AU4002999A - Highly porous polyvinylidene difluoride membranes - Google Patents

Highly porous polyvinylidene difluoride membranes

Info

Publication number
AU4002999A
AU4002999A AU40029/99A AU4002999A AU4002999A AU 4002999 A AU4002999 A AU 4002999A AU 40029/99 A AU40029/99 A AU 40029/99A AU 4002999 A AU4002999 A AU 4002999A AU 4002999 A AU4002999 A AU 4002999A
Authority
AU
Australia
Prior art keywords
highly porous
polyvinylidene difluoride
difluoride membranes
porous polyvinylidene
membranes
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.)
Abandoned
Application number
AU40029/99A
Other languages
English (en)
Inventor
Jerome F. Ditter
I-Fan Wang
Robert Zepf
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 Filtration and Separations Group Inc
Original Assignee
USF Filtration and Separations Group Inc
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 USF Filtration and Separations Group Inc filed Critical USF Filtration and Separations Group Inc
Publication of AU4002999A publication Critical patent/AU4002999A/en
Abandoned 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1638—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate
    • B01D39/1653—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of synthetic origin
    • 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
    • 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
    • B01D67/0013—Casting processes
    • 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
    • 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
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0421—Rendering the filter material hydrophilic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0428—Rendering the filter material hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0622—Melt-blown
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0668—The layers being joined by heat or melt-bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0686—More than one layer present in the filtering material by spot-gluing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1216—Pore size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1291—Other parameters
    • 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
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/40—Details relating to membrane preparation in-situ membrane formation
    • 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
    • B01D2325/20—Specific permeability or cut-off range
    • 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
    • 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.]
    • Y10T428/249978—Voids specified as micro
    • 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
    • Y10T428/29—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Artificial Filaments (AREA)
AU40029/99A 1998-05-18 1999-05-18 Highly porous polyvinylidene difluoride membranes Abandoned AU4002999A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/080,713 US6146747A (en) 1997-01-22 1998-05-18 Highly porous polyvinylidene difluoride membranes
US09080713 1998-05-18
PCT/US1999/011004 WO1999059707A1 (en) 1998-05-18 1999-05-18 Highly porous polyvinylidene difluoride membranes

Publications (1)

Publication Number Publication Date
AU4002999A true AU4002999A (en) 1999-12-06

Family

ID=22159141

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40029/99A Abandoned AU4002999A (en) 1998-05-18 1999-05-18 Highly porous polyvinylidene difluoride membranes

Country Status (6)

Country Link
US (1) US6146747A (https=)
EP (1) EP1009517A1 (https=)
JP (2) JP4221154B2 (https=)
AU (1) AU4002999A (https=)
CA (1) CA2292916A1 (https=)
WO (1) WO1999059707A1 (https=)

Families Citing this family (142)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6045899A (en) * 1996-12-12 2000-04-04 Usf Filtration & Separations Group, Inc. Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters
AU721064B2 (en) 1996-12-20 2000-06-22 Evoqua Water Technologies Llc Scouring method
US7144505B2 (en) * 1997-09-18 2006-12-05 Baxter International Inc. Melt-spun polysulfone semipermeable membranes and methods for making the same
US6641733B2 (en) 1998-09-25 2003-11-04 U. S. Filter Wastewater Group, Inc. Apparatus and method for cleaning membrane filtration modules
AUPP985099A0 (en) 1999-04-20 1999-05-13 Usf Filtration And Separations Group Inc. Membrane filtration manifold system
AUPQ680100A0 (en) 2000-04-10 2000-05-11 Usf Filtration And Separations Group Inc. Hollow fibre restraining system
AU2001264880A1 (en) * 2000-05-24 2001-12-03 The Texas A And M University System Degumming of edible oils by ultrafiltration
US7942274B2 (en) * 2000-05-24 2011-05-17 Millipore Corporation High-throughput asymmetric membrane
US7229665B2 (en) * 2001-05-22 2007-06-12 Millipore Corporation Process of forming multilayered structures
WO2001089672A1 (en) * 2000-05-24 2001-11-29 Millipore Corporation Method of manufacturing membranes and the resulting membranes
US6994789B2 (en) * 2000-08-07 2006-02-07 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
WO2002011868A1 (en) * 2000-08-07 2002-02-14 Cuno, Inc. Unsupported multizone microporous membrane
US6736971B2 (en) * 2000-08-07 2004-05-18 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
AUPR064800A0 (en) 2000-10-09 2000-11-02 Usf Filtration And Separations Group Inc. Improved membrane filtration system
DE60120207T2 (de) * 2000-10-20 2006-10-19 Pall Corp. Laminate von asymmetrischen membranen
AUPR143400A0 (en) * 2000-11-13 2000-12-07 Usf Filtration And Separations Group Inc. Modified membranes
ITMI20010383A1 (it) * 2001-02-26 2002-08-26 Ausimont Spa Membrane idrofiliche porose
US6596167B2 (en) * 2001-03-26 2003-07-22 Koch Membrane Systems, Inc. Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR584301A0 (en) 2001-06-20 2001-07-12 U.S. Filter Wastewater Group, Inc. Membrane polymer compositions
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
AUPR774201A0 (en) 2001-09-18 2001-10-11 U.S. Filter Wastewater Group, Inc. High solids module
DE60213184T2 (de) 2001-11-16 2007-06-28 U.S. Filter Wastewater Group, Inc. Methode zur Reinigung von Membranen
US7247238B2 (en) 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
US7938966B2 (en) 2002-10-10 2011-05-10 Siemens Water Technologies Corp. Backwash method
AU2002953111A0 (en) 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
DE602004013731D1 (de) * 2003-03-05 2008-06-26 Hydranautics Tauchbares membranmodul mit austauschbaren membranelementen
US20040256310A1 (en) * 2003-06-19 2004-12-23 Cheng Dah Yu Method of producing a porous membrane and waterproof, highly breathable fabric including the membrane
AU2003903507A0 (en) 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
US7165682B1 (en) * 2003-07-16 2007-01-23 Accord Partner Limited Defect free composite membranes, method for producing said membranes and use of the same
WO2005014151A1 (en) * 2003-08-06 2005-02-17 Zhejiang Omex Environmental Engineering Ltd. The preparation method of exo-pressure type poly(vinylidene fluoride) hollow fiber membrane spinned utilizing a immersion-coagulation method and the product thereof
US7172075B1 (en) * 2003-08-08 2007-02-06 Accord Partner Limited Defect free composite membranes, method for producing said membranes and use of the same
US8268176B2 (en) 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
US7517581B2 (en) * 2003-09-26 2009-04-14 Parker-Hannifin Corporation Semipermeable hydrophilic membrane
AU2004289373B2 (en) 2003-11-14 2010-07-29 Evoqua Water Technologies Llc Improved module cleaning method
US20100166961A1 (en) * 2004-01-20 2010-07-01 Beard Kirby W Production of high porosity open-cell membranes
WO2005092799A1 (en) 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
AU2005240524C1 (en) 2004-04-22 2009-12-24 Evoqua Water Technologies Llc Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
US20080004205A1 (en) 2006-06-30 2008-01-03 Millipore Corporation Ultrafiltration membranes and methods of making
US7819956B2 (en) 2004-07-02 2010-10-26 Siemens Water Technologies Corp. Gas transfer membrane
EP1773477B1 (en) 2004-07-05 2011-09-07 Siemens Water Technologies Corp. Hydrophilic membranes
JP4958779B2 (ja) 2004-08-20 2012-06-20 シーメンス・ウォーター・テクノロジーズ・コーポレイション 正方形のｍｂｒマニホールド・システム
WO2006026814A1 (en) 2004-09-07 2006-03-16 Siemens Water Technologies Corp. Reduction of backwash liquid waste
JP4896025B2 (ja) 2004-09-14 2012-03-14 シーメンス・ウォーター・テクノロジーズ・コーポレイション 膜モジュールから固形分を除去するための方法および装置
JP4954880B2 (ja) 2004-09-15 2012-06-20 シーメンス・ウォーター・テクノロジーズ・コーポレーション 連続的に変化する通気
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
EP1827664B1 (en) 2004-12-03 2011-06-08 Siemens Industry, Inc. Membrane post treatment
EP1838422A4 (en) 2004-12-24 2009-09-02 Siemens Water Tech Corp EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE
WO2006066319A1 (en) 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Cleaning in membrane filtration systems
CN101184548B (zh) 2005-04-29 2011-10-05 西门子水技术公司 用于膜滤器的化学清洗剂
KR20080031956A (ko) 2005-07-14 2008-04-11 지멘스 워터 테크놀로지스 코포레이션 막의 모노퍼술페이트 처리 방법
JP2009504399A (ja) 2005-08-22 2009-02-05 シーメンス・ウォーター・テクノロジーズ・コーポレーション 管状マニホールドを使用して逆洗を最小化する水濾過のためのアセンブリ
WO2007044345A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
WO2007147167A2 (en) * 2006-06-16 2007-12-21 Porous Power Technologies, Llc Optimized microporous structure of electrochemical cells
AU2006346599B8 (en) * 2006-07-25 2011-06-09 Toray Industries, Inc. Fluororesin polymer separation membrane and process for producing the same
US20080057811A1 (en) * 2006-08-31 2008-03-06 Kimberly-Clark Worldwide, Inc. Multifunctional hydrogel-web composites for enhanced absorbency applications and methods of making the same
US7678716B2 (en) * 2006-08-31 2010-03-16 Kimberly-Clark Worldwide, Inc. Hydrogel-web composites for thermal energy transfer applications and methods of making the same
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US20100147763A1 (en) * 2007-01-24 2010-06-17 Whatman, Inc. Modified porous membranes, methods of membrane pore modification, and methods of use thereof
CN100450598C (zh) * 2007-03-06 2009-01-14 天津大学 制备力学性能良好的pvdf超细纤维膜的方法
WO2008123972A1 (en) 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
DE102007019051B3 (de) * 2007-04-23 2008-10-09 Fresenius Medical Care Deutschland Gmbh Hohlfaserkapillarmembran und Verfahren zu deren Herstellung
AU2008263139B2 (en) 2007-05-29 2011-08-25 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
US20090208832A1 (en) * 2008-02-17 2009-08-20 Porous Power Technologies, Llc Lamination Configurations for Battery Applications Using PVDF Highly Porous Film
US20090227163A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Protective Apparel with Porous Material Layer
US20090223155A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Building Construction Applications for Porous Material
US20090222995A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Bedding Applications for Porous Material
US20090226683A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Porous Material Uses in Furniture
JP2013500144A (ja) 2008-07-24 2013-01-07 シーメンス インダストリー インコーポレイテッド 濾過システムにおける濾過膜モジュールアレイに対して構造的支持を施すための方法および濾過システム
NZ591259A (en) 2008-08-20 2013-02-22 Siemens Industry Inc A hollow membrane filter backwash system using gas pressurised at at least two pressures feed from the down stream side to push water through the filter to clean it
US8758625B2 (en) * 2008-09-26 2014-06-24 Asahi Kasei Chemicals Corporation Use of porous hollow-fiber membrane for producing clarified biomedical culture medium
KR101714535B1 (ko) 2008-12-22 2017-03-09 삼성전자주식회사 탈이온화 장치 및 그 제어방법
US20100178567A1 (en) * 2008-12-24 2010-07-15 Porous Power Technologies, Llc Mat Forming Spacers in Microporous Membrane Matrix
JP2012527738A (ja) 2009-05-20 2012-11-08 ポーラス パワー テクノロジーズ，エルエルシー 微多孔膜の処理と接着剤
AU2010101488B4 (en) 2009-06-11 2013-05-02 Evoqua Water Technologies Llc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
KR101342187B1 (ko) * 2009-07-22 2013-12-16 미쯔비시 레이온 가부시끼가이샤 다공질막의 제조 방법
WO2011126001A1 (ja) * 2010-04-05 2011-10-13 三菱レイヨン株式会社 多孔質膜の製造方法
CN101879417B (zh) * 2010-04-23 2011-11-23 苏州膜华材料科技有限公司 含有pmma的中空纤维膜及其制法
CN101890304B (zh) * 2010-04-23 2011-11-23 苏州膜华材料科技有限公司 一种具有三维互穿网络的多孔膜及制法
CN101890307B (zh) * 2010-04-23 2011-11-23 苏州膜华材料科技有限公司 一种具有密度梯度孔的中空纤维膜及制法
CN101890308B (zh) * 2010-04-23 2011-11-23 苏州膜华材料科技有限公司 一种外压式中空纤维超滤膜及制法
CN101890309B (zh) * 2010-04-23 2012-11-14 苏州膜华材料科技有限公司 一种热致相法制备中空纤维膜的方法
CN101920173B (zh) * 2010-04-23 2011-11-23 苏州膜华材料科技有限公司 以乙二醇碳酸酯和二甘醇为稀释剂的超滤膜及其制法
CN101890303B (zh) * 2010-04-23 2011-11-23 苏州膜华材料科技有限公司 一种具有非对称结构的中空纤维膜及制法
ES2738898T3 (es) 2010-04-30 2020-01-27 Evoqua Water Tech Llc Dispositivo de distribución de flujo de fluido
AU2011305377B2 (en) 2010-09-24 2014-11-20 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
KR20120089782A (ko) 2010-12-15 2012-08-13 삼성전자주식회사 휴대용 단말의 메시지 관리를 위한 인터페이스 방법
CN102151496B (zh) * 2011-01-20 2013-04-03 成都市青白江区富发膜过滤器材有限公司 聚乙烯醇缩甲醛(pvf)微滤膜的制备方法
US8840791B2 (en) 2011-09-01 2014-09-23 Pall Corporation Multilayer microfiltration membrane
KR101907725B1 (ko) 2011-09-23 2018-10-12 더블유.엘. 고어 앤드 어소시에이트스, 인코포레이티드 표면 개질된 플루오로 중합체 막 및 이의 제조 방법
CN103958034B (zh) 2011-09-30 2017-03-22 伊沃夸水处理技术有限责任公司 隔离阀
CA2850309C (en) 2011-09-30 2020-01-07 Evoqua Water Technologies Llc Improved manifold arrangement
KR101462939B1 (ko) * 2011-11-16 2014-11-19 엘지전자 주식회사 친수성 폴리불화비닐리덴계 중공사 분리막 및 이의 제조방법
US9005496B2 (en) 2012-02-01 2015-04-14 Pall Corporation Asymmetric membranes
CN102600733B (zh) * 2012-03-28 2014-03-19 天津工业大学 一种同质增强型聚偏氟乙烯中空纤维膜的制备方法
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
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
AU2013231145B2 (en) 2012-09-26 2017-08-17 Evoqua Water Technologies Llc Membrane potting methods
CN104684631A (zh) 2012-09-26 2015-06-03 伊沃夸水处理技术有限责任公司 膜固定设备
EP2900356A1 (en) 2012-09-27 2015-08-05 Evoqua Water Technologies LLC Gas scouring apparatus for immersed membranes
US10898865B2 (en) * 2013-01-31 2021-01-26 American University In Cairo (AUC) Polymer-carbon nanotube nanocomposite porous membranes
JP3183331U (ja) * 2013-02-22 2013-05-16 紀男 池山 外圧式中空糸膜の構造
US20140339165A1 (en) 2013-05-14 2014-11-20 Pall Corporation High throughput membrane with rough surface
US9782730B2 (en) * 2013-05-14 2017-10-10 Honeywell International Inc. 1234YF- and 1234ZE-based polymeric membrane materials, membrane preparations and uses thereof
US9808770B2 (en) 2013-05-14 2017-11-07 Pall Corporation High throughput membrane with channels
US20140339164A1 (en) 2013-05-14 2014-11-20 Pall Corporation High throughput membrane
US10946345B2 (en) 2013-05-29 2021-03-16 Em Innovative Properties Company Microporous polyvinylidene fluoride membrane
KR102031142B1 (ko) 2013-07-12 2019-10-11 삼성전자주식회사 영상 디스플레이를 제어하는 전자 장치 및 방법
SG11201600289UA (en) * 2013-07-18 2016-02-26 Kuraray Co Hydrophilised vinylidene fluoride-based porous hollow fibre membrane, and manufacturing method therefor
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
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
US9776142B2 (en) 2014-02-28 2017-10-03 Pall Corporation Porous polymeric membrane with high void volume
US20150246320A1 (en) 2014-02-28 2015-09-03 Pall Corporation Porous polymeric membrane with high void volume
US9764292B2 (en) 2014-02-28 2017-09-19 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
US9446355B2 (en) 2014-02-28 2016-09-20 Pall Corporation Porous polymeric membrane with high void volume
US9737860B2 (en) 2014-02-28 2017-08-22 Pall Corporation Hollow fiber membrane having hexagonal voids
US9561473B2 (en) 2014-02-28 2017-02-07 Pall Corporation Charged hollow fiber membrane having hexagonal voids
US9610548B2 (en) 2014-02-28 2017-04-04 Pall Corporation Composite porous polymeric membrane with high void volume
WO2015146469A1 (ja) * 2014-03-26 2015-10-01 株式会社クラレ 中空糸膜、及び中空糸膜の製造方法
US9469737B2 (en) 2014-08-20 2016-10-18 Pall Corporation Robust polymeric membrane
CN107073411B (zh) 2014-11-03 2021-05-07 3M创新有限公司 微孔聚偏二氟乙烯平膜
WO2016168644A1 (en) * 2015-04-17 2016-10-20 Georgia Tech Research Corporation Hollow fiber membranes for solubilizing a gas into a liquid, devices for same, and processes of same
US10239023B2 (en) 2015-06-25 2019-03-26 Pall Corporation Self-wetting porous membranes (II)
US9724649B2 (en) 2015-06-25 2017-08-08 Pall Corporation Self-wetting porous membranes (I)
WO2017011068A1 (en) 2015-07-14 2017-01-19 Evoqua Water Technologies Llc Aeration device for filtration system
CN105536571A (zh) * 2015-12-25 2016-05-04 成都美富特膜科技有限公司 一种用于制作碟片式膜片的铸膜液
CN108211808B (zh) * 2017-12-13 2020-12-08 浙江长兴求是膜技术有限公司 一种食品级聚偏氟乙烯膜及其制造方法
CN107974754A (zh) * 2017-12-27 2018-05-01 安徽六顺创业特种滤材有限公司 一种聚四氟乙烯纤维滤布及其生产工艺
CN109251765B (zh) * 2018-10-31 2020-05-05 中国石油大学(华东) 一种石脑油中提取有机硫化物的聚氨酯/聚偏氟乙烯复合膜及其制备方法
JP7424768B2 (ja) * 2019-08-08 2024-01-30 株式会社フジミインコーポレーテッド 研磨用添加剤含有液の濾過方法、研磨用添加剤含有液、研磨用組成物、研磨用組成物の製造方法およびフィルタ
CN110652888B (zh) * 2019-11-13 2021-09-17 湖北瑞滤膜科技有限公司 带内衬低压自流型聚偏氟乙烯中空纤维复合膜及制备方法
US20210316173A1 (en) * 2020-04-09 2021-10-14 Nile Hudson LLC Face Mask With Replaceable Filter
CN114345138B (zh) * 2022-01-12 2022-10-25 苏州名列膜材料有限公司 非对称平板微孔膜的铸膜液及pvdf平板微孔膜制备方法
CN116747721A (zh) * 2023-06-09 2023-09-15 浙江泰林生命科学有限公司 结构可控非对称复合超滤膜、制备方法及其应用
CN117482752B (zh) * 2024-01-02 2024-04-19 赛普(杭州)过滤科技有限公司 一种各向异性微滤膜及其制备方法和应用

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US4203848A (en) * 1977-05-25 1980-05-20 Millipore Corporation Processes of making a porous membrane material from polyvinylidene fluoride, and products
JPS5656202A (en) * 1979-10-15 1981-05-18 Asahi Chem Ind Co Ltd Hollow porous membrane yarn made of polyvinylidene fluoride type resin
US4629563B1 (en) * 1980-03-14 1997-06-03 Memtec North America Asymmetric membranes
US4774039A (en) * 1980-03-14 1988-09-27 Brunswick Corporation Dispersing casting of integral skinned highly asymmetric polymer membranes
US4384047A (en) * 1980-03-28 1983-05-17 Pennwalt Corporation Porous vinylidene fluoride polymer membrane and process for its preparation
EP0133882B1 (de) * 1983-07-30 1990-04-04 Akzo Patente GmbH Poren aufweisende Formkörper
JPS60216804A (ja) * 1984-04-13 1985-10-30 Teijin Ltd ポリフツ化ビニリデン系多孔中空糸膜およびその製造方法
JPS6214905A (ja) * 1985-07-15 1987-01-23 Fuji Photo Film Co Ltd 微孔性膜の製造方法
JPS6227006A (ja) * 1985-07-27 1987-02-05 Fuji Photo Film Co Ltd 微孔性膜
US4774132A (en) * 1986-05-01 1988-09-27 Pall Corporation Polyvinylidene difluoride structure
NL8602402A (nl) * 1986-09-23 1988-04-18 X Flow Bv Werkwijze voor de vervaardiging van hydrofiele membranen en dergelijke membranen.
US5019260A (en) * 1986-12-23 1991-05-28 Pall Corporation Filtration media with low protein adsorbability
JPH03186324A (ja) * 1989-12-15 1991-08-14 Nok Corp 多孔質中空糸膜の製造方法
US5188734A (en) * 1991-03-26 1993-02-23 Memtec America Corporation Ultraporous and microporous integral membranes
US5171445A (en) * 1991-03-26 1992-12-15 Memtec America Corporation Ultraporous and microporous membranes and method of making membranes
DE69322776T2 (de) * 1992-05-06 1999-08-05 Costar Corp., Cambridge, Mass. Verfahren zur herstellung einer mikroporösen polyvinylidenfluorid-membran
US5282971A (en) * 1993-05-11 1994-02-01 Pall Corporation Positively charged polyvinylidene fluoride membrane
JP3310732B2 (ja) * 1993-08-31 2002-08-05 富士写真フイルム株式会社 金属含有溶液の処理方法
US5514461A (en) * 1993-10-05 1996-05-07 Kureha Chemical Industry Co., Ltd. Vinylidene fluoride porous membrane and method of preparing the same
AU723265B2 (en) * 1996-01-22 2000-08-24 Usf Filtration And Separations Group Inc. Highly porous polyvinylidene difluoride membranes

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