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
Links
- 239000012528 membrane Substances 0.000 title abstract 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title 1
- 229910052799 carbon Inorganic materials 0.000 title 1
- 239000011148 porous material Substances 0.000 abstract 2
- 241000894006 Bacteria Species 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 abstract 1
- 239000010419 fine particle Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 229920002313 fluoropolymer Polymers 0.000 abstract 1
- -1 polytetrafluoroethylene Polymers 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
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)
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) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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)
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 |
-
1987
- 1987-02-05 US US07/010,947 patent/US4863604A/en not_active Expired - Fee Related
-
1988
- 1988-02-02 WO PCT/US1988/000237 patent/WO1988005687A1/en active IP Right Grant
- 1988-02-02 AT AT88906491T patent/ATE92362T1/de not_active IP Right Cessation
- 1988-02-02 DE DE88906491T patent/DE3882841T2/de not_active Expired - Fee Related
- 1988-02-02 JP JP63501760A patent/JPH01502166A/ja active Pending
- 1988-02-02 EP EP88906491A patent/EP0300038B1/de not_active Expired - Lifetime
- 1988-02-03 CA CA000558032A patent/CA1333469C/en not_active Expired - Fee Related
- 1988-10-05 KR KR1019880701232A patent/KR890700380A/ko not_active Application Discontinuation
- 1988-10-05 FI FI884574A patent/FI884574A/fi not_active Application Discontinuation
- 1988-10-05 NO NO884437A patent/NO174329C/no unknown
- 1988-10-05 DK DK557088A patent/DK557088A/da not_active Application Discontinuation
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 |