CA2136006A1 - Hollow Fiber Membrane Incorporating a Surfactant and Process for Preparing Same - Google Patents

Hollow Fiber Membrane Incorporating a Surfactant and Process for Preparing Same

Info

Publication number
CA2136006A1
CA2136006A1 CA 2136006 CA2136006A CA2136006A1 CA 2136006 A1 CA2136006 A1 CA 2136006A1 CA 2136006 CA2136006 CA 2136006 CA 2136006 A CA2136006 A CA 2136006A CA 2136006 A1 CA2136006 A1 CA 2136006A1
Authority
CA
Canada
Prior art keywords
hollow fibers
surfactant
hollow fiber
incorporating
fiber membrane
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
CA 2136006
Other languages
French (fr)
Other versions
CA2136006C (en
Inventor
Louis C. Cosentino
Paul D. Brinda
Robert T. Ii Hall
Robert G. Andrus
Randal M. Wenthold
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.)
Minntech Corp
Original Assignee
Louis C. Cosentino
Paul D. Brinda
Robert T. Ii Hall
Robert G. Andrus
Randal M. Wenthold
Minntech Corporation
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 Louis C. Cosentino, Paul D. Brinda, Robert T. Ii Hall, Robert G. Andrus, Randal M. Wenthold, Minntech Corporation filed Critical Louis C. Cosentino
Publication of CA2136006A1 publication Critical patent/CA2136006A1/en
Application granted granted Critical
Publication of CA2136006C publication Critical patent/CA2136006C/en
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
    • 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
    • B01D67/00111—Polymer pretreatment in the casting solutions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • 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
    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • 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
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • 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

Abstract

Improved asymmetrical microporous hollow fibers incorporating a low molecular weight surfactant and the process for the production of the hollow fibers are disclosed. The hollow fibers have significantly improved flux and rewetting characteristics.
The process involves passing a polymeric solution through an outer annulus of die to create an annular stream and a precipitating fluid through the inner orifice of the die creating a stream within the annular stream resulting in hollow fiber formation. The pro-cess further involves incorporating a low molecular weight surfactant into the hollow fibers at any one of several stages during the process.
CA002136006A 1992-06-23 1993-04-05 Hollow fiber membrane incorporating a surfactant and process for preparing same Expired - Fee Related CA2136006C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US90238992A 1992-06-23 1992-06-23
US07/902,389 1992-06-23
PCT/US1993/003211 WO1994000222A1 (en) 1992-06-23 1993-04-05 Hollow fiber membrane incorporating a surfactant and process for preparing same

Publications (2)

Publication Number Publication Date
CA2136006A1 true CA2136006A1 (en) 1994-01-06
CA2136006C CA2136006C (en) 1999-11-30

Family

ID=25415800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002136006A Expired - Fee Related CA2136006C (en) 1992-06-23 1993-04-05 Hollow fiber membrane incorporating a surfactant and process for preparing same

Country Status (5)

Country Link
EP (1) EP0647156A1 (en)
JP (1) JP2818975B2 (en)
AU (1) AU4279093A (en)
CA (1) CA2136006C (en)
WO (1) WO1994000222A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996035504A1 (en) * 1995-05-09 1996-11-14 Teijin Limited Hollow-fiber membrane of polysulfone polymer and process for the production thereof
US5837234A (en) * 1995-06-07 1998-11-17 Cytotherapeutics, Inc. Bioartificial organ containing cells encapsulated in a permselective polyether suflfone membrane
US5798333A (en) * 1996-09-17 1998-08-25 Sherman; Bernard C. Water-soluble concentrates containing cyclosporins
GB2352652A (en) * 1999-08-06 2001-02-07 Fsm Technologies Ltd Pre-treating hollow fibre membranes for micro-organism detection
JP4211168B2 (en) * 1999-12-21 2009-01-21 東レ株式会社 Dialyzer manufacturing method and sterilization method
US20040026314A1 (en) * 2000-10-24 2004-02-12 Akira Kobayashi Hydrophilized membrane and method of hydrophilization therefor
DE102004008220B4 (en) * 2004-02-19 2006-01-12 Membrana Gmbh High-flux dialysis membrane with improved separation behavior
CA2660161C (en) 2006-10-18 2015-12-22 Gambro Lundia Ab Hollow fiber membrane and method for manufacturing thereof
CN102713029B (en) * 2009-10-29 2015-04-29 巴斯夫欧洲公司 Process for the preparation of hyperbranched hollow fibers
CN113648841A (en) * 2021-08-05 2021-11-16 苏州中色德源环保科技有限公司 Dry-state preservation method for hollow fiber membrane

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482468A1 (en) * 1980-05-19 1981-11-20 Bend Res Inc Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane
JPH0270447U (en) * 1988-11-18 1990-05-29
US5163977A (en) * 1991-08-22 1992-11-17 The Dow Chemical Company Semi-permeable gas separation membranes containing non-ionic surfactants possessing improved resistance to thermal compaction and processes for making and using the same

Also Published As

Publication number Publication date
AU4279093A (en) 1994-01-24
CA2136006C (en) 1999-11-30
EP0647156A1 (en) 1995-04-12
JPH07504615A (en) 1995-05-25
WO1994000222A1 (en) 1994-01-06
JP2818975B2 (en) 1998-10-30

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Legal Events

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