE68919324 T DE 68919324T DE 68919324 D1 DE68919324 D1 DE 68919324D1
Authority
DE
Germany
Prior art keywords
production
polysulfone membranes
microporous polysulfone
isotropic microporous
isotropic
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 - Fee Related
Application number
DE68919324T
Other languages
English (en)
Other versions
DE68919324T2 (de
Inventor
Ann L Ly
Chaokang Chu
Thanh D Nguyen
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.)
Circe Biomedical Inc
Original Assignee
WR Grace and Co
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
Application filed by WR Grace and Co filed Critical WR Grace and Co
Application granted granted Critical
Publication of DE68919324D1 publication Critical patent/DE68919324D1/de
Publication of DE68919324T2 publication Critical patent/DE68919324T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat 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
    • B01D69/08—Hollow fibre membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Artificial Filaments (AREA)
  • External Artificial Organs (AREA)
DE68919324T 1988-09-23 1989-09-14 Verfahren zur Herstellung von isotropen mikroporösen Polysulfonmembranen. Expired - Fee Related DE68919324T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/248,880 US4970034A (en) 1988-09-23 1988-09-23 Process for preparing isotropic microporous polysulfone membranes

Publications (2)

Publication Number Publication Date
DE68919324D1 true DE68919324D1 (de) 1994-12-15
DE68919324T2 DE68919324T2 (de) 1995-03-23

Family

ID=22941077

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68919324T Expired - Fee Related DE68919324T2 (de) 1988-09-23 1989-09-14 Verfahren zur Herstellung von isotropen mikroporösen Polysulfonmembranen.

Country Status (4)

Country Link
US (1) US4970034A (de)
EP (1) EP0362588B1 (de)
JP (1) JPH02151636A (de)
DE (1) DE68919324T2 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104640A (en) * 1989-03-17 1992-04-14 Wescor, Inc. Fixative composition for fixing blood smears to slides
US5236644A (en) * 1990-11-27 1993-08-17 W. R. Grace & Co.-Conn. Process of making membrane for removal of low density lipoprotein-cholesterol from whole blood
DE4037818A1 (de) * 1990-11-28 1992-06-04 Akzo Gmbh Kapillarmembran fuer die gastrennung
US5096585A (en) * 1991-01-28 1992-03-17 W. R. Grace & Co.-Conn. Process for preparing protein non-adsorptive microporous polysulfone membranes
US5151227A (en) * 1991-03-18 1992-09-29 W. R. Grace & Co.-Conn. Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium
US5340480A (en) * 1992-04-29 1994-08-23 Kuraray Co., Ltd. Polysulfone-based hollow fiber membrane and process for manufacturing the same
US5232601A (en) * 1992-05-29 1993-08-03 W. R. Grace & Co.-Conn. High flux hollow fiber membrane
US5431817A (en) * 1993-09-13 1995-07-11 W. R. Grace & Co.-Conn. Bleach resistant polysulfone/polyurethane composite membranes
ATE211944T1 (de) * 1995-06-06 2002-02-15 Water Res Commission Verfahren zur herstellung einer hohlfasermembran
US5693694A (en) * 1996-03-20 1997-12-02 W.R. Grace & Co.-Conn. Low and medium flux membranes
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
EP1144097B1 (de) * 1999-01-29 2007-10-24 Entegris, Inc. Verfahren zur herstellung von mikroporösen hohlfasermembranen aus perfluorierten thermoplastischen polymeren
NL1016779C2 (nl) 2000-12-02 2002-06-04 Cornelis Johannes Maria V Rijn Matrijs, werkwijze voor het vervaardigen van precisieproducten met behulp van een matrijs, alsmede precisieproducten, in het bijzonder microzeven en membraanfilters, vervaardigd met een dergelijke matrijs.
EP1281432A4 (de) * 2001-03-08 2005-07-27 Toray Industries Hohlfasermembrane, hohlfasermembranmodul und wasserreinigungsgerät
US6890435B2 (en) * 2002-01-28 2005-05-10 Koch Membrane Systems Hollow fiber microfiltration membranes and a method of making these membranes
JP3933058B2 (ja) * 2002-02-25 2007-06-20 日立化成工業株式会社 マイクロ流体システム用支持ユニット及びその製造方法
US7820281B2 (en) * 2002-11-12 2010-10-26 Daicel Chemical Industries, Ltd. Process for producing porous film and porous film
US7229580B2 (en) * 2003-05-05 2007-06-12 Porogen Corporation Preparation of porous poly(aryl ether) articles and use thereof
ATE504347T1 (de) * 2003-06-02 2011-04-15 Ge Osmonics Inc Materialien und verfahren zur verarbeitung von nichtwässrigen gemischen
ATE457822T1 (de) * 2003-06-02 2010-03-15 Ge Osmonics Inc Materialien zum verarbeiten nicht-wässeriger mischungen und verfahren zu deren herstellung
ATE448018T1 (de) * 2004-02-18 2009-11-15 Hitachi Chemical Co Ltd Mikrofluidische einheit mit hohlfaser-kanal
US8480970B2 (en) * 2004-11-30 2013-07-09 Hitachi Chemical Co., Ltd. Analytical pretreatment device
CN101664662A (zh) * 2004-12-09 2010-03-10 日立化成工业株式会社 微流体***用支持单元及其制造方法
DE102005011544A1 (de) * 2005-03-10 2006-09-14 Gkss-Forschungszentrum Geesthacht Gmbh Verfahren zur Herstellung einer Polymermembran sowie Polymermembran
KR100656805B1 (ko) 2005-03-18 2006-12-20 학교법인연세대학교 증기유도상전이 공정 및 비용매유도상전이 공정을 이용한미세 다공성 폴리에테르술폰막의 제조방법
US7641055B2 (en) * 2005-11-10 2010-01-05 Donaldson Company, Inc. Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy
EP2177603A1 (de) 2008-09-25 2010-04-21 Gambro Lundia AB Vorrichtung für Nierenzellexpansion
EP2314672B1 (de) 2008-09-25 2015-04-15 Gambro Lundia AB Hybride biologische künstliche Niere
EP2168668A1 (de) 2008-09-25 2010-03-31 Gambro Lundia AB Membran für Zellexpansion
EP2168666A1 (de) 2008-09-25 2010-03-31 Gambro Lundia AB Bestrahlte Membran für Zellexpansion
US8353410B2 (en) * 2009-11-24 2013-01-15 International Business Machines Corporation Polymeric films made from polyhedral oligomeric silsesquioxane (POSS) and a hydrophilic comonomer
US8011517B2 (en) * 2009-11-24 2011-09-06 International Business Machines Corporation Composite membranes with performance enhancing layers
WO2012060447A1 (ja) * 2010-11-05 2012-05-10 日東電工株式会社 シート状分離膜の製造方法
US8895104B2 (en) 2011-07-01 2014-11-25 International Business Machines Corporation Thin film composite membranes embedded with molecular cage compounds
EP2604331B1 (de) * 2011-12-15 2017-01-25 Gambro Lundia AB Dotierte Membranen
US20130264277A1 (en) * 2012-04-04 2013-10-10 Pall Corporation Antimicrobial filter
JP5946909B2 (ja) * 2012-05-24 2016-07-06 エルジー・ケム・リミテッド 逆浸透分離膜の製造方法及びそれにより製造された逆浸透分離膜
DE102013224926A1 (de) 2013-12-04 2015-06-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Poly-(meth)acrylnitril-basierten Polymermembranen, Polymermembranen sowie Lösungen zur Herstellung einer Polymermembran
US10851241B2 (en) 2014-11-19 2020-12-01 Cytiva Sweden Ab Zwitterion-functionalized multicomponent copolymers and associated polymer blends and membranes
EP3363865B1 (de) * 2015-10-16 2020-06-17 Sumitomo Chemical Company Limited Harzlösungszusammensetzung
CN108430613B (zh) * 2015-12-04 2022-02-11 思拓凡瑞典有限公司 两性离子砜聚合物共混物和中空纤维膜
CN108883374B (zh) 2016-03-21 2021-06-01 杜邦安全与建筑公司 用于制作多层隔膜的方法、喷丝头和***

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691068A (en) * 1971-01-08 1972-09-12 Amicon Corp Dialysis membrane and its use
FR2138333B1 (de) * 1971-05-24 1974-03-08 Rhone Poulenc Sa
US4051300A (en) * 1973-09-03 1977-09-27 Gulf South Research Institute Hollow synthetic fibers
JPS518179A (en) * 1974-07-11 1976-01-22 Daicel Ltd Sentakutokaseikobunshimakuoyobisono seizoho
IT1047382B (it) * 1975-10-31 1980-09-10 Fiat Spa Sistema di frenatura per autoveicoli
FR2331602A1 (fr) * 1975-11-14 1977-06-10 Rhone Poulenc Ind Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse
JPS5812932B2 (ja) * 1977-06-30 1983-03-10 日本ゼオン株式会社 中空繊維の製造方法
CA1151020A (en) * 1980-05-01 1983-08-02 Richard W. Baker Reverse osmosis composite fiber membrane
IL64967A0 (en) * 1981-03-17 1982-04-30 Aligena Ag Semipermeable membranes containing modified polysulfones,their manufacture and their use
DE3149976A1 (de) * 1981-12-17 1983-06-30 Hoechst Ag, 6230 Frankfurt Makroporoese asymmetrische hydrophile membran aus synthetischem polymerisat
JPS58132111A (ja) * 1982-01-29 1983-08-06 Asahi Chem Ind Co Ltd ポリスルホン中空糸
FR2529464B1 (de) * 1982-07-01 1985-01-18 Hospal Ind
JPS59189903A (ja) * 1983-04-09 1984-10-27 Kanegafuchi Chem Ind Co Ltd 中空糸状フイルタ−およびその製法
DE3342824A1 (de) * 1983-11-26 1985-06-05 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Verfahren zum herstellen von filterelementen auf polysulfon-basis
JPS60172312A (ja) * 1984-02-17 1985-09-05 Toyobo Co Ltd ポリスルホン中空糸膜の製造法
DE3426331A1 (de) * 1984-07-17 1986-01-30 6380 Bad Homburg Fresenius AG Asymmetrische mikroporoese hohlfaser fuer die haemodialyse sowie verfahren zu ihrer herstellung
JPH0757825B2 (ja) * 1985-04-17 1995-06-21 東レ株式会社 ポリスルホン系樹脂多孔膜
US4787976A (en) * 1985-04-29 1988-11-29 W. R. Grace & Co. Non-adsorptive, semipermeable filtration membrane
US4744932A (en) * 1985-05-31 1988-05-17 Celanese Corporation Process for forming a skinless hollow fiber of a cellulose ester
US4820460A (en) * 1987-04-27 1989-04-11 Cuno, Incorporated Method of manufacturing a hollow porous fiber
JPS6428419A (en) * 1987-07-24 1989-01-31 Iseki Agricult Mach Device for inspecting burner
JP2627509B2 (ja) * 1987-08-27 1997-07-09 京セラ株式会社 導電層を有する電子部品
JPH0678486B2 (ja) * 1987-10-27 1994-10-05 日立化成工業株式会社 感光性重合体組成物

Also Published As

Publication number Publication date
EP0362588A1 (de) 1990-04-11
EP0362588B1 (de) 1994-11-09
DE68919324T2 (de) 1995-03-23
JPH02151636A (ja) 1990-06-11
US4970034A (en) 1990-11-13

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: W.R. GRACE & CO.-CONN., NEW YORK, N.Y., US

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CIRCE BIOMEDICAL, INC., LEXINGTON, MASS., US

8339 Ceased/non-payment of the annual fee