WO1989012490A3 - Membrane composite - Google Patents
Membrane composite Download PDFInfo
- Publication number
- WO1989012490A3 WO1989012490A3 PCT/US1989/002617 US8902617W WO8912490A3 WO 1989012490 A3 WO1989012490 A3 WO 1989012490A3 US 8902617 W US8902617 W US 8902617W WO 8912490 A3 WO8912490 A3 WO 8912490A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- porous
- composite membrane
- perfluoro
- pores
- exterior
- Prior art date
Links
Classifications
-
- 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2275—Heterogeneous membranes
- C08J5/2281—Heterogeneous membranes fluorine containing heterogeneous membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/40—Semi-permeable membranes or partitions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Polymers & Plastics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1509527A JPH0667462B2 (ja) | 1988-06-15 | 1989-06-15 | 複合膜 |
DE1989603336 DE68903336T2 (de) | 1988-06-15 | 1989-06-15 | Kompositmembran. |
HK128493A HK128493A (en) | 1988-06-15 | 1993-11-18 | Composite membrane |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/206,884 US4902308A (en) | 1988-06-15 | 1988-06-15 | Composite membrane |
US206,884 | 1988-06-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1989012490A2 WO1989012490A2 (fr) | 1989-12-28 |
WO1989012490A3 true WO1989012490A3 (fr) | 1990-01-25 |
Family
ID=22768387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1989/002617 WO1989012490A2 (fr) | 1988-06-15 | 1989-06-15 | Membrane composite |
Country Status (5)
Country | Link |
---|---|
US (1) | US4902308A (fr) |
EP (1) | EP0419579B1 (fr) |
JP (1) | JPH0667462B2 (fr) |
AU (1) | AU4202689A (fr) |
WO (1) | WO1989012490A2 (fr) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5082472A (en) * | 1990-11-05 | 1992-01-21 | Mallouk Robert S | Composite membrane for facilitated transport processes |
US5304309A (en) * | 1992-06-24 | 1994-04-19 | Lehigh University | Cyclic process for selective coagulant recovery from clarifier sludge |
US5340746A (en) * | 1993-01-08 | 1994-08-23 | Minnesota Mining And Manufacturing Company | Composite reactive articles for the determination of cyanide |
US6254978B1 (en) | 1994-11-14 | 2001-07-03 | W. L. Gore & Associates, Inc. | Ultra-thin integral composite membrane |
USRE37307E1 (en) | 1994-11-14 | 2001-08-07 | W. L. Gore & Associates, Inc. | Ultra-thin integral composite membrane |
US5599614A (en) * | 1995-03-15 | 1997-02-04 | W. L. Gore & Associates, Inc. | Integral composite membrane |
USRE37701E1 (en) * | 1994-11-14 | 2002-05-14 | W. L. Gore & Associates, Inc. | Integral composite membrane |
US5547551A (en) | 1995-03-15 | 1996-08-20 | 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 |
AU2928397A (en) * | 1996-04-30 | 1997-11-19 | W.L. Gore & Associates, Inc. | Integral multi-layered ion-exchange composite membranes |
US6354443B1 (en) | 1997-05-01 | 2002-03-12 | Millipore Corporation | Surface modified porous membrane and process |
US5976380A (en) * | 1997-05-01 | 1999-11-02 | Millipore Corporation | Article of manufacture including a surface modified membrane and process |
US5928792A (en) * | 1997-05-01 | 1999-07-27 | Millipore Corporation | Process for making surface modified porous membrane with perfluorocarbon copolymer |
US6110333A (en) * | 1997-05-02 | 2000-08-29 | E. I. Du Pont De Nemours And Company | Composite membrane with highly crystalline porous support |
US6635384B2 (en) * | 1998-03-06 | 2003-10-21 | Gore Enterprise Holdings, Inc. | Solid electrolyte composite for electrochemical reaction apparatus |
US6495209B1 (en) | 1998-02-20 | 2002-12-17 | Lynntech, Inc. | Process of making a composite membrane |
US6179132B1 (en) | 1998-03-13 | 2001-01-30 | Millipore Corporation | Surface modified polymeric substrate and process |
US6169044B1 (en) * | 1999-04-28 | 2001-01-02 | International Paper Company | Container for the selective scavenging of citrus juice components |
US6749755B2 (en) * | 2000-06-29 | 2004-06-15 | Robert S. Johnson | Water separation from solvent |
US6689501B2 (en) | 2001-05-25 | 2004-02-10 | Ballard Power Systems Inc. | Composite ion exchange membrane for use in a fuel cell |
US6613203B1 (en) | 2001-09-10 | 2003-09-02 | Gore Enterprise Holdings | Ion conducting membrane having high hardness and dimensional stability |
JP4376768B2 (ja) * | 2004-01-14 | 2009-12-02 | 富士フイルム株式会社 | ガス検出用材料及びガス検査方法 |
US20060205301A1 (en) * | 2005-03-11 | 2006-09-14 | Bha Technologies, Inc. | Composite membrane having hydrophilic properties and method of manufacture |
US7588796B2 (en) * | 2005-03-11 | 2009-09-15 | Bha Group, Inc. | Method of making a composite membrane |
US7635062B2 (en) * | 2005-03-11 | 2009-12-22 | Bha Group, Inc. | Composite membrane |
EP2163295A1 (fr) * | 2008-09-15 | 2010-03-17 | Services Pétroliers Schlumberger | Surface microstructurée dotée de propriétés de mouillage personnalisées |
EP2474066A1 (fr) | 2009-09-03 | 2012-07-11 | E. I. du Pont de Nemours and Company | Membranes à revêtement catalytique améliorées à membranes composites minces et cathodes minces destinées à des piles à combustible au méthanol direct |
CZ307270B6 (cs) * | 2013-06-27 | 2018-05-09 | Membrain S.R.O. | Asymetrická ionexová membrána a způsob jejího použití |
US20170028361A1 (en) * | 2015-07-31 | 2017-02-02 | Pall Corporation | Ptfe/pfsa blended membrane |
US20170028359A1 (en) * | 2015-07-31 | 2017-02-02 | Pall Corporation | Coated ptfe membrane |
US20210071039A1 (en) | 2018-01-22 | 2021-03-11 | W. L. Gore & Associates Gmbh | Compositions for forming antistatic coatings and articles coated with the compositions |
JP6839120B2 (ja) * | 2018-02-22 | 2021-03-03 | 信越化学工業株式会社 | 生体電極組成物、生体電極、及び生体電極の製造方法 |
JP6839125B2 (ja) * | 2018-04-02 | 2021-03-03 | 信越化学工業株式会社 | 生体電極組成物、生体電極、及び生体電極の製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3725009A (en) * | 1968-06-24 | 1973-04-03 | J Lovelock | Detection of trace gases utilizing an electron capture detector |
US4026783A (en) * | 1973-12-17 | 1977-05-31 | E. I. Du Pont De Nemours And Company | Electrolysis cell using cation exchange membranes of improved permselectivity |
US4127386A (en) * | 1977-01-26 | 1978-11-28 | Meloy Laboratories, Inc. | Process and system for measuring sulfur dioxide pollution |
EP0239888A2 (fr) * | 1986-03-24 | 1987-10-07 | The Dow Chemical Company | Séparations de gaz utilisant des membranes perfluoriques comprenant des polymères avec moitiés ionomères attachées |
US4741744A (en) * | 1987-02-20 | 1988-05-03 | The Dow Chemical Company | Hydrated metal ionomer membranes for gas separation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6026496B2 (ja) * | 1980-04-18 | 1985-06-24 | 旭化成株式会社 | 改良された陽イオン交換膜 |
US4490484A (en) * | 1981-10-21 | 1984-12-25 | E. I. Du Pont De Nemours And Company | Membrane assembly, electrochemical cell, and electrolysis process using perfluorinated sandwich type membrane |
-
1988
- 1988-06-15 US US07/206,884 patent/US4902308A/en not_active Expired - Lifetime
-
1989
- 1989-06-15 WO PCT/US1989/002617 patent/WO1989012490A2/fr active IP Right Grant
- 1989-06-15 EP EP89910035A patent/EP0419579B1/fr not_active Expired
- 1989-06-15 JP JP1509527A patent/JPH0667462B2/ja not_active Expired - Lifetime
- 1989-06-15 AU AU42026/89A patent/AU4202689A/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3725009A (en) * | 1968-06-24 | 1973-04-03 | J Lovelock | Detection of trace gases utilizing an electron capture detector |
US4026783A (en) * | 1973-12-17 | 1977-05-31 | E. I. Du Pont De Nemours And Company | Electrolysis cell using cation exchange membranes of improved permselectivity |
US4127386A (en) * | 1977-01-26 | 1978-11-28 | Meloy Laboratories, Inc. | Process and system for measuring sulfur dioxide pollution |
EP0239888A2 (fr) * | 1986-03-24 | 1987-10-07 | The Dow Chemical Company | Séparations de gaz utilisant des membranes perfluoriques comprenant des polymères avec moitiés ionomères attachées |
US4741744A (en) * | 1987-02-20 | 1988-05-03 | The Dow Chemical Company | Hydrated metal ionomer membranes for gas separation |
Also Published As
Publication number | Publication date |
---|---|
EP0419579A1 (fr) | 1991-04-03 |
AU4202689A (en) | 1990-01-12 |
JPH03502425A (ja) | 1991-06-06 |
WO1989012490A2 (fr) | 1989-12-28 |
EP0419579B1 (fr) | 1992-10-28 |
US4902308A (en) | 1990-02-20 |
JPH0667462B2 (ja) | 1994-08-31 |
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