DE69842074D1 - Verfahren zur Herstellung von hochasymmetrischen Ultrafiltrationsmembranen - Google Patents

Verfahren zur Herstellung von hochasymmetrischen Ultrafiltrationsmembranen

Info

Publication number
DE69842074D1
DE69842074D1 DE69842074T DE69842074T DE69842074D1 DE 69842074 D1 DE69842074 D1 DE 69842074D1 DE 69842074 T DE69842074 T DE 69842074T DE 69842074 T DE69842074 T DE 69842074T DE 69842074 D1 DE69842074 D1 DE 69842074D1
Authority
DE
Germany
Prior art keywords
membranes
highly asymmetric
preparation
pores
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.)
Expired - Lifetime
Application number
DE69842074T
Other languages
German (de)
English (en)
Inventor
I-Fan Wang
Jerome F Ditter
Richard A Morris
Robert Kesting
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.)
Pall Corp
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Application granted granted Critical
Publication of DE69842074D1 publication Critical patent/DE69842074D1/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
    • 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
    • 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
    • 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
    • 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
    • B01D2325/34—Molecular weight or degree of polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/38—Hydrophobic 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.]
    • Y10T428/249961—With gradual property change within a 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.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
    • Y10T428/249989—Integrally formed skin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE69842074T 1997-07-08 1998-07-07 Verfahren zur Herstellung von hochasymmetrischen Ultrafiltrationsmembranen Expired - Lifetime DE69842074D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/889,414 US5958989A (en) 1997-07-08 1997-07-08 Highly asymmetric ultrafiltration membranes

Publications (1)

Publication Number Publication Date
DE69842074D1 true DE69842074D1 (de) 2011-02-03

Family

ID=25395047

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69842074T Expired - Lifetime DE69842074D1 (de) 1997-07-08 1998-07-07 Verfahren zur Herstellung von hochasymmetrischen Ultrafiltrationsmembranen

Country Status (8)

Country Link
US (2) US5958989A (https=)
EP (2) EP0994747A1 (https=)
JP (1) JP4388225B2 (https=)
AT (1) ATE492334T1 (https=)
AU (1) AU744080B2 (https=)
CA (1) CA2293802A1 (https=)
DE (1) DE69842074D1 (https=)
WO (1) WO1999002246A1 (https=)

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US6277281B1 (en) * 1994-03-04 2001-08-21 Usf Filtration And Separations Group Inc. Large pore synthetic polymer membranes
US6045899A (en) * 1996-12-12 2000-04-04 Usf Filtration & Separations Group, Inc. Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters
US20010048738A1 (en) * 1997-04-03 2001-12-06 Sbc Technology Resourses, Inc. Profile management system including user interface for accessing and maintaining profile data of user subscribed telephony services
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
US6056903A (en) * 1999-02-08 2000-05-02 Osmonics, Inc. Preparation of polyethersulfone membranes
US7108791B2 (en) * 1999-09-14 2006-09-19 Millipore Corporation High-resolution virus removal methodology and filtration capsule useful therefor
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
US7229665B2 (en) 2001-05-22 2007-06-12 Millipore Corporation Process of forming multilayered structures
US7942274B2 (en) * 2000-05-24 2011-05-17 Millipore Corporation High-throughput asymmetric membrane
US6612447B1 (en) 2000-07-24 2003-09-02 Baxter International Inc. Blood collection systems and filters using a porous membrane element
WO2003004690A2 (en) * 2001-07-06 2003-01-16 454$m(3) CORPORATION Method for isolation of independent, parallel chemical micro-reactions using a porous filter
US20040060867A1 (en) * 2002-09-27 2004-04-01 Bmc Industries, Inc. Membrane support devices and methods of manufacturing
US7229580B2 (en) * 2003-05-05 2007-06-12 Porogen Corporation Preparation of porous poly(aryl ether) articles and use thereof
KR100850116B1 (ko) 2006-03-06 2008-08-04 웅진케미칼 주식회사 에어 응고법에 의한 폴리에테르술폰 멤브레인의 제조방법
EP2024068B1 (de) * 2006-05-06 2012-01-18 Membrana GmbH Ultrafiltrationsmembran
US20070272608A1 (en) * 2006-05-24 2007-11-29 Clark Mark M Colloidal polysulfone fibers
US9346021B2 (en) * 2008-12-02 2016-05-24 Membrane Distillation Desalination Ltd., Co. Composite membranes for membrane distillation and related methods of manufacture
US8840791B2 (en) 2011-09-01 2014-09-23 Pall Corporation Multilayer microfiltration membrane
US9005496B2 (en) 2012-02-01 2015-04-14 Pall Corporation Asymmetric membranes
EP2636442A1 (en) 2012-03-05 2013-09-11 Gambro Lundia AB Low cut-off ultrafiltration membranes
US9248414B2 (en) 2012-03-30 2016-02-02 Pall Corporation Large pore polymeric membrane
US20130264277A1 (en) 2012-04-04 2013-10-10 Pall Corporation Antimicrobial filter
US20140339165A1 (en) 2013-05-14 2014-11-20 Pall Corporation High throughput membrane with rough surface
US20140339164A1 (en) 2013-05-14 2014-11-20 Pall Corporation High throughput membrane
US9808770B2 (en) 2013-05-14 2017-11-07 Pall Corporation High throughput membrane with channels
US10294267B2 (en) 2013-12-04 2019-05-21 Pall Corporation Membrane with surface channels
US20150190760A1 (en) 2014-01-06 2015-07-09 Pall Corporation Membrane with plurality of charges
US9610548B2 (en) 2014-02-28 2017-04-04 Pall Corporation Composite porous polymeric membrane with high void volume
US9737860B2 (en) 2014-02-28 2017-08-22 Pall Corporation Hollow fiber membrane having hexagonal voids
US9446355B2 (en) 2014-02-28 2016-09-20 Pall Corporation Porous polymeric membrane with high void volume
US9302228B2 (en) 2014-02-28 2016-04-05 Pall Corporation Charged porous polymeric membrane with high void volume
US9764292B2 (en) 2014-02-28 2017-09-19 Pall Corporation Porous polymeric membrane with high void volume
US9776142B2 (en) 2014-02-28 2017-10-03 Pall Corporation Porous polymeric membrane with high void volume
US9561473B2 (en) 2014-02-28 2017-02-07 Pall Corporation Charged hollow fiber membrane having hexagonal voids
US20150246320A1 (en) 2014-02-28 2015-09-03 Pall Corporation Porous polymeric membrane with high void volume
US9260569B2 (en) 2014-06-30 2016-02-16 Pall Corporation Hydrophilic block copolymers and method of preparation thereof (III)
US9718924B2 (en) 2014-06-30 2017-08-01 Pall Corporation Hydrophilic block copolymers and membranes prepared therefrom (II)
US9303133B2 (en) 2014-06-30 2016-04-05 Pall Corporation Hydrophilic membranes and method of preparation thereof (IV)
US9394407B2 (en) 2014-06-30 2016-07-19 Pall Corporation Hydrophilic block copolymers and membranes prepared therefrom (I)
US9469737B2 (en) 2014-08-20 2016-10-18 Pall Corporation Robust polymeric membrane
US9724649B2 (en) 2015-06-25 2017-08-08 Pall Corporation Self-wetting porous membranes (I)
US10239023B2 (en) 2015-06-25 2019-03-26 Pall Corporation Self-wetting porous membranes (II)
EP3574986A1 (en) 2018-05-30 2019-12-04 3M Innovative Properties Company Membrane for capillary microfiltration
EP3756754A1 (en) 2019-06-27 2020-12-30 3M Innovative Properties Company Reactive additives in membrane preparation
EP3756753B1 (en) 2019-06-27 2022-08-31 Sartorius Stedim Biotech GmbH Combination of pyrrolidone based solvents for the production of porous membranes
US20210147628A1 (en) 2019-11-19 2021-05-20 Kyoto University Hydrophilic polyimide, membranes prepared therefrom, and uses thereof
KR102525810B1 (ko) 2021-04-21 2023-04-26 한국화학연구원 다공성 불소계 분리막 및 이의 제조 방법
CN113842792A (zh) * 2021-09-18 2021-12-28 杭州科百特过滤器材有限公司 一种除病毒用不对称的pes滤膜及其制备方法

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US4629563B1 (en) * 1980-03-14 1997-06-03 Memtec North America Asymmetric membranes
CA1202837A (en) * 1980-03-14 1986-04-08 Wolfgang J. Wrasidlo Asymmetric membranes and process therefor
JPS58132111A (ja) * 1982-01-29 1983-08-06 Asahi Chem Ind Co Ltd ポリスルホン中空糸
US4629583A (en) * 1985-06-11 1986-12-16 Jones And Vining, Incorporated Phosphorescent polymer-containing compositions and articles made therefrom
JPS61293502A (ja) * 1985-06-24 1986-12-24 Sumitomo Bakelite Co Ltd 血液浄化用分離膜
JPS6214905A (ja) 1985-07-15 1987-01-23 Fuji Photo Film Co Ltd 微孔性膜の製造方法
US4871494A (en) * 1986-08-15 1989-10-03 Permea, Inc. Process for forming asymmetric gas separation membranes having graded density skins
US5021893A (en) * 1987-12-17 1991-06-04 Duplitronics, Inc. High speed tape duplicating machine
AU692845B2 (en) * 1994-03-04 1998-06-18 Memtec America Corporation Large pore synthetic polymer membranes
US5522991A (en) * 1994-07-20 1996-06-04 Millipore Investment Holdings Limited Cellulosic ultrafiltration membrane

Also Published As

Publication number Publication date
EP1842581A1 (en) 2007-10-10
ATE492334T1 (de) 2011-01-15
JP4388225B2 (ja) 2009-12-24
US5958989A (en) 1999-09-28
AU744080B2 (en) 2002-02-14
JP2001509429A (ja) 2001-07-24
EP0994747A1 (en) 2000-04-26
CA2293802A1 (en) 1999-01-21
AU8181898A (en) 1999-02-08
EP1842581B1 (en) 2010-12-22
WO1999002246A1 (en) 1999-01-21
US5928774A (en) 1999-07-27

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