DE1769595C3 - Verfahren zur Herstellung von gasdurchlässigen, hydrophoben Folien aus fluorhaltigen Polymeren für elektrochemische Zellen, insbesondere Brennstoffzellen - Google Patents
Verfahren zur Herstellung von gasdurchlässigen, hydrophoben Folien aus fluorhaltigen Polymeren für elektrochemische Zellen, insbesondere BrennstoffzellenInfo
- Publication number
- DE1769595C3 DE1769595C3 DE1769595A DE1769595A DE1769595C3 DE 1769595 C3 DE1769595 C3 DE 1769595C3 DE 1769595 A DE1769595 A DE 1769595A DE 1769595 A DE1769595 A DE 1769595A DE 1769595 C3 DE1769595 C3 DE 1769595C3
- Authority
- DE
- Germany
- Prior art keywords
- sprayed
- parts
- suspension
- separating layer
- polytetrafluoroethylene
- 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
Links
- 238000000034 method Methods 0.000 title claims 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims 5
- 229910052731 fluorine Inorganic materials 0.000 title claims 5
- 239000011737 fluorine Substances 0.000 title claims 5
- 238000004519 manufacturing process Methods 0.000 title claims 5
- 229920000642 polymer Polymers 0.000 title claims 5
- 239000000446 fuel Substances 0.000 title claims 3
- 230000002209 hydrophobic effect Effects 0.000 title claims 2
- 239000000725 suspension Substances 0.000 claims 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims 10
- -1 polytetrafluoroethylene Polymers 0.000 claims 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 7
- 239000012188 paraffin wax Substances 0.000 claims 5
- 239000011787 zinc oxide Substances 0.000 claims 5
- 239000011888 foil Substances 0.000 claims 4
- 229910052751 metal Inorganic materials 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 3
- 229910002804 graphite Inorganic materials 0.000 claims 3
- 239000010439 graphite Substances 0.000 claims 3
- 239000000395 magnesium oxide Substances 0.000 claims 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims 3
- 239000011148 porous material Substances 0.000 claims 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 238000001704 evaporation Methods 0.000 claims 2
- 230000008020 evaporation Effects 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 230000035699 permeability Effects 0.000 claims 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009835 boiling Methods 0.000 claims 1
- 239000000839 emulsion Substances 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims 1
- 229940015607 hydro 40 Drugs 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 1
- IPCXNCATNBAPKW-UHFFFAOYSA-N zinc;hydrate Chemical compound O.[Zn] IPCXNCATNBAPKW-UHFFFAOYSA-N 0.000 claims 1
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
- C08J9/24—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/62—Processes of molding porous films
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/65—Processes of preheating prior to molding
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/72—Processes of molding by spraying
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Laminated Bodies (AREA)
- Fuel Cell (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1769595A DE1769595C3 (de) | 1968-06-12 | 1968-06-12 | Verfahren zur Herstellung von gasdurchlässigen, hydrophoben Folien aus fluorhaltigen Polymeren für elektrochemische Zellen, insbesondere Brennstoffzellen |
| FR6908619A FR2010707B1 (OSRAM) | 1968-06-12 | 1969-03-24 | |
| US832501A US3673292A (en) | 1968-06-12 | 1969-06-11 | Process for the preparation of gas permeable hydrophobic foils for electrochemical cells |
| SE08311/69A SE347394B (OSRAM) | 1968-06-12 | 1969-06-11 | |
| GB29504/69A GB1237839A (en) | 1968-06-12 | 1969-06-11 | Improvements in the production of fluorine-containing polymer films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1769595A DE1769595C3 (de) | 1968-06-12 | 1968-06-12 | Verfahren zur Herstellung von gasdurchlässigen, hydrophoben Folien aus fluorhaltigen Polymeren für elektrochemische Zellen, insbesondere Brennstoffzellen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1769595A1 DE1769595A1 (de) | 1971-11-25 |
| DE1769595B2 DE1769595B2 (de) | 1974-11-28 |
| DE1769595C3 true DE1769595C3 (de) | 1975-07-17 |
Family
ID=5700198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1769595A Expired DE1769595C3 (de) | 1968-06-12 | 1968-06-12 | Verfahren zur Herstellung von gasdurchlässigen, hydrophoben Folien aus fluorhaltigen Polymeren für elektrochemische Zellen, insbesondere Brennstoffzellen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3673292A (OSRAM) |
| DE (1) | DE1769595C3 (OSRAM) |
| FR (1) | FR2010707B1 (OSRAM) |
| GB (1) | GB1237839A (OSRAM) |
| SE (1) | SE347394B (OSRAM) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2005394A1 (de) * | 1970-02-06 | 1971-08-26 | Bosch Gmbh Robert | Verfahren zur Herstellung von gas durchlassigen, elektrolytundurchlassigen Folien fur elektrochemische Zellen, ins besondere Brennstoffzellen |
| US4170540A (en) * | 1978-03-31 | 1979-10-09 | Hooker Chemicals & Plastics Corp. | Method for forming microporous membrane materials |
| GB2168981B (en) * | 1984-12-27 | 1988-07-06 | Asahi Chemical Ind | Porous fluorine resin membrane and process for preparation thereof |
| GB8613015D0 (en) * | 1986-05-29 | 1986-07-02 | Thomas T R | Porous ptfe |
| GB9007304D0 (en) * | 1990-03-31 | 1990-05-30 | Gore W L & Ass Uk | Filter element |
| US5677031A (en) * | 1990-03-31 | 1997-10-14 | W. L. Gore & Associates, Inc. | Porous PTFE structures |
| US8046968B2 (en) | 2001-03-26 | 2011-11-01 | Peter Kellner | Floor made from individual elements |
| MX394785B (es) | 2009-11-04 | 2025-03-24 | Ssw Advanced Tech Llc | Superficies de equipos de coccion que tienen una estructura para la contencion de derrames y metodos de fabricarlas. |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2400091A (en) * | 1944-09-20 | 1946-05-14 | Du Pont | Molding process |
| US2540962A (en) * | 1948-11-16 | 1951-02-06 | Sprague Electric Co | Process for producing polytetrahaloethylene films |
| US2662065A (en) * | 1951-05-10 | 1953-12-08 | Du Pont | Process for obtaining dispersions of polyfluorethylenes |
| US2852811A (en) * | 1954-03-01 | 1958-09-23 | John V Petriello | Method for casting thin plastic films |
| US2997448A (en) * | 1958-09-24 | 1961-08-22 | Du Pont | Molded fluorocarbon polymer product and method of preparing same |
| US3202733A (en) * | 1962-03-06 | 1965-08-24 | Esb Reeves Corp | Method of making microporous plastic |
| US3203829A (en) * | 1962-09-25 | 1965-08-31 | Eversharp Inc | Razor blades |
| US3281511A (en) * | 1964-05-15 | 1966-10-25 | Gen Plastics Corp | Method of preparing microporous tetrafluoroethylene resin sheets |
| US3279936A (en) * | 1964-11-27 | 1966-10-18 | Forestek Plating & Mfg Co | Treating surfaces with perfluorocarbon polymers |
| US3497256A (en) * | 1965-02-18 | 1970-02-24 | Chemplast Inc | Process for making a direct duplicate of a matrix formed from fiber materials |
| GB1061126A (en) * | 1965-02-18 | 1967-03-08 | Ici Ltd | Polymeric coating compositions |
| US3518332A (en) * | 1967-11-22 | 1970-06-30 | Esb Inc | Method for making thin,microporous fluorocarbon polymer sheet material |
-
1968
- 1968-06-12 DE DE1769595A patent/DE1769595C3/de not_active Expired
-
1969
- 1969-03-24 FR FR6908619A patent/FR2010707B1/fr not_active Expired
- 1969-06-11 SE SE08311/69A patent/SE347394B/xx unknown
- 1969-06-11 US US832501A patent/US3673292A/en not_active Expired - Lifetime
- 1969-06-11 GB GB29504/69A patent/GB1237839A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1237839A (en) | 1971-06-30 |
| FR2010707B1 (OSRAM) | 1975-07-04 |
| SE347394B (OSRAM) | 1972-07-31 |
| DE1769595A1 (de) | 1971-11-25 |
| US3673292A (en) | 1972-06-27 |
| FR2010707A1 (OSRAM) | 1970-02-20 |
| DE1769595B2 (de) | 1974-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EF | Willingness to grant licences | ||
| 8339 | Ceased/non-payment of the annual fee |