FR2424750A1 - Membrane semi-permeable en polyaryl ether sulfone et procede de production - Google Patents

Membrane semi-permeable en polyaryl ether sulfone et procede de production

Info

Publication number
FR2424750A1
FR2424750A1 FR7911031A FR7911031A FR2424750A1 FR 2424750 A1 FR2424750 A1 FR 2424750A1 FR 7911031 A FR7911031 A FR 7911031A FR 7911031 A FR7911031 A FR 7911031A FR 2424750 A1 FR2424750 A1 FR 2424750A1
Authority
FR
France
Prior art keywords
ether sulfone
polyaryl ether
semi
permeable membrane
production process
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.)
Granted
Application number
FR7911031A
Other languages
English (en)
Other versions
FR2424750B1 (fr
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of FR2424750A1 publication Critical patent/FR2424750A1/fr
Application granted granted Critical
Publication of FR2424750B1 publication Critical patent/FR2424750B1/fr
Granted 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
    • 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
    • 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
    • B01D67/0016—Coagulation
    • 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
    • B01D67/0016—Coagulation
    • B01D67/00165—Composition of the coagulation baths
    • 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
    • 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.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • 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
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31533—Of polythioether

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

L'INVENTION CONCERNE UNE MEMBRANE SEMI-PERMEABLE DE POLYARYL ETHER SULFONE. SELON L'INVENTION, ELLE EST FAITE D'UNE POLYARYL ETHER SULFONE COMPOSEE D'UNITES RECURRENTES REPRESENTEES PAR LA FORMULE GENERALE: (CF DESSIN DANS BOPI) OU X, X, X ET X QUI PEUVENT ETRE IDENTIQUES OU DIFFERENTS SONT DES SUBSTITUANTS NON DISSOCIATIFS ET L, M, N ET O QUI PEUVENT ETRE IDENTIQUES OU DIFFERENTS, SONT DES NOMBRES ENTIERS DE 0 A 4, CETTE MEMBRANE AYANT DES PORES D'UN DIAMETRE CROISSANT PROGRESSIVEMENT ET CONTINUELLEMENT A PARTIR DE SES PREMIERE ET SECONDE SURFACES MAJEURES JUSQU'A SON CENTRE; LE DESSIN JOINT MONTRE LA RELATION ENTRE LE DIAMETRE DES PORES ET LA DISTANCE DE LA SURFACE INTERNE D'UNE FIBRE CREUSE. L'INVENTION S'APPLIQUE NOTAMMENT AUX MEMBRANES D'ULTRAFILTRATION.
FR7911031A 1978-05-02 1979-05-02 Membrane semi-permeable en polyaryl ether sulfone et procede de production Granted FR2424750A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5291978A JPS54145379A (en) 1978-05-02 1978-05-02 Aromatic polysulfone hollow fiber semipermeable membrane

Publications (2)

Publication Number Publication Date
FR2424750A1 true FR2424750A1 (fr) 1979-11-30
FR2424750B1 FR2424750B1 (fr) 1984-02-10

Family

ID=12928230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7911031A Granted FR2424750A1 (fr) 1978-05-02 1979-05-02 Membrane semi-permeable en polyaryl ether sulfone et procede de production

Country Status (5)

Country Link
US (2) US4286015A (fr)
JP (1) JPS54145379A (fr)
DE (1) DE2917357A1 (fr)
FR (1) FR2424750A1 (fr)
GB (1) GB2025312B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472576A1 (fr) * 1979-10-22 1981-07-03 Toyo Soda Mfg Co Ltd Procede de separation d'un agregat de g-globuline a l'aide d'une membrane d'ultrafiltration
EP0036947A1 (fr) * 1980-03-28 1981-10-07 Pennwalt Corporation Methode pour préparer une membrane en polymère sulfone non-sulfoné formable en film
EP0037185A1 (fr) * 1980-03-10 1981-10-07 Nitto Electric Industrial Co., Ltd. Membrane semiperméable
EP0086235A1 (fr) * 1981-08-22 1983-08-24 Asahi Kasei Kogyo Kabushiki Kaisha Membrane de fil creux de resine de polysulfone aromatique et son procede de fabrication
EP0121911A2 (fr) * 1983-04-09 1984-10-17 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Milieu filtrant sous forme de fibre creuse et son procédé de fabrication

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5714849A (en) * 1980-06-30 1982-01-26 Fuji Photo Film Co Ltd Transfer film for electrophotographic copier
JPS5782515A (en) * 1980-11-05 1982-05-24 Kanegafuchi Chem Ind Co Ltd Hollow fibrous membrane and its preparation
IL64967A0 (en) * 1981-03-17 1982-04-30 Aligena Ag Semipermeable membranes containing modified polysulfones,their manufacture and their use
JPS58132111A (ja) * 1982-01-29 1983-08-06 Asahi Chem Ind Co Ltd ポリスルホン中空糸
US4427419A (en) 1982-03-12 1984-01-24 The Standard Oil Company Semipermeable membranes prepared from polymers containing pendent sulfone groups
US4521224A (en) * 1982-03-12 1985-06-04 The Standard Oil Company Semipermeable membranes prepared from polymers containing pendent sulfone groups
US4575385A (en) * 1983-06-30 1986-03-11 Monsanto Company Permeation modified gas separation membranes
US4652283A (en) * 1983-06-30 1987-03-24 Monsanto Company Polyphenylene oxide membrane having chemically bonded coating
US4666644A (en) * 1983-11-03 1987-05-19 Owens-Illinois, Inc. Method of making asymmetrical layered structures from polyalkylene sulfone resins
US4576842A (en) * 1984-03-19 1986-03-18 Union Carbide Corporation Cookware formed from a laminate
US4527999A (en) * 1984-03-23 1985-07-09 Abcor, Inc. Separation membrane and method of preparing and using same
CA1263572A (fr) * 1984-06-15 1989-12-05 Kenichi Ikeda Composite au polysulfone sulfone pour membranes semi-permeables, et methode de production connexe
US4906375A (en) * 1984-07-14 1990-03-06 Fresenius, Ag Asymmetrical microporous hollow fiber for hemodialysis
DE3426331A1 (de) * 1984-07-17 1986-01-30 6380 Bad Homburg Fresenius AG Asymmetrische mikroporoese hohlfaser fuer die haemodialyse sowie verfahren zu ihrer herstellung
DE3510202A1 (de) * 1985-03-21 1986-09-25 Bayer Ag, 5090 Leverkusen Elektrische leiterplatten
US4681605A (en) 1985-06-27 1987-07-21 A/G Technology Corporation Anisotropic membranes for gas separation
US4699634A (en) * 1985-07-08 1987-10-13 The Standard Oil Company Process for the modification of aromatic polymers via phase transfer catalysis to produce polyarylene polymers and the use thereof
US4737389A (en) * 1986-01-31 1988-04-12 Amoco Corporation Dual ovenable frozen food tray/cookware formed from a lainate containing a polymer that is crystallizable at use temperature
US4728346A (en) * 1986-08-15 1988-03-01 Permea Inc. Permeation modified asymmetric gas separation membranes having graded density skins
US4871494A (en) * 1986-08-15 1989-10-03 Permea, Inc. Process for forming asymmetric gas separation membranes having graded density skins
EP0257012B1 (fr) * 1986-08-15 1992-10-07 PERMEA, Inc. Membranes asymétriques de séparation de gaz ayant un gradient de densité dans leurs peaux
JPS6391102A (ja) * 1986-10-03 1988-04-21 Kanegafuchi Chem Ind Co Ltd 血漿成分分離用膜
JPS6434408A (en) * 1987-07-30 1989-02-03 Toray Industries Porous membrane of polytetrafluoroethylene-base resin and production thereof
SE460521B (sv) * 1987-08-31 1989-10-23 Gambro Dialysatoren Permselektiv asymmetriskt membran samt foerfarande foer dess framstaellning
US4838904A (en) * 1987-12-07 1989-06-13 The Dow Chemical Company Semi-permeable membranes with an internal discriminating region
ATE107873T1 (de) * 1987-11-06 1994-07-15 Dow Chemical Co Halbdurchlässige membrane mit einer inneren diskriminierenden zone.
JPH0272194U (fr) * 1988-11-24 1990-06-01
AU625729B2 (en) * 1989-07-14 1992-07-16 Terumo Kabushiki Kaisha Filter material for seizure of leukocytes and method for production thereof
GB8923408D0 (en) * 1989-10-17 1989-12-06 Raychem Ltd Electrical insulator
US4971695A (en) * 1989-10-31 1990-11-20 Union Carbide Industrial Gases Technology Corporation Sulfonated hexafluoro bis-a polysulfone membranes and process for fluid separations
US5102917A (en) * 1990-09-14 1992-04-07 Cpc Engineering Corporation Porous polysulfone media suitable for filtration
JPH0775657B2 (ja) 1990-10-15 1995-08-16 旭化成工業株式会社 中空糸型モジュール
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
US5480552A (en) * 1992-01-10 1996-01-02 Baxter International Inc. Method for concentrating a solute with an oscillating filtration device
US5240614A (en) * 1992-01-10 1993-08-31 Baxter International Inc. Process for removing unwanted materials from fluids and for producing biological products
US5480554A (en) * 1992-05-13 1996-01-02 Pall Corporation Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
DE4217335C2 (de) * 1992-05-26 1996-01-18 Seitz Filter Werke Hydrophile Membran und Verfahren zu ihrer Herstellung
US5399304A (en) * 1992-06-17 1995-03-21 Battelle Memorial Institute Microgravity formation of polymeric networks
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
US5389433A (en) * 1993-04-01 1995-02-14 W. R. Grace & Co.-Conn. Battery separator
US5346788A (en) * 1993-04-01 1994-09-13 W. R. Grace & Co.-Conn. Microporous polyurethane based battery separator
US5362582A (en) * 1993-04-01 1994-11-08 W.R. Grace & Co.-Conn. Battery separator
US5362581A (en) * 1993-04-01 1994-11-08 W. R. Grace & Co.-Conn. Battery separator
US5389463A (en) * 1993-04-01 1995-02-14 W. R. Grace & Co.-Conn. Battery separator
US5514413A (en) * 1994-03-31 1996-05-07 Air Products And Chemicals, Inc. Process for producing composite membranes
US5714072A (en) 1995-11-06 1998-02-03 Hoechst Celanese Corporation Method for solvent extraction using a dual-skinned asymmetric microporous membrane
US5693694A (en) * 1996-03-20 1997-12-02 W.R. Grace & Co.-Conn. Low and medium flux membranes
EP0913186A4 (fr) * 1997-02-07 2000-03-22 Asahi Chemical Ind Membrane a fibres creuses et procede de fabrication
US6258272B1 (en) 1999-04-09 2001-07-10 Usf Filtrations And Separations Group, Inc. Internal hydrophilic membranes from blended anionic copolymers
DK200100286U4 (da) * 2001-10-24 2003-02-14 Bin X As Filtreringssystem med hydrofile kapillar-membraner
EP2083939B1 (fr) * 2006-10-18 2010-11-10 Gambro Lundia AB Membrane à fibres creuses et procédé de fabrication associé
JP2009006230A (ja) * 2007-06-27 2009-01-15 Toyobo Co Ltd 高分子多孔質中空糸膜
AU2011221916B2 (en) * 2010-03-04 2015-07-23 Sekisui Chemical Co., Ltd. Polymer membrane for water treatment and method for manufacture of same, and water treatment method
JP5267831B2 (ja) * 2012-06-04 2013-08-21 東洋紡株式会社 高分子多孔質中空糸膜の製造方法
KR102386027B1 (ko) 2016-03-15 2022-04-15 솔베이 스페셜티 폴리머스 이태리 에스.피.에이. 설폰 중합체 멤브레인의 제조를 위한 조성물 및 방법
EP4041441A4 (fr) * 2019-10-10 2023-11-01 Entegris, Inc. Membrane polymère poreuse et filtres et procédés associés

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2005334A6 (fr) * 1968-04-01 1969-12-12 Amicon Corp
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US3674628A (en) * 1968-10-29 1972-07-04 Rhone Poulenc Sa Tubular and porous fibres
GB1295585A (fr) * 1970-05-13 1972-11-08
FR2199014A1 (fr) * 1972-09-12 1974-04-05 Rhone Poulenc Sa
FR2277847A1 (fr) * 1974-07-11 1976-02-06 Daicel Ltd Membrane polymere semi-permeable et son procede de preparation
FR2300606A1 (fr) * 1975-02-15 1976-09-10 Asahi Chemical Ind Fibre creuse a paroi filtrante
FR2331602A1 (fr) * 1975-11-14 1977-06-10 Rhone Poulenc Ind Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse
FR2364243A1 (fr) * 1976-09-08 1978-04-07 Asahi Chemical Ind Membrane poreuse sechee en polymere d'acrylonitrile, procede de fabrication de celle-ci et separateurs de batterie d'accumulateurs en comportant application
FR2396575A1 (fr) * 1977-07-08 1979-02-02 Asahi Chemical Ind Membranes semi-permeables en polyaryl ether sulfones

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639306A (en) * 1968-08-08 1972-02-01 Amicon Corp Encapsulating particles and process for making same
FR2040950A5 (fr) * 1969-04-30 1971-01-22 Rhone Poulenc Sa
US3691068A (en) * 1971-01-08 1972-09-12 Amicon Corp Dialysis membrane and its use
US4051300A (en) * 1973-09-03 1977-09-27 Gulf South Research Institute Hollow synthetic fibers

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2005334A6 (fr) * 1968-04-01 1969-12-12 Amicon Corp
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US3674628A (en) * 1968-10-29 1972-07-04 Rhone Poulenc Sa Tubular and porous fibres
GB1295585A (fr) * 1970-05-13 1972-11-08
FR2199014A1 (fr) * 1972-09-12 1974-04-05 Rhone Poulenc Sa
FR2277847A1 (fr) * 1974-07-11 1976-02-06 Daicel Ltd Membrane polymere semi-permeable et son procede de preparation
FR2300606A1 (fr) * 1975-02-15 1976-09-10 Asahi Chemical Ind Fibre creuse a paroi filtrante
FR2331602A1 (fr) * 1975-11-14 1977-06-10 Rhone Poulenc Ind Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse
FR2364243A1 (fr) * 1976-09-08 1978-04-07 Asahi Chemical Ind Membrane poreuse sechee en polymere d'acrylonitrile, procede de fabrication de celle-ci et separateurs de batterie d'accumulateurs en comportant application
FR2396575A1 (fr) * 1977-07-08 1979-02-02 Asahi Chemical Ind Membranes semi-permeables en polyaryl ether sulfones

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/77 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472576A1 (fr) * 1979-10-22 1981-07-03 Toyo Soda Mfg Co Ltd Procede de separation d'un agregat de g-globuline a l'aide d'une membrane d'ultrafiltration
EP0037185A1 (fr) * 1980-03-10 1981-10-07 Nitto Electric Industrial Co., Ltd. Membrane semiperméable
EP0036947A1 (fr) * 1980-03-28 1981-10-07 Pennwalt Corporation Methode pour préparer une membrane en polymère sulfone non-sulfoné formable en film
EP0036947B1 (fr) * 1980-03-28 1983-11-09 Pennwalt Corporation Methode pour préparer une membrane en polymère sulfone non-sulfoné formable en film
EP0086235A1 (fr) * 1981-08-22 1983-08-24 Asahi Kasei Kogyo Kabushiki Kaisha Membrane de fil creux de resine de polysulfone aromatique et son procede de fabrication
EP0086235A4 (fr) * 1981-08-22 1984-03-29 Asahi Chemical Ind Membrane de fil creux de resine de polysulfone aromatique et son procede de fabrication.
EP0121911A2 (fr) * 1983-04-09 1984-10-17 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Milieu filtrant sous forme de fibre creuse et son procédé de fabrication
EP0121911A3 (en) * 1983-04-09 1985-07-31 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Hollow fiber filter medium and process for preparing the same

Also Published As

Publication number Publication date
JPS5635489B2 (fr) 1981-08-18
GB2025312B (en) 1982-06-16
DE2917357A1 (de) 1979-11-08
US4351860A (en) 1982-09-28
DE2917357C2 (fr) 1988-03-31
US4286015A (en) 1981-08-25
FR2424750B1 (fr) 1984-02-10
GB2025312A (en) 1980-01-23
JPS54145379A (en) 1979-11-13

Similar Documents

Publication Publication Date Title
FR2424750A1 (fr) Membrane semi-permeable en polyaryl ether sulfone et procede de production
AR228876A1 (es) Membranas compuestas semipermeables con propositos de ultrafiltracion y osmosis invertida y procedimiento para su manufactura
DE68919324D1 (de) Verfahren zur Herstellung von isotropen mikroporösen Polysulfonmembranen.
FR2339424A1 (fr) Procede pour la fabrication de membranes semipermeables de polysulfone et membranes obtenues
DE3885067T2 (de) Verfahren zur Herstellung von zusammengesetzten Membranen.
EP0354959A4 (fr) Poumon artificiel du type a membrane et procede de production dudit poumon.
AU520157B2 (en) Desalination and purification of water by reverse osmosis and ultrafiltration
IL74530A0 (en) Structure with membranes having continuous pores,its production and its use
DE3886822D1 (de) Verfahren zur Herstellung von hochdurchlässigen zusammengesetzten beschichteten Hohlfasermembranen.
IL46824A (en) Method of improving the rejection performance of semipermeable membranes
CA2165221A1 (fr) Membrane pour module de purification sanguine; methode de sa fabrication
NL7903451A (nl) Ultrafiltratiemembranen en werkwijze ter vervaardiging daarvan.
GB2035197B (en) Process for the prodoction of semipermeable hollow fibre membranes
DE68910227D1 (de) Verfahren zur Herstellung planarer Membranen.
EP0216633A3 (fr) Membrane composite comprenant des fibres creuses poreuses et son procédé de fabrication
ATE10102T1 (de) Verfahren zur herstellung eines produktes fuer die diagnose von karzinomen.
JPS5329996A (en) Separation of amino acid from fermentation liquid
AU7366787A (en) Semipermeable membranes
JPS56109671A (en) Manufacture of dialyzing membrane for dialyzing blood
FR2414055A1 (fr) Procede de preparation de l'heparine
SU594984A1 (ru) Способ консервировани почки
SU577037A1 (ru) Мембрана дл искусственной оксигенации крови
IT1186692B (it) Procedimento per la preparazione di membrane semipermeabili di copolimero poliacrilonitrilico
JPS52123983A (en) Treatment of hollow cellulose acetate filament
JPS52148487A (en) Filter membrane of hollow fiber