NO174329C - Mikroporös polyfluorkarbonmembran og fremgangsmåte for dens fremstilling - Google Patents

Mikroporös polyfluorkarbonmembran og fremgangsmåte for dens fremstilling

Info

Publication number
NO174329C
NO174329C NO884437A NO884437A NO174329C NO 174329 C NO174329 C NO 174329C NO 884437 A NO884437 A NO 884437A NO 884437 A NO884437 A NO 884437A NO 174329 C NO174329 C NO 174329C
Authority
NO
Norway
Prior art keywords
microporous
preparation
membrane
membranes
average pore
Prior art date
Application number
NO884437A
Other languages
English (en)
Other versions
NO174329B (no
NO884437D0 (no
NO884437L (no
Inventor
Lawrence Y Lo
Dwight J Thomas
Original Assignee
Parker Hannifin 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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Publication of NO884437D0 publication Critical patent/NO884437D0/no
Publication of NO884437L publication Critical patent/NO884437L/no
Publication of NO174329B publication Critical patent/NO174329B/no
Publication of NO174329C publication Critical patent/NO174329C/no

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
    • B01D71/36—Polytetrafluoroethene
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Materials For Medical Uses (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
NO884437A 1987-02-05 1988-10-05 Mikroporös polyfluorkarbonmembran og fremgangsmåte for dens fremstilling NO174329C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/010,947 US4863604A (en) 1987-02-05 1987-02-05 Microporous asymmetric polyfluorocarbon membranes
PCT/US1988/000237 WO1988005687A1 (en) 1987-02-05 1988-02-02 Microporous asymmetric polyfluorocarbon membranes

Publications (4)

Publication Number Publication Date
NO884437D0 NO884437D0 (no) 1988-10-05
NO884437L NO884437L (no) 1988-12-02
NO174329B NO174329B (no) 1994-01-10
NO174329C true NO174329C (no) 1994-04-20

Family

ID=21748168

Family Applications (1)

Application Number Title Priority Date Filing Date
NO884437A NO174329C (no) 1987-02-05 1988-10-05 Mikroporös polyfluorkarbonmembran og fremgangsmåte for dens fremstilling

Country Status (11)

Country Link
US (1) US4863604A (no)
EP (1) EP0300038B1 (no)
JP (1) JPH01502166A (no)
KR (1) KR890700380A (no)
AT (1) ATE92362T1 (no)
CA (1) CA1333469C (no)
DE (1) DE3882841T2 (no)
DK (1) DK557088A (no)
FI (1) FI884574A0 (no)
NO (1) NO174329C (no)
WO (1) WO1988005687A1 (no)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5094895A (en) * 1989-04-28 1992-03-10 Branca Phillip A Composite, porous diaphragm
DE69014853T2 (de) * 1989-12-07 1995-05-04 Daikin Ind Ltd Verfahren zur Herstellung von porösen, mehrschichtigen Membranen aus Polytetrafluoräthylen und mehrschichtige Struktur aus teilweise gesintertem Polytetrafluoräthylen.
US5225131A (en) * 1989-12-07 1993-07-06 Daikin Industries, Ltd. Process for producing multilayer polytetrafluoroethylene porous membrane and semisintered polytetrafluoroethylene multilayer structure
US5154827A (en) * 1990-01-22 1992-10-13 Parker-Nannifin Corporation Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same
US5071610A (en) * 1990-02-23 1991-12-10 Minnesota Mining And Manufacturing Company Method of making a controlled pore composite polytetrafluoroethylene
US5147539A (en) * 1990-02-23 1992-09-15 Minnesota Mining And Manufacturing Company Controlled pore composite polytetrafluoroethylene article
US5207915A (en) * 1990-02-23 1993-05-04 Minnesota Mining And Manufacturing Company Separation method using controlled pore composite polytetrafluoroethylene article
US5275738A (en) * 1992-06-10 1994-01-04 Pall Corporation Filter device for acids and process for filtering inorganic acids
US5433859A (en) * 1993-07-12 1995-07-18 Pall Corporation Supported microporous filtration membrane and method of using same
WO1995002447A1 (en) * 1993-07-16 1995-01-26 E.I. Du Pont De Nemours And Company Asymmetric membranes of polytetrafluoroethylene and their preparation
USRE37307E1 (en) 1994-11-14 2001-08-07 W. L. Gore & Associates, Inc. Ultra-thin integral composite membrane
US6054230A (en) * 1994-12-07 2000-04-25 Japan Gore-Tex, Inc. Ion exchange and electrode assembly for an electrochemical cell
US6235377B1 (en) * 1995-09-05 2001-05-22 Bio Med Sciences, Inc. Microporous membrane with a stratified pore structure created in situ and process
US5981614A (en) * 1996-09-13 1999-11-09 Adiletta; Joseph G. Hydrophobic-oleophobic fluoropolymer compositions
US6635384B2 (en) * 1998-03-06 2003-10-21 Gore Enterprise Holdings, Inc. Solid electrolyte composite for electrochemical reaction apparatus
US6103172A (en) 1998-04-07 2000-08-15 Pall Corporation Method of preparaing a porous polytetrafluoroethylene membranne
US6015499A (en) * 1998-04-17 2000-01-18 Parker-Hannifin Corporation Membrane-like filter element for chemical mechanical polishing slurries
US6260709B1 (en) 1998-11-09 2001-07-17 Parker-Hannifin Corporation Membrane filter element for chemical-mechanical polishing slurries
CN2361642Y (zh) * 1999-02-02 2000-02-02 王国诚 电解槽多层可渗透膜隔膜
US6358893B1 (en) 2000-06-20 2002-03-19 Stoner, Inc. Aerosol composition containing silicone-based fluid and improved spray system
KR100409017B1 (ko) * 2000-06-23 2003-12-06 주식회사 엘지화학 다성분계 복합 분리막 및 그의 제조방법
AU2001291212A1 (en) * 2000-10-20 2002-05-06 Usf Filtration And Separations Group Inc. Laminates of asymmetric membranes
US6596112B1 (en) * 2000-10-20 2003-07-22 Pall Corporation Laminates of asymmetric membranes
US6770086B1 (en) * 2000-11-02 2004-08-03 Scimed Life Systems, Inc. Stent covering formed of porous polytetraflouroethylene
US6613203B1 (en) 2001-09-10 2003-09-02 Gore Enterprise Holdings Ion conducting membrane having high hardness and dimensional stability
AU2002365088A1 (en) * 2001-10-30 2003-07-09 University Of Delaware Rapid high-throughput screen for detecting biological species in ballast water
US8895139B2 (en) * 2003-03-27 2014-11-25 Robert Roberts Isotropic nano crystallites of polytetrafluoroethylene (PTFE) resin and products thereof that are biaxially planar oriented and form stable
US20050003216A1 (en) * 2003-06-30 2005-01-06 Jean-Marc Frances Microparticle containing silicone release coatings having improved anti-block and release properties
TWM253540U (en) * 2004-02-27 2004-12-21 Hsin Lung Accessories Co Ltd Seat retaining structure for bicycle
US20060292324A1 (en) * 2004-03-26 2006-12-28 Robert Roberts Uniaxially and biaxially-oriented polytetrafluoroethylene structures
CN101107063B (zh) * 2004-12-22 2011-04-13 安格斯公司 多层多孔膜和制备方法
US9795897B2 (en) * 2006-11-08 2017-10-24 Donaldson Company, Inc. Systems, articles, and methods for removing water from hydrocarbon fluids
US20090250390A1 (en) * 2007-01-24 2009-10-08 Wix Filtration Corp Llc Filter
JP5220369B2 (ja) * 2007-09-04 2013-06-26 富士フイルム株式会社 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
US9790343B2 (en) 2008-06-12 2017-10-17 Avery Dennison Corporation Porous material and method for producing the same
EP2285870B1 (en) * 2008-06-12 2015-09-30 Avery Dennison Corporation Material and method for producing the same
EP2355915B1 (en) * 2008-12-09 2018-03-14 E. I. du Pont de Nemours and Company Method for selective removal of large particles from particle slurries
US9944044B2 (en) 2010-05-06 2018-04-17 W. L. Gore & Associates, Inc. Contamination resistant air permeable fabric laminate and garments made therefrom
EP2758155B1 (en) 2011-09-23 2019-01-09 W. L. Gore & Associates, Inc. Surface-modified fluoropolymer membrane and method of its production
CA3100510A1 (en) 2012-08-21 2014-02-27 Vertera, Inc. Systems and methods for making porous films, fibers, spheres, and other articles
US9573339B2 (en) 2013-01-18 2017-02-21 W. L. Gore & Associates, Inc. Low gloss, air permeable, abrasion resistant, printable laminate containing an asymmetric membrane and articles made therefrom
US9517593B2 (en) 2014-06-26 2016-12-13 Vertera, Inc. Apparatus and process for producing porous devices
US9504550B2 (en) 2014-06-26 2016-11-29 Vertera, Inc. Porous devices and processes for producing same
US9085665B1 (en) 2014-12-31 2015-07-21 Vertera, Inc. Method for producing porous material
US9498922B2 (en) 2014-06-26 2016-11-22 Vertera, Inc. Apparatus and process for producing porous devices
US9073014B1 (en) * 2014-10-01 2015-07-07 Kuwait Institute For Scientific Research Nanocomposite mixed-matrix membrane
USD815281S1 (en) 2015-06-23 2018-04-10 Vertera, Inc. Cervical interbody fusion device
CN117861465A (zh) * 2022-12-19 2024-04-12 飞潮(上海)新材料股份有限公司 一种具有梯度孔结构的聚四氟乙烯膜及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342911A (en) * 1962-10-29 1967-09-19 Funahashi Takaji Process for producing composite porous material
US3930886A (en) * 1971-11-11 1976-01-06 Leesona Corporation Porous fluoro-carbon polymer matrices
JPS5522504B2 (no) * 1972-12-05 1980-06-17
US4234535A (en) * 1976-04-29 1980-11-18 Sumitomo Electric Industries, Ltd. Process for producing porous polytetrafluoroethylene tubings
JPS603842B2 (ja) * 1976-09-03 1985-01-31 住友電気工業株式会社 非対称孔径薄膜材料とその製造方法
US4170540A (en) * 1978-03-31 1979-10-09 Hooker Chemicals & Plastics Corp. Method for forming microporous membrane materials
US4478898A (en) * 1982-06-04 1984-10-23 Junkosha Co., Ltd. Laminated porous polytetrafluoroethylene tube and its process of manufacture
DE3305854C1 (de) * 1983-02-19 1984-09-06 Schott Glaswerke, 6500 Mainz Verfahren zur Herstellung von poroesem Sinterglas mit grossem offenem Porenvolumen
US4824568A (en) * 1986-05-16 1989-04-25 Millipore Corporation Composite ultrafiltration membranes

Also Published As

Publication number Publication date
NO174329B (no) 1994-01-10
CA1333469C (en) 1994-12-13
NO884437D0 (no) 1988-10-05
JPH01502166A (ja) 1989-08-03
WO1988005687A1 (en) 1988-08-11
DE3882841T2 (de) 1993-11-18
EP0300038A4 (en) 1990-01-08
DE3882841D1 (de) 1993-09-09
FI884574A (fi) 1988-10-05
DK557088D0 (da) 1988-10-05
EP0300038A1 (en) 1989-01-25
FI884574A0 (fi) 1988-10-05
EP0300038B1 (en) 1993-08-04
KR890700380A (ko) 1989-04-24
US4863604A (en) 1989-09-05
ATE92362T1 (de) 1993-08-15
DK557088A (da) 1988-10-05
NO884437L (no) 1988-12-02

Similar Documents

Publication Publication Date Title
NO174329C (no) Mikroporös polyfluorkarbonmembran og fremgangsmåte for dens fremstilling
ATE148838T1 (de) Hydrophile membrane, hergestellt aus polyäthersulfon-/poly-2- oxazolin/polyvinylpyrrolidon-mischung
HU9200080D0 (en) Membranefor separating viruses from solutions
ATE106273T1 (de) Asymmetrische halbdurchlässige membran zur behandlung von biologischen flüssigkeiten.
KR890006221A (ko) 발열물질의 제거방법
ATE314135T1 (de) Plasmabehandlung von porösen materialien
DK195686D0 (da) Fremgangsmaade til separering af bioteknologisk fremstillede vaerdifulde stoffer ved tvaerstroemsmikrofiltrering
HUT43501A (en) Diaphragm structure preferably for ultra-filtration
Szczerbińska et al. Assessment of air-gap membrane distillation with hydrophobic porous membranes utilized for damaged paintings humidification
EP1884534A3 (de) Modifikation von verstreckten Folien
Nnadozie et al. Selective isolation of bacteria for metagenomic analysis: Impact of membrane characteristics on bacterial filterability
DK495388D0 (da) Fremgangsmaade til udskillelse af bioteknologisk fremstillede vaerdifulde stoffer fra en fermenteringssuppe ved tvaerstroems, -mikro- og/eller ultrafiltrering
BR9908971A (pt) Processo para separar de maneira seletiva conforme seu tamanho os glóbulos de gordura presentes em um meio alimentìcio ou biológico, produtos, e aplicações de produtos
DK163570C (da) Kompositmateriale, fremgangsmaade til dets fremstilling og dets anvendelse til osmotisk rensning af vaesker
CN109806769B (zh) 一种改性石墨相氮化碳材料纳滤膜制备方法
NO172029C (no) Fremgangsmaate for utskilling av faste partikler med forskjellige stoerrelser fra viskoese fluida
Leahy Validation of bacterial retention by membrane filtration: a proposed approach for determining sterility assurance
Colloquium Summer School on Membrane Science and Technology Lanzhou, Gansu Province, People’s Republic of China August 15-29, 1986
Mansourpanah Nanofiltration membranes
DK0601067T3 (da) Semipermeable gasseparationsmembraner med nonioniske overfladeaktive midler placeret på en membranoverflade eller inden i membranstrukturen samt fremgangsmåder til fremstilling og anvendelse heraf
BG50306A2 (en) Method preparing of a semi-permeable membrane
Kedem Membrane processes in separation and purification: JG Crespo and KW Böddeker (Eds.), Kluwer Academic, Dordrecht, The Netherlands. ISBN 0-7923-2929-5, July 1994, 620 pp., Dfl. 385.00, US $219.50,£ 150.00.
Paleichuk et al. Peculiarities of reverse-osmotic separation of ethonium preparation aqueous solution.
GB2267846A (en) Membrane separation process and apparatus for the separation
JPS57152887A (en) Treatment of liquid