DE3882841D1 - Mikroporoese asymmetrische polyfluorkohlenstoffmembrane. - Google Patents

Mikroporoese asymmetrische polyfluorkohlenstoffmembrane.

Info

Publication number
DE3882841D1
DE3882841D1 DE8888906491T DE3882841T DE3882841D1 DE 3882841 D1 DE3882841 D1 DE 3882841D1 DE 8888906491 T DE8888906491 T DE 8888906491T DE 3882841 T DE3882841 T DE 3882841T DE 3882841 D1 DE3882841 D1 DE 3882841D1
Authority
DE
Germany
Prior art keywords
polyfluorine
microporous
carbon membrane
asymmetric
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.)
Expired - Fee Related
Application number
DE8888906491T
Other languages
English (en)
Other versions
DE3882841T2 (de
Inventor
Lawrence Lo
Dwight Thomas
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.)
Parker Hannifin Corp
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 DE3882841D1 publication Critical patent/DE3882841D1/de
Application granted granted Critical
Publication of DE3882841T2 publication Critical patent/DE3882841T2/de
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
    • 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)
DE88906491T 1987-02-05 1988-02-02 Mikroporöse asymmetrische polyfluorkohlenstoffmembrane. Expired - Fee Related DE3882841T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE3882841D1 true DE3882841D1 (de) 1993-09-09
DE3882841T2 DE3882841T2 (de) 1993-11-18

Family

ID=21748168

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88906491T Expired - Fee Related DE3882841T2 (de) 1987-02-05 1988-02-02 Mikroporöse asymmetrische polyfluorkohlenstoffmembrane.

Country Status (11)

Country Link
US (1) US4863604A (de)
EP (1) EP0300038B1 (de)
JP (1) JPH01502166A (de)
KR (1) KR890700380A (de)
AT (1) ATE92362T1 (de)
CA (1) CA1333469C (de)
DE (1) DE3882841T2 (de)
DK (1) DK557088A (de)
FI (1) FI884574A (de)
NO (1) NO174329C (de)
WO (1) WO1988005687A1 (de)

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US5094895A (en) * 1989-04-28 1992-03-10 Branca Phillip A Composite, porous diaphragm
US5225131A (en) * 1989-12-07 1993-07-06 Daikin Industries, Ltd. Process for producing multilayer polytetrafluoroethylene porous membrane and semisintered polytetrafluoroethylene multilayer structure
PL288122A1 (en) * 1989-12-07 1991-08-26 Daikin Ind Ltd Method of obtaining a multilayer porous polyterafluoroethylene membrane and partially sintered miltilayer polytetrafluoroethylene product
US5154827A (en) * 1990-01-22 1992-10-13 Parker-Nannifin Corporation Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same
US5147539A (en) * 1990-02-23 1992-09-15 Minnesota Mining And Manufacturing Company Controlled pore composite polytetrafluoroethylene article
US5071610A (en) * 1990-02-23 1991-12-10 Minnesota Mining And Manufacturing Company Method of making a controlled pore composite polytetrafluoroethylene
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
US6596112B1 (en) 2000-10-20 2003-07-22 Pall Corporation Laminates of asymmetric membranes
DE60120207T2 (de) * 2000-10-20 2006-10-19 Pall Corp. Laminate von asymmetrischen membranen
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
WO2003053855A2 (en) * 2001-10-30 2003-07-03 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
US8758887B2 (en) * 2004-12-22 2014-06-24 Entegris, Inc. Multilayer porous membrane and process
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
EP2439226B1 (de) * 2008-06-12 2017-11-15 Avery Dennison Corporation Material und Verfahren zu dessen Herstellung
US9790343B2 (en) 2008-06-12 2017-10-17 Avery Dennison Corporation Porous material and method for producing the same
CN104107589B (zh) * 2008-12-09 2017-09-12 纳幕尔杜邦公司 用于从颗粒浆液中选择性移除大颗粒的过滤器
US9944044B2 (en) 2010-05-06 2018-04-17 W. L. Gore & Associates, Inc. Contamination resistant air permeable fabric laminate and garments made therefrom
JP6039673B2 (ja) 2011-09-23 2016-12-07 ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティドＷ．Ｌ． Ｇｏｒｅ ＆ Ａｓｓｏｃｉａｔｅｓ， Ｉｎｃｏｒｐｏｒａｔｅｄ 表面変性フルオロポリマーメンブレン及びその製造方法
ES2831082T3 (es) 2012-08-21 2021-06-07 Vertera Inc Método para formar partículas poliméricas porosas
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
US9504550B2 (en) 2014-06-26 2016-11-29 Vertera, Inc. Porous devices and processes for producing same
US9517593B2 (en) 2014-06-26 2016-12-13 Vertera, Inc. Apparatus and process for producing porous devices
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 (de) * 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
EP0300038A4 (de) 1990-01-08
NO884437D0 (no) 1988-10-05
DK557088D0 (da) 1988-10-05
FI884574A0 (fi) 1988-10-05
WO1988005687A1 (en) 1988-08-11
JPH01502166A (ja) 1989-08-03
EP0300038A1 (de) 1989-01-25
EP0300038B1 (de) 1993-08-04
NO174329C (no) 1994-04-20
FI884574A (fi) 1988-10-05
US4863604A (en) 1989-09-05
CA1333469C (en) 1994-12-13
KR890700380A (ko) 1989-04-24
DK557088A (da) 1988-10-05
NO174329B (no) 1994-01-10
NO884437L (no) 1988-12-02
DE3882841T2 (de) 1993-11-18
ATE92362T1 (de) 1993-08-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee