ZA791346B - Method for forming microporous membrane materials - Google Patents
Method for forming microporous membrane materialsInfo
- Publication number
- ZA791346B ZA791346B ZA791346A ZA791346A ZA791346B ZA 791346 B ZA791346 B ZA 791346B ZA 791346 A ZA791346 A ZA 791346A ZA 791346 A ZA791346 A ZA 791346A ZA 791346 B ZA791346 B ZA 791346B
- Authority
- ZA
- South Africa
- Prior art keywords
- microporous membrane
- membrane materials
- forming microporous
- forming
- materials
- Prior art date
Links
Classifications
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B13/00—Diaphragms; Spacing elements
- C25B13/04—Diaphragms; Spacing elements characterised by the material
- C25B13/08—Diaphragms; Spacing elements characterised by the material based on organic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
- H01M50/406—Moulding; Embossing; Cutting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/426—Fluorocarbon polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/494—Tensile strength
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0014—Alkaline electrolytes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Lubricants (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/891,987 US4170540A (en) | 1978-03-31 | 1978-03-31 | Method for forming microporous membrane materials |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA791346B true ZA791346B (en) | 1980-07-30 |
Family
ID=25399176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA791346A ZA791346B (en) | 1978-03-31 | 1979-03-21 | Method for forming microporous membrane materials |
Country Status (12)
Country | Link |
---|---|
US (1) | US4170540A (xx) |
JP (1) | JPS54133567A (xx) |
AR (1) | AR222326A1 (xx) |
BR (1) | BR7901867A (xx) |
CA (1) | CA1118558A (xx) |
DD (1) | DD144023A5 (xx) |
DE (1) | DE2912887A1 (xx) |
FR (1) | FR2421190A1 (xx) |
PL (1) | PL126040B1 (xx) |
SE (1) | SE427185B (xx) |
SU (1) | SU1105120A3 (xx) |
ZA (1) | ZA791346B (xx) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4380521A (en) * | 1978-02-13 | 1983-04-19 | The Dow Chemical Company | Method to produce a polytetra-fluoroethylene diaphragm |
US4276146A (en) * | 1978-08-07 | 1981-06-30 | General Electric Company | Cell having catalytic electrodes bonded to a membrane separator |
US4250002A (en) * | 1979-09-19 | 1981-02-10 | Hooker Chemicals & Plastics Corp. | Polymeric microporous separators for use in electrolytic processes and devices |
US4292146A (en) * | 1979-08-07 | 1981-09-29 | Hooker Chemicals & Plastics Corp. | Porous polyfluoroalkylene sheet useful for separating anolyte from catholyte in electrolytic cells |
US4297196A (en) * | 1980-03-17 | 1981-10-27 | Hooker Chemicals & Plastics Corp. | Stable low voltage microporous diaphragm for electrolytic cells |
US4370284A (en) * | 1980-10-31 | 1983-01-25 | Diamond Shamrock Corporation | Non-bleeding electrode |
US4339325A (en) * | 1980-10-31 | 1982-07-13 | Diamond Shamrock Corporation | One pass process for forming electrode backing sheet |
US4405544A (en) * | 1980-10-31 | 1983-09-20 | Diamond Shamrock Corporation | Strengthening of carbon black-teflon-containing electrode |
US4440617A (en) * | 1980-10-31 | 1984-04-03 | Diamond Shamrock Corporation | Non-bleeding electrode |
US4500647A (en) * | 1980-10-31 | 1985-02-19 | Diamond Shamrock Chemicals Company | Three layer laminated matrix electrode |
US4354958A (en) * | 1980-10-31 | 1982-10-19 | Diamond Shamrock Corporation | Fibrillated matrix active layer for an electrode |
US4382904A (en) * | 1980-10-31 | 1983-05-10 | Diamond Shamrock Corporation | Electrode backing layer and method of preparing |
US4357262A (en) * | 1980-10-31 | 1982-11-02 | Diamond Shamrock Corporation | Electrode layer treating process |
US4456521A (en) * | 1980-10-31 | 1984-06-26 | Diamond Shamrock Corporation | Three layer laminate |
US4337140A (en) * | 1980-10-31 | 1982-06-29 | Diamond Shamrock Corporation | Strengthening of carbon black-teflon-containing electrodes |
US4377496A (en) * | 1981-05-04 | 1983-03-22 | Diamond Shamrock Corporation | Gas diffusion electrode and process |
US4530749A (en) * | 1981-06-05 | 1985-07-23 | The Dow Chemical Company | Bonded asbestos diaphragms |
US4437952A (en) | 1982-01-04 | 1984-03-20 | E. I. Du Pont De Nemours & Co. | Coextruded multilayer cation exchange membranes |
US5198162A (en) * | 1984-12-19 | 1993-03-30 | Scimat Limited | Microporous films |
BE904104A (nl) * | 1986-01-27 | 1986-05-15 | Studiecentrum Voor Kernernergi | Werkwijze ter vervaardiging van een diafragma envolgens deze werkwijze vervaardigd diafragma. |
US4824621A (en) * | 1987-01-27 | 1989-04-25 | Porelon, Inc. | Method for making an ink-impregnated material |
US4863604A (en) * | 1987-02-05 | 1989-09-05 | Parker-Hannifin Corporation | Microporous asymmetric polyfluorocarbon membranes |
DE4117281C2 (de) * | 1990-06-29 | 1996-02-22 | Gore Enterprise Holdings Inc | Hydrophilierte, mikroporöse Membran aus Polytetrafluorethylen und Verfahren zu ihrer Herstellung |
JPH1177787A (ja) * | 1997-09-02 | 1999-03-23 | Daikin Ind Ltd | 高導電性ポリテトラフルオロエチレンシートの製造方法及び高導電性ポリテトラフルオロエチレン幅広長尺状シート |
DE602004024190D1 (de) * | 2003-02-19 | 2009-12-31 | Natrix Separations Inc | Geträgerte poröse gele umfassende verbundmaterialien |
EP1758671B9 (en) * | 2004-04-08 | 2014-02-19 | Natrix Separations Inc. | Membrane stacks |
AU2005251838B2 (en) | 2004-06-07 | 2011-04-21 | Merck Millipore Ltd. | Stable composite material comprising supported porous gels |
JP4618485B2 (ja) * | 2004-08-27 | 2011-01-26 | アイシン精機株式会社 | モータ用ブラシ材料の製造方法 |
KR20170005184A (ko) * | 2008-09-02 | 2017-01-11 | 나트릭스 세퍼레이션즈, 인코포레이티드 | 크로마토그래피 막, 이를 포함하는 장치 및 이의 이용방법 |
KR20170104656A (ko) * | 2009-11-13 | 2017-09-15 | 나트릭스 세퍼레이션즈, 인코포레이티드 | 소수성 상호반응 크로마토그래피용 막 및 그의 사용방법 |
AU2012255721A1 (en) | 2011-05-17 | 2014-01-09 | Natrix Separations Inc. | Layered tubular membranes for chromatography, and methods of use thereof |
CN114196060A (zh) * | 2021-12-15 | 2022-03-18 | 宁夏大学 | 一种多孔聚四氟乙烯海绵材料及其制备方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2644802A (en) * | 1950-06-30 | 1953-07-07 | Du Pont | Tetrafluoroethylene polymer compositions containing polyorganosiloxane lubricants |
US2752321A (en) * | 1953-02-27 | 1956-06-26 | Du Pont | Lubricating tetrafluoroethylene polymers |
US2752637A (en) * | 1954-07-01 | 1956-07-03 | Resistoflex Corp | Extrusion of polytetrafluoroethylene |
US3054761A (en) * | 1960-06-22 | 1962-09-18 | Raybestos Manhattan Inc | Extrudable composition comprising tetrafluoroethylene, methyl methacrylate, and a volatile organic lubricant |
GB943624A (en) * | 1960-10-05 | 1963-12-04 | Doulton & Co Ltd | Permeable plastic materials |
GB1049328A (en) * | 1962-07-13 | 1966-11-23 | Du Pont | Porous structures of polytetrafluoroethylene resins |
US3235636A (en) * | 1963-04-11 | 1966-02-15 | Hercules Powder Co Ltd | Method of molding teflon |
US3528879A (en) * | 1963-10-14 | 1970-09-15 | Daikin Ind Ltd | Process for making paper and air-pervious cardboard or boardlike structures predominantly of polytetrafluoroethylene |
US3281511A (en) * | 1964-05-15 | 1966-10-25 | Gen Plastics Corp | Method of preparing microporous tetrafluoroethylene resin sheets |
US3391221A (en) * | 1964-09-21 | 1968-07-02 | Gore & Ass | Fluorocarbon polymer molding compositions |
US3393151A (en) * | 1965-07-28 | 1968-07-16 | Air Force Usa | Perfluorinated aliphatic polyether lubricant with a perfluorinated phenyl compound additive |
US4003941A (en) * | 1966-02-07 | 1977-01-18 | Minnesota Mining And Manufacturing Company | Process for producing polyhalocarbons oxides |
DE1745169B2 (de) * | 1967-02-09 | 1977-04-21 | Montecatini Edison S.P.A., Mailand (Italien) | Fluorierte lineare polyaether und verfahren zu ihrer herstellung |
US3445392A (en) * | 1967-05-18 | 1969-05-20 | Du Pont | Nonfoaming perfluorinated polyethers |
US3518332A (en) * | 1967-11-22 | 1970-06-30 | Esb Inc | Method for making thin,microporous fluorocarbon polymer sheet material |
DE1769595C3 (de) * | 1968-06-12 | 1975-07-17 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur Herstellung von gasdurchlässigen, hydrophoben Folien aus fluorhaltigen Polymeren für elektrochemische Zellen, insbesondere Brennstoffzellen |
US3700627A (en) * | 1970-05-25 | 1972-10-24 | Pennwalt Corp | Decolorized polytetrafluoroethylene |
US3665067A (en) * | 1970-07-24 | 1972-05-23 | Imp Smelting Corp Ltd | Polytetrafluoroethylene fabrication with hexafluorobenzene |
GB1354138A (en) * | 1971-10-15 | 1974-06-05 | Ici Ltd | Fluorocarbon surfactants |
US4079084A (en) * | 1972-03-15 | 1978-03-14 | Imperial Chemical Industries Limited | Fluorocarbon surfactants |
US4049589A (en) * | 1973-03-19 | 1977-09-20 | Sumitomo Electric Industries, Ltd. | Porous films of polytetrafluoroethylene and process for producing said films |
US4098672A (en) * | 1973-07-18 | 1978-07-04 | Imperial Chemical Industries Limited | Porous diaphragms |
FR2280435A1 (fr) * | 1974-08-02 | 1976-02-27 | Rhone Poulenc Ind | Procede d'obtention d'une membrane microporeuse et nouveau produit ainsi obtenu |
US4012303A (en) * | 1974-12-23 | 1977-03-15 | Hooker Chemicals & Plastics Corporation | Trifluorostyrene sulfonic acid membranes |
US3980715A (en) * | 1975-03-21 | 1976-09-14 | Diamond Shamrock Corporation | Nonionic fluorochemical surfactants |
US4116890A (en) * | 1976-03-02 | 1978-09-26 | E. I. Du Pont De Nemours And Company | Phosphonated fluorotelomers |
US4126535A (en) * | 1976-11-18 | 1978-11-21 | Basf Wyandotte Corporation | Chlorotrifluoroethylene containing polymer diaphragm |
-
1978
- 1978-03-31 US US05/891,987 patent/US4170540A/en not_active Expired - Lifetime
-
1979
- 1979-03-05 CA CA000322745A patent/CA1118558A/en not_active Expired
- 1979-03-21 ZA ZA791346A patent/ZA791346B/xx unknown
- 1979-03-22 AR AR275916A patent/AR222326A1/es active
- 1979-03-27 BR BR7901867A patent/BR7901867A/pt unknown
- 1979-03-27 JP JP3617179A patent/JPS54133567A/ja active Pending
- 1979-03-28 SE SE7902779A patent/SE427185B/sv unknown
- 1979-03-28 DD DD79211861A patent/DD144023A5/de unknown
- 1979-03-29 FR FR7907899A patent/FR2421190A1/fr active Pending
- 1979-03-30 DE DE19792912887 patent/DE2912887A1/de not_active Withdrawn
- 1979-03-30 PL PL1979214513A patent/PL126040B1/pl unknown
- 1979-03-30 SU SU792746904A patent/SU1105120A3/ru active
Also Published As
Publication number | Publication date |
---|---|
SU1105120A3 (ru) | 1984-07-23 |
DD144023A5 (de) | 1980-09-24 |
DE2912887A1 (de) | 1979-10-11 |
PL214513A1 (pl) | 1979-12-17 |
FR2421190A1 (fr) | 1979-10-26 |
PL126040B1 (en) | 1983-07-30 |
CA1118558A (en) | 1982-02-23 |
SE427185B (sv) | 1983-03-14 |
BR7901867A (pt) | 1979-11-20 |
JPS54133567A (en) | 1979-10-17 |
US4170540A (en) | 1979-10-09 |
AR222326A1 (es) | 1981-05-15 |
SE7902779L (sv) | 1979-10-01 |
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