FR2541586B1 - Membranes de separation de type fibre creuse composites, procede pour la production de celles-ci et leur utilisation - Google Patents

Membranes de separation de type fibre creuse composites, procede pour la production de celles-ci et leur utilisation

Info

Publication number
FR2541586B1
FR2541586B1 FR8403060A FR8403060A FR2541586B1 FR 2541586 B1 FR2541586 B1 FR 2541586B1 FR 8403060 A FR8403060 A FR 8403060A FR 8403060 A FR8403060 A FR 8403060A FR 2541586 B1 FR2541586 B1 FR 2541586B1
Authority
FR
France
Prior art keywords
production
hollow fiber
separation membranes
type separation
composite 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
Application number
FR8403060A
Other languages
English (en)
French (fr)
Other versions
FR2541586A1 (fr
Inventor
Shuzo Ohyabu
Syuji Kawai
Takehiko Okamoto
Takao Migaki
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of FR2541586A1 publication Critical patent/FR2541586A1/fr
Application granted granted Critical
Publication of FR2541586B1 publication Critical patent/FR2541586B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1214—Chemically bonded layers, e.g. cross-linking
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1216—Three or more layers
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S623/00—Prosthesis, i.e. artificial body members, parts thereof, or aids and accessories therefor
    • Y10S623/92—Method or apparatus for preparing or treating prosthetic
    • 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.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Multicomponent Fibers (AREA)
FR8403060A 1983-02-28 1984-02-28 Membranes de separation de type fibre creuse composites, procede pour la production de celles-ci et leur utilisation Expired FR2541586B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58033304A JPS59160506A (ja) 1983-02-28 1983-02-28 複合中空糸分離膜およびその製造法

Publications (2)

Publication Number Publication Date
FR2541586A1 FR2541586A1 (fr) 1984-08-31
FR2541586B1 true FR2541586B1 (fr) 1987-01-16

Family

ID=12382810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8403060A Expired FR2541586B1 (fr) 1983-02-28 1984-02-28 Membranes de separation de type fibre creuse composites, procede pour la production de celles-ci et leur utilisation

Country Status (4)

Country Link
US (2) US4664669A (OSRAM)
JP (1) JPS59160506A (OSRAM)
DE (1) DE3407252A1 (OSRAM)
FR (1) FR2541586B1 (OSRAM)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60190202A (ja) * 1984-03-09 1985-09-27 Teijin Ltd ガス分離用中空複合膜の製造方法
FR2593721B1 (fr) * 1986-02-05 1988-05-20 Rhone Poulenc Rech Fibre creuse composite pour enlever de la vapeur d'eau a de l'air ou a du gaz carbonique
NL8602402A (nl) * 1986-09-23 1988-04-18 X Flow Bv Werkwijze voor de vervaardiging van hydrofiele membranen en dergelijke membranen.
US4963165A (en) * 1987-04-27 1990-10-16 Membrane Technology & Research, Inc. Composite membrane, method of preparation and use
US4849285A (en) * 1987-06-01 1989-07-18 Bio Med Sciences, Inc. Composite macrostructure of ceramic and organic biomaterials
US4900626A (en) * 1987-07-28 1990-02-13 Rhone-Poulenc Recherches Hollow composite fibers selectively permeable to water vapor
SE460521B (sv) * 1987-08-31 1989-10-23 Gambro Dialysatoren Permselektiv asymmetriskt membran samt foerfarande foer dess framstaellning
US4871378A (en) * 1987-12-11 1989-10-03 Membrane Technology & Research, Inc. Ultrathin ethylcellulose/poly(4-methylpentene-1) permselective membranes
DE3818860A1 (de) * 1988-06-03 1989-12-07 Seitz Filter Werke Filterelement
DE68926421T2 (de) * 1988-08-20 1996-09-12 Nitto Denko Corp Verfahren zur Entfernung von gelösten Gasen aus einer Flüssigkeit
US5024671A (en) * 1988-09-19 1991-06-18 Baxter International Inc. Microporous vascular graft
NL8901090A (nl) * 1989-04-28 1990-11-16 X Flow Bv Werkwijze voor het vervaardigen van een microporeus membraan en een dergelijk membraan.
US5002590A (en) * 1989-09-19 1991-03-26 Bend Research, Inc. Countercurrent dehydration by hollow fibers
EP0506701B1 (de) * 1989-12-23 1995-03-01 Hoechst Aktiengesellschaft Verbundmembran, verfahren zu ihrer herstellung und ihre verwendung
US5009783A (en) * 1990-01-02 1991-04-23 Texaco Inc. Separation of compositions containing water and organic oxygenates
US5160353A (en) * 1990-08-30 1992-11-03 E. I. Du Pont De Nemours & Company Gas separation membrane with ultrathin layer
US5713888A (en) * 1990-10-31 1998-02-03 Baxter International, Inc. Tissue implant systems
US5733336A (en) * 1990-10-31 1998-03-31 Baxter International, Inc. Ported tissue implant systems and methods of using same
ES2090364T3 (es) * 1990-10-31 1996-10-16 Baxter Int Material de implante de vascularizacion cercana.
US5344454A (en) * 1991-07-24 1994-09-06 Baxter International Inc. Closed porous chambers for implanting tissue in a host
US5314471A (en) * 1991-07-24 1994-05-24 Baxter International Inc. Tissue inplant systems and methods for sustaining viable high cell densities within a host
US5187010A (en) * 1990-11-27 1993-02-16 W. R. Grace & Co.-Conn. Membrane having high affinity for low density lipoprotein-cholesterol from whole blood
US5418061A (en) * 1990-11-27 1995-05-23 W. R. Grace & Co.-Conn. Microporous polysulfone supports suitable for removal of low density lipoprotein-cholesterol
US5258149A (en) * 1990-11-27 1993-11-02 W. R. Grace & Co.-Conn. Process of making a membrane for high efficiency removal of low density lipoprotein-cholesterol from whole blood
DE4037817A1 (de) * 1990-11-28 1992-06-04 Akzo Gmbh Gasmembrankapillarherstellung
US5085676A (en) * 1990-12-04 1992-02-04 E. I. Du Pont De Nemours And Company Novel multicomponent fluid separation membranes
JP3007903B2 (ja) * 1991-03-29 2000-02-14 京セラ株式会社 人工椎間板
US5209883A (en) * 1991-04-17 1993-05-11 Hoechst Celanese Corp. Fabrication of fluoropolymer hollow fibers for asymmetric membranes
US6773458B1 (en) 1991-07-24 2004-08-10 Baxter International Inc. Angiogenic tissue implant systems and methods
US5725577A (en) * 1993-01-13 1998-03-10 Saxon; Allen Prosthesis for the repair of soft tissue defects
WO1995008355A1 (en) * 1993-09-24 1995-03-30 Baxter International Inc. Methods for enhancing vascularization of implant devices
US6132470A (en) * 1994-01-27 2000-10-17 W. L. Gore & Associates, Inc. Apparatus and method for protecting prosthetic joint assembly from wear
DE69406950T2 (de) * 1994-01-27 1998-06-18 W.L. Gore & Associates, Inc., Newark, Del. Gerät zum schutz von gelenkprothesen gegen abnutzungsreste
EP0682977A3 (en) * 1994-05-20 2000-01-12 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Improved polymeric membrane
US6156305A (en) * 1994-07-08 2000-12-05 Baxter International Inc. Implanted tumor cells for the prevention and treatment of cancer
US6060640A (en) * 1995-05-19 2000-05-09 Baxter International Inc. Multiple-layer, formed-in-place immunoisolation membrane structures for implantation of cells in host tissue
DE19518624C1 (de) * 1995-05-24 1996-11-21 Akzo Nobel Nv Synthetische Trennmembran
JPH0929002A (ja) 1995-07-17 1997-02-04 Teisan Kk ガス回収装置
US5858065A (en) * 1995-07-17 1999-01-12 American Air Liquide Process and system for separation and recovery of perfluorocompound gases
US5785741A (en) 1995-07-17 1998-07-28 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges, Claude Process and system for separation and recovery of perfluorocompound gases
US5693694A (en) * 1996-03-20 1997-12-02 W.R. Grace & Co.-Conn. Low and medium flux membranes
US5759237A (en) * 1996-06-14 1998-06-02 L'air Liquide Societe Anonyme Pour L'etude Et, L'exploitation Des Procedes Georges Claude Process and system for selective abatement of reactive gases and recovery of perfluorocompound gases
IE80909B1 (en) * 1996-06-14 1999-06-16 Air Liquide An improved process and system for separation and recovery of perfluorocompound gases
US5876604A (en) * 1996-10-24 1999-03-02 Compact Membrane Systems, Inc Method of gasifying or degasifying a liquid
US5814127A (en) * 1996-12-23 1998-09-29 American Air Liquide Inc. Process for recovering CF4 and C2 F6 from a gas
US5855647A (en) * 1997-05-15 1999-01-05 American Air Liquide, Inc. Process for recovering SF6 from a gas
US5914154A (en) * 1997-05-30 1999-06-22 Compact Membrane Systems, Inc. Non-porous gas permeable membrane
US6112908A (en) * 1998-02-11 2000-09-05 Rentiers Machinery Pty, Ltd. Membrane laminates and methods for their preparation
US6187077B1 (en) 1998-04-17 2001-02-13 American Air Liquide Inc. Separation of CF4 and C2F6 from a perfluorocompound mixture
US6126721A (en) * 1998-08-28 2000-10-03 Compact Membrane Systems, Inc. Oxygen enriched air supply apparatus
DE19955341A1 (de) * 1999-11-17 2001-08-02 Haemosys Gmbh Blutkompatible Polymeroberflächen
US7678151B2 (en) 2000-05-01 2010-03-16 Ek Steven W System and method for joint resurface repair
US7163541B2 (en) 2002-12-03 2007-01-16 Arthrosurface Incorporated Tibial resurfacing system
US6610067B2 (en) * 2000-05-01 2003-08-26 Arthrosurface, Incorporated System and method for joint resurface repair
US7713305B2 (en) 2000-05-01 2010-05-11 Arthrosurface, Inc. Articular surface implant
EP2314257B9 (en) 2000-05-01 2013-02-27 ArthroSurface, Inc. System for joint resurface repair
US20040230315A1 (en) * 2000-05-01 2004-11-18 Ek Steven W. Articular surface implant
US8177841B2 (en) 2000-05-01 2012-05-15 Arthrosurface Inc. System and method for joint resurface repair
US7618462B2 (en) 2000-05-01 2009-11-17 Arthrosurface Incorporated System and method for joint resurface repair
US6395325B1 (en) 2000-05-16 2002-05-28 Scimed Life Systems, Inc. Porous membranes
JP3580790B2 (ja) * 2001-10-31 2004-10-27 宇明泰化工股▲ふん▼有限公司 非対称性多孔質ポリテトラフルオロエチレン膜とその製造方法
US6790213B2 (en) 2002-01-07 2004-09-14 C.R. Bard, Inc. Implantable prosthesis
JP3829792B2 (ja) * 2002-10-30 2006-10-04 トヨタ自動車株式会社 排ガス浄化触媒用担体の製造方法
US7901408B2 (en) * 2002-12-03 2011-03-08 Arthrosurface, Inc. System and method for retrograde procedure
SE0203857L (sv) * 2002-12-20 2004-06-21 Gambro Lundia Ab Permselektivt membran och förfarande för tillverkning därav
SE0203855L (sv) 2002-12-20 2004-06-21 Gambro Lundia Ab Permselektivt membran
US8388624B2 (en) * 2003-02-24 2013-03-05 Arthrosurface Incorporated Trochlear resurfacing system and method
US7713331B2 (en) * 2003-11-05 2010-05-11 Rheodyne, Llc Axial transfer line degassing
US6949132B2 (en) * 2003-11-05 2005-09-27 Systel, Llc Axial degassing transfer lines
US7951163B2 (en) * 2003-11-20 2011-05-31 Arthrosurface, Inc. Retrograde excision system and apparatus
CA2593182A1 (en) * 2003-11-20 2006-07-13 Arthrosurface, Inc. System and method for retrograde procedure
AU2004293042A1 (en) * 2003-11-20 2005-06-09 Arthrosurface, Inc. Retrograde delivery of resurfacing devices
EP1765201A4 (en) 2004-06-28 2013-01-23 Arthrosurface Inc SYSTEM FOR THE BENDING AREA
US20060011063A1 (en) * 2004-07-16 2006-01-19 Honeywell International Inc. High temperature gas separation membrane suitable for OBIGGS applications
JP2006150323A (ja) * 2004-11-01 2006-06-15 Japan Gore Tex Inc 隔膜およびその製法、並びに該隔膜を備えた熱交換器
US7828853B2 (en) * 2004-11-22 2010-11-09 Arthrosurface, Inc. Articular surface implant and delivery system
US20070179608A1 (en) * 2005-07-29 2007-08-02 Arthrosurface, Inc. System and method for articular surface repair
US20070055373A1 (en) * 2005-09-08 2007-03-08 Zimmer Spine, Inc. Facet replacement/spacing and flexible spinal stabilization
EP2040624A2 (en) * 2006-07-17 2009-04-01 ArthroSurface, Inc. System and method for tissue resection
US9358029B2 (en) 2006-12-11 2016-06-07 Arthrosurface Incorporated Retrograde resection apparatus and method
US7811359B2 (en) * 2007-01-18 2010-10-12 General Electric Company Composite membrane for separation of carbon dioxide
WO2009111481A1 (en) 2008-03-03 2009-09-11 Arthrosurface Incorporated Bone resurfacing system and method
CA2966657C (en) 2008-10-03 2019-07-02 C.R. Bard, Inc. Implantable prosthesis
US9283076B2 (en) * 2009-04-17 2016-03-15 Arthrosurface Incorporated Glenoid resurfacing system and method
WO2016154393A1 (en) 2009-04-17 2016-09-29 Arthrosurface Incorporated Glenoid repair system and methods of use thereof
US9662126B2 (en) * 2009-04-17 2017-05-30 Arthrosurface Incorporated Glenoid resurfacing system and method
US8597518B2 (en) * 2009-08-19 2013-12-03 The University Of Connecticut Pervaporation composite membrane for aqueous solution separation and methods for using the same
WO2011109836A1 (en) 2010-03-05 2011-09-09 Arthrosurface Incorporated Tibial resurfacing system and method
US9066716B2 (en) 2011-03-30 2015-06-30 Arthrosurface Incorporated Suture coil and suture sheath for tissue repair
US9044712B2 (en) 2011-09-12 2015-06-02 Idex Health & Science, Llc Supersaturated fluid degassing
WO2013096746A1 (en) 2011-12-22 2013-06-27 Arthrosurface Incorporated System and method for bone fixation
US8979978B2 (en) 2012-01-26 2015-03-17 Empire Technology Development Llc Graphene membrane with regular angstrom-scale pores
DE112013003358T5 (de) 2012-07-03 2015-03-19 Arthrosurface, Inc. System und Verfahren für Gelenkoberflächenersatz und -reparatur
US20140014289A1 (en) * 2012-07-11 2014-01-16 Kraton Polymers U.S. Llc Enhanced-efficiency energy recovery ventilation core
US9156702B2 (en) 2012-07-25 2015-10-13 Empire Technology Development Llc Graphene membrane repair
WO2014018030A1 (en) 2012-07-25 2014-01-30 Empire Technology Development Llc Repairing graphene on a porous support
US9492200B2 (en) 2013-04-16 2016-11-15 Arthrosurface Incorporated Suture system and method
JP6001013B2 (ja) * 2013-08-13 2016-10-05 富士フイルム株式会社 酸性ガス分離用スパイラル型モジュール
WO2015041286A1 (ja) * 2013-09-18 2015-03-26 三菱レイヨン株式会社 多孔質中空糸膜及びその製造方法
US10624748B2 (en) 2014-03-07 2020-04-21 Arthrosurface Incorporated System and method for repairing articular surfaces
US11607319B2 (en) 2014-03-07 2023-03-21 Arthrosurface Incorporated System and method for repairing articular surfaces
US20150250472A1 (en) 2014-03-07 2015-09-10 Arthrosurface Incorporated Delivery System for Articular Surface Implant
WO2016027869A1 (ja) 2014-08-21 2016-02-25 旭化成株式会社 複合中空糸膜モジュールおよびその製造方法
WO2016126249A1 (en) 2015-02-04 2016-08-11 Rule David D Energy transfer systems and energy transfer methods
KR20190045361A (ko) * 2016-11-09 2019-05-02 아사히 가세이 가부시키가이샤 다공성 중공사막 및 다공성 중공사막의 제조 방법
CA3108761A1 (en) 2017-08-04 2019-02-07 Arthrosurface Incorporated Multicomponent articular surface implant
CN109745733B (zh) * 2017-11-08 2021-01-08 中国科学院金属研究所 一种基于中空泡沫材料的微型萃取装置及其应用
EP3854430B1 (en) * 2018-09-20 2025-05-21 Daicen Membrane-Systems Ltd. Porous hollow fiber membrane
WO2020186099A1 (en) 2019-03-12 2020-09-17 Arthrosurface Incorporated Humeral and glenoid articular surface implant systems and methods
US11642629B2 (en) 2020-03-20 2023-05-09 Saudi Arabian Oil Company Multi-layer composite gas separation membranes, methods for preparation, and use

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1040274B (it) * 1975-07-30 1979-12-20 Consiglio Nazionale Ricerche Procedimento di preparazione di membrane anisotrope supportate per osmosi inversa a base di poliammidi sintetiche
FR2410501A1 (fr) * 1976-11-15 1979-06-29 Monsanto Co Membranes a composants multiples pour des separations de gaz
DE2705733C2 (de) * 1977-02-11 1982-07-22 Akzo Gmbh, 5600 Wuppertal Dialysemembran für die Hämodialyse
DE7707583U1 (de) * 1977-03-11 1977-09-01 Wrobel, Richard, 7403 Ammerbuch Haltevorrichtung zur befestigung einer gurtung an schalungstraegern
US4239729A (en) * 1978-06-06 1980-12-16 Terumo Corporation Oxygenator
JPS55148209A (en) * 1979-04-27 1980-11-18 Kuraray Co Ltd Hollow ethylene-vinyl alcohol membrane and its production
JPS55148210A (en) * 1979-04-30 1980-11-18 Kuraray Co Ltd Preparation of hollow ethylene-vinyl alcohol membrane
US4243701A (en) * 1979-11-08 1981-01-06 Uop Inc. Preparation of gas separation membranes
JPS5824304A (ja) * 1981-08-07 1983-02-14 Toray Ind Inc 高性能半透性複合膜
US4387024A (en) * 1979-12-13 1983-06-07 Toray Industries, Inc. High performance semipermeable composite membrane and process for producing the same
DE2950623A1 (de) * 1979-12-15 1981-06-19 Toray Industries, Inc., Tokyo Semipermeable zusammengesetzte membran und verfahren zu deren herstellung
JPS5831204B2 (ja) * 1980-03-10 1983-07-05 日東電工株式会社 ポリスルホン半透膜
DE3018667C2 (de) * 1980-05-16 1994-06-16 Bend Res Inc Fasermembran für umgekehrte Osmose
JPS58132111A (ja) * 1982-01-29 1983-08-06 Asahi Chem Ind Co Ltd ポリスルホン中空糸

Also Published As

Publication number Publication date
JPS59160506A (ja) 1984-09-11
US4938778A (en) 1990-07-03
DE3407252C2 (OSRAM) 1989-03-23
DE3407252A1 (de) 1984-09-06
US4664669A (en) 1987-05-12
JPH0335971B2 (OSRAM) 1991-05-30
FR2541586A1 (fr) 1984-08-31

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