WO2003014201A9 - Membranen für ionentransport - Google Patents
Membranen für ionentransportInfo
- Publication number
- WO2003014201A9 WO2003014201A9 PCT/EP2002/007585 EP0207585W WO03014201A9 WO 2003014201 A9 WO2003014201 A9 WO 2003014201A9 EP 0207585 W EP0207585 W EP 0207585W WO 03014201 A9 WO03014201 A9 WO 03014201A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- polymeric
- membrane
- membranes
- base
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 57
- 230000037427 ion transport Effects 0.000 title description 2
- 229920000642 polymer Polymers 0.000 claims abstract description 30
- 150000001450 anions Chemical class 0.000 claims abstract description 28
- 125000002887 hydroxy group Chemical class [H]O* 0.000 claims abstract 2
- 239000002253 acid Substances 0.000 claims description 37
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 150000001768 cations Chemical class 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- 150000003839 salts Chemical class 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 239000002322 conducting polymer Substances 0.000 claims 1
- 229920001940 conductive polymer Polymers 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- -1 polyphenylene Polymers 0.000 description 21
- 239000000446 fuel Substances 0.000 description 14
- 125000003118 aryl group Chemical group 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 229920001643 poly(ether ketone) Polymers 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- 239000000975 dye Substances 0.000 description 7
- 229920000767 polyaniline Polymers 0.000 description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 6
- 229920006037 cross link polymer Polymers 0.000 description 6
- 229920002480 polybenzimidazole Polymers 0.000 description 6
- 229920000265 Polyparaphenylene Polymers 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000003993 interaction Effects 0.000 description 5
- 229920002492 poly(sulfone) Polymers 0.000 description 5
- 229920002717 polyvinylpyridine Polymers 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 239000000010 aprotic solvent Substances 0.000 description 4
- 125000001072 heteroaryl group Chemical group 0.000 description 4
- 229920000554 ionomer Polymers 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 4
- 229920000323 polyazulene Polymers 0.000 description 4
- 229920001088 polycarbazole Polymers 0.000 description 4
- 229920002959 polymer blend Polymers 0.000 description 4
- 229920000123 polythiophene Polymers 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000004693 Polybenzimidazole Substances 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical class OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920001660 poly(etherketone-etherketoneketone) Polymers 0.000 description 3
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 229920006380 polyphenylene oxide Polymers 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 229920000128 polypyrrole Polymers 0.000 description 3
- 230000005588 protonation Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 229920004459 Kel-F® PCTFE Polymers 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 229920004428 Neoflon® PCTFE Polymers 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 229920000090 poly(aryl ether) Polymers 0.000 description 2
- 229920001652 poly(etherketoneketone) Polymers 0.000 description 2
- 229920000412 polyarylene Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical class [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229920003295 Radel® Polymers 0.000 description 1
- 229920004695 VICTREX™ PEEK Polymers 0.000 description 1
- ZHVGFVZCBNBRQQ-UHFFFAOYSA-M [O-2].[Cl-].[Zr+4] Chemical compound [O-2].[Cl-].[Zr+4] ZHVGFVZCBNBRQQ-UHFFFAOYSA-M 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- BBEAQIROQSPTKN-UHFFFAOYSA-N antipyrene Natural products C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- DOUHZFSGSXMPIE-UHFFFAOYSA-N hydroxidooxidosulfur(.) Chemical group [O]SO DOUHZFSGSXMPIE-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- LRVUGEZGBKPRRZ-UHFFFAOYSA-L oxygen(2-);zirconium(4+);dichloride Chemical compound [O-2].[Cl-].[Cl-].[Zr+4] LRVUGEZGBKPRRZ-UHFFFAOYSA-L 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 229920003228 poly(4-vinyl pyridine) Polymers 0.000 description 1
- 229920001657 poly(etheretherketoneketone) Polymers 0.000 description 1
- 229920003208 poly(ethylene sulfide) Polymers 0.000 description 1
- 229920006260 polyaryletherketone Polymers 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920006295 polythiol Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 229920006301 statistical copolymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/06—Polysulfones; Polyethersulfones
-
- 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
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- 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
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
- B01D69/1411—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing dispersed material in a continuous matrix
- B01D69/14111—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing dispersed material in a continuous matrix with nanoscale dispersed material, e.g. nanoparticles
-
- 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
- B01D71/52—Polyethers
- B01D71/522—Aromatic polyethers
- B01D71/5221—Polyaryletherketone
-
- 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
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/80—Block polymers
-
- 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/08—Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/12—Macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/12—Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
-
- 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
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2256—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
-
- 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
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- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04197—Preventing means for fuel crossover
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- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1023—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1025—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters
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- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1027—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having carbon, oxygen and other atoms, e.g. sulfonated polyethersulfones [S-PES]
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- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/103—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having nitrogen, e.g. sulfonated polybenzimidazoles [S-PBI], polybenzimidazoles with phosphoric acid, sulfonated polyamides [S-PA] or sulfonated polyphosphazenes [S-PPh]
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- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1032—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having sulfur, e.g. sulfonated-polyethersulfones [S-PES]
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1039—Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1044—Mixtures of polymers, of which at least one is ionically conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
-
- 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
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/06—Polysulfones; Polyethersulfones
-
- 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
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—Organic polymers
-
- 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
Definitions
- the present invention relates to ionically crosslinked polymers and ionically crosslinked polymers with inorganic contents.
- Polymers which are used in membranes are, for example, polyarylene, such as polyphenylene and polypyrene, aromatic polyvinyl compounds, such as polystyrene and polyvinylpyridine, polyphenylene vinylene, aromatic polyethers, such as polyphenylene oxide, aromatic polythioethers, such as polyphenylene sulfide, polysulfones, such as ®Radel R, and polyether ketones, such as PEK , Furthermore, they also include polypyrroles, polythiophenes, polyazoles, such as polybenzimidazole, polyanilines, polyazulenes, polycarbazoles and polyindophenines.
- polyarylene such as polyphenylene and polypyrene
- aromatic polyvinyl compounds such as polystyrene and polyvinylpyridine
- polyphenylene vinylene aromatic polyethers, such as polyphenylene oxide, aromatic polythioethers, such as polyphenylene sulfide, poly
- membranes are doped with concentrated phosphoric acid or sulfuric acid and serve as proton conductors in so-called polyelectrolyte membrane fuel cells (PEM fuel cells).
- PEM fuel cells polyelectrolyte membrane fuel cells
- MEE membrane electrode assembly
- a disadvantage of these membranes is their mechanical instability with a low modulus of elasticity, a low tensile strength and a low upper flow limit, and their relatively high permeability to hydrogen, oxygen and methanol.
- DE 196 22 337 describes a process for producing covalently crosslinked ionomer membranes which is based on an alkylation reaction of polymers containing sulfinate groups, polymer blends and polymer (blend) membranes.
- the covalent network has good hydrolysis resistance even at higher ones Temperatures on.
- WO 99/02756 and WO 99/02755 disclose ionically crosslinked acid-base polymer blends and polymer (blend) membranes.
- An advantage of the ionically crosslinked acid-base blend membranes is that the ionic bonds are flexible, the polymers / membranes do not dry out so easily even at higher temperatures because of the hydrophilicity of the acid-base groups, and therefore the polymers / membranes also do not become brittle at higher temperatures.
- IEC proton exchange capacity of the polymeric acid
- B- proportion of the base added
- the acid-base blends from the disclosure DE 196 22 337 with the anion exchanger described therein naturally also contain the anions of the acid used for the oxidation as the counterion.
- the polymeric acid used must be proton-neutralized, otherwise complexing occurs when the components are mixed in. If cation divers and anion exchangers are used in one and the same membrane, the proton conductivity of the membrane decreases, according to current teaching, since there is now an additional positive charge in the membrane which opposes the transport of the protons.
- the polymer according to the invention should have a low volume resistivity, preferably less than or equal to 200 ohm ⁇ cm at 25 ° C. in water, and a low permeability for hydrogen, oxygen and methanol.
- Another object was to provide a polymer that can be used in fuel cells.
- the polymer should be suitable for use in direct methanol fuel cells.
- the object of the invention was also to provide a process for the preparation of the ionically and optionally covalently crosslinked polymer which can be carried out in a simple manner, inexpensively and on an industrial scale.
- anion exchangers which have hydroxyl ions as the counterion and which have been processed into membranes with known cation exchangers, preferably those mentioned in WO 99/02756 and WO 99/02755, have a higher proton conductivity than the control in which the anion exchangers have halogen anions as the counterion exhibit.
- the polymeric anion exchanger is diluted with a solution containing hydroxyl ions, preferably an aqueous, e.g. NaOH in water, added and the negative counterions are exchanged with the excess of hydroxyl ions.
- the anion exchanger is then rinsed with demineralized water to the pH of the wash water. This pH is preferably between 6.5 and 7.5. Then dried and dissolved in a suitable, preferably aprotic, solvent.
- the polymeric acid is added in the salt form, preferably a mono-, di-, tri-, or tetravalent cation is used.
- one or more polymeric bases also dissolved in an aprotic solvent, can be added to the mixture.
- the mixture is processed into a membrane according to the prior art.
- the polymeric acid is still in the salt form after drying.
- An acidic cation exchange resin is used to convert them into the necessary acid form. Any other known process for converting to the acid group is also suitable which excludes the anions from reacting with the anion exchanger and as a result of which the hydroxyl ions are displaced.
- the polymeric acid in the membrane is now exchanged, it is in the protonated form and in parallel there is the anion exchanger with the hydroxyl ion in the membrane. In the subsequent further processing of the membrane into the fuel cell, it must be ensured that the membrane is never exposed to exchangeable anions.
- a cation exchanger and an anion exchanger may also be mixed with one or more polymeric bases and processed to form a membrane without the membrane again containing kidney molecular anions, such as F, Cl “ , Br “ , J " or other.
- the membranes show a reduced methanol permeability with simultaneously increased proton conductivity (measured in water) compared to the control.
- part of the invention is a new process for the production of acid-base blends with nanodispersed, sparingly soluble salts and oxides, titanium and zirconium salts being particularly preferred.
- An acid-base blend is a polymer or polymer mixture which carries at least one group which releases protons in an aqueous environment and at least one group which fixes protons.
- the principle of the acid-base interaction is described in detail in the publications WO 99/02755 and WO 99/02756. All the production methods of acid-base blends and acid-base blend membranes that have been described and disclosed so far always result in aftertreatment in dilute protonic acids. Surprisingly, a process has been found which makes it possible to dispense with protonation by means of a dilute acid, such as hydrochloric, sulfuric, phosphoric, nitric or other proton-releasing acids, or to severely restrict their use, and which requires only aftertreatment in water ,
- a dilute acid such as hydrochloric, sulfuric, phosphoric, nitric or other proton-releasing acids
- the cation of the polymeric acid is first exchanged with a cation which, after membrane production, reacts with water, possibly with an increase in temperature, to form a poorly soluble oxide.
- zirconyl (ZrO) and titanyl cation (TiO) are particularly preferred. It was surprisingly found that polymeric acids, in particular sulfonic acids, exchanged with zirconyl (ZrO 2+ ) and / or titanyl cations (TiO 2+ ) aminated with polymeric bases, for example polybenzimidazoles (PBI), polyvinylpyridine (PVP and P4VP) Allow poly (ether) sulfones and aminated polyaryl ether ketones to be mixed homogeneously with one another in an aprotic solvent such as NMP, DMAc and DMSO.
- PBI polybenzimidazoles
- PVP polyvinylpyridine
- P4VP poly (ether) sulfones and aminated polyaryl ether ketones
- converting a sulfonic acid into its zirconyl salt can e.g. proceed as follows:
- IEC ion exchange capacity
- the polymeric acid can be protonated or in the cation-exchanged form, preferably Na + , K + , Li + , Ca 2+ , Mg 2+ .
- the water-soluble, but soluble in aprotic solvents is an IEC up to approximately 1.8.
- the exchanged acid is filtered off and carefully dried in vacuo at low temperature, preferably below 50 ° C.
- the solvent is NMP or DMAc
- the resulting solution can be mixed immediately thereafter with a solution of a polymeric base and / or a polymeric anion exchanger or its reduced preform in an aprotic solvent, for example PBI in DMAc and processed into a membrane.
- the processing into a membrane takes place, for example, by doctoring to a thin film on a suitable surface.
- the salt form of the polymeric acid must still be brought into its protonated form.
- the zirconyl (ZrO 2+ ) or titanyl cation (TiO 2+ ) reacts with water to form sparingly soluble zirconium dioxide or titanium dioxide.
- the polymeric acid undergoes protonation and the acid-base interaction can develop.
- the product obtained is an acid-base blend with molecularly dispersed zirconium or titanium dioxide.
- the advantage of this process is not only the simplified ecological and economic representation of acid-base blends with molecularly distributed oxides, but the membranes can be coated with a catalyst before activation with water, in particular in the case of fuel cell applications, and processed further to form a membrane electrode assembly and only then, at the latest when the fuel cell is in operation, does the protonation of the polymeric acid take place.
- blends comprising at least one polymeric cation exchanger, one polymeric anion exchanger, molecularly dispersed metal oxide and / or one polymeric base in which a non-oxidized or only partially oxidized preform is used instead of the anion exchanger.
- the use of the reduced precursor is particularly advantageous, in particular in the case of polymeric triphenylmethane dyes.
- the following compound represents a non-oxidized form and its oxidized form of such a weakly basic anion exchanger.
- R alkyl (methyl or ethyl) or aryl or heteroaryl
- both the acid form of the membrane is released and, thanks to the presence of oxygen, the reduced preform of the anion exchanger is oxidized to the finished anion exchanger.
- These blend membranes optionally with a further polymeric basic component, have an improved proton conductivity than the membranes which have been aftertreated with dilute mineral acids and or alkalis. It is believed that the absence of "microanioins" means that the anion exchanger also contributes to proton conductivity.
- a film produced by the above process containing at least one polymeric zirconyl (ZrO 2+ ) and / or titanyl cation (TiO 2+ ) exchanged acid and a polymeric base and / or a polymeric anion exchanger is or after-treated with phosphoric acid (diluted to concentrated) or diluted Sulfuric acid converted to the protonated form.
- This method has the advantage that no mono- or divalent metal-containing waste acids or alkalis are produced in order to generate a protonated zirconium phosphate or titanium phosphate or the corresponding sulfates from the membrane.
- molecularly dispersed metal salts or oxides in particular of zirconium dioxide, titanium dioxide, zirconium phosphate, titanium phosphate, the corresponding hydrogen phosphates, sulfates and hydrogen sulfates, is a reduced methanol diffusion through the membrane, with an increased proton conductivity in the membrane.
- This has the advantages already described in the art.
- the acid-base interaction can still develop.
- the process according to the invention is used to produce new acid-base blends, acid-anion exchanger blends, acid-anion exchanger-base blends with molecularly dispersed oxides or salts.
- the membranes can be used to generate energy by electrochemical means.
- membrane fuel cells H2 or direct methanol fuel cells
- They can be used in electrochemical cells, secondary batteries, electrolysis cells, in membrane separation processes such as gas separation, pervaporation, perstraction, reverse osmosis, electrodialysis and diffusion dialysis.
- part of the invention is the use of polymer-bound dyes which have at least two heteroatoms. These dyes must have at least two boundary structures. It was surprisingly found that the water transport numbers transported through the membrane for everyone in fuel cell operation Proton decrease when using dyes, especially polymer-bound dyes.
- polymers with fluorine in the main chain such as polyvinyl difluoride (PVDF) and polychlorotrifluorethylene and analogs, such as Kel-F® and Neoflon®. These polymers are already known and are being changed into polymers according to the invention.
- PVDF polyvinyl difluoride
- Neoflon® polychlorotrifluorethylene
- the polymers according to the invention become accessible through one or more modification steps of the starting polymers (PI).
- the starting polymers (Pl) are already known. These are polyarylenes such as polyphenylene and polypyrene, aromatic polyvinyl compounds such as polystyrene and polyvinylpyridine, polyphenylene vinylene, aromatic polyethers such as polyphenylene oxide, aromatic thioethers such as polyphenylene sulfide, polysulfones such as ORadel R and Ultrason®, and polyether ketones such as PEK, PEEK, PEKK and PEKEKK.
- polyarylenes such as polyphenylene and polypyrene
- aromatic polyvinyl compounds such as polystyrene and polyvinylpyridine
- polyphenylene vinylene aromatic polyethers such as polyphenylene oxide
- aromatic thioethers such as polyphenylene sulfide
- polysulfones such as ORadel R and Ultrason®
- polyether ketones
- polyporroles such as polybenzimidazole, polyanilines, polyazulenes, polycarbazoles, polyindophenines, polyvinylendifluoride (PVDF) and polychlorotrifluorethylenes and analogues, such as Kel-F® and Neoflon®.
- polyporroles such as polybenzimidazole, polyanilines, polyazulenes, polycarbazoles, polyindophenines, polyvinylendifluoride (PVDF) and polychlorotrifluorethylenes and analogues, such as Kel-F® and Neoflon®.
- PVDF polyvinylendifluoride
- Neoflon® such as Kel-F® and Neoflon®.
- the polymer according to the invention has repeating units of the general formula (1), in particular repeating units corresponding to the general formulas (1A), (1B), (IC), (1D), (1E), (1F), (IG), (1H ), (II), (1J), (1K), (1L), (IM), (IN), (10), (1P), (IQ), (1R), (IS) and / or (IT ), on.
- the radicals R 6 are, independently of one another, the same or different 1, 2-phenylene, 1,3-phenylene, 1,4-phenylene, 4,4'-biphenyl, a divalent radical of a heteroaromatic, a divalent radical of a C 10 aromatic , a divalent radical of a C 14 aromatic and / or a divalent pyrene radical.
- a C 10 aromatics is naphthalene, for a C 14 aromatics phenanthrene.
- the substitution pattern of the aro aten and / or heteroaromatic is arbitrary, in the case of phenylene for example R 6 can be ortho-, meta- and para-phenylene.
- the radicals R 7 , R 8 and R 9 denote single-, four- or three-bonded aromatic or heteroaromatic groups and the radicals U, which are identical within a repeating unit, stand for an oxygen atom, a sulfur atom or an amino group which represents a hydrogen atom, carries a group having 1-20 carbon atoms, preferably a branched or unbranched alkyl or alkoxy group, or an aryl group as a further radical.
- the polymers with recurring units of the general formula (1) which are particularly preferred in the context of the present invention include homopolymers and copolymers, for example statistical copolymers, such as ⁇ Victrex 720 P and ® Astrel.
- Very particularly preferred polymers are polyaryl ethers, polyaryl thioethers, polysulfones, polyether ketones, poly pyrroles, polythiophenes, polyazoles, polyphenylenes, polyphenylene vinylenes, polyanilines, polyazulenes, polycarbazoles, polypyrenes, polyindophenines and polyvinyl pyridines, in particular: polyaryl ethers:
- n denotes the number of repeating units along a macromolecule chain of the polymer.
- This number of repeating units of the general formula (1) along a macromolecule chain of the crosslinked polymer is preferably an integer greater than or equal to 10, in particular greater than or equal to 100.
- the number of repeating units of the general formula (1A), (1B), ( IC), (1D), (1E), (1F), (IG), (1H), (II), (U), (1K), (1L), (IM), (IN), (10) , (1P), (IQ), (1R), (IS) and / or (IT) along a macromolecule chain of the crosslinked polymer are an integer greater than or equal to 10, in particular greater than or equal to 100.
- the number average molecular weight of the macromolecule chain is greater than 25,000 g / mol, advantageously greater than 50,000 g / mol, in particular greater than 100,000 g / mol.
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10293515T DE10293515D2 (de) | 2001-07-07 | 2002-07-08 | Membranen für Ionentransport |
AU2002336925A AU2002336925A1 (en) | 2001-07-07 | 2002-07-08 | Membranes for ion transport |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10134793.6 | 2001-07-07 | ||
DE10134793A DE10134793A1 (de) | 2001-07-07 | 2001-07-07 | Membranen für Ionentransport |
DE10158006.1 | 2001-11-22 | ||
DE10158006 | 2001-11-22 |
Publications (4)
Publication Number | Publication Date |
---|---|
WO2003014201A2 WO2003014201A2 (de) | 2003-02-20 |
WO2003014201A8 WO2003014201A8 (de) | 2003-07-31 |
WO2003014201A9 true WO2003014201A9 (de) | 2003-10-30 |
WO2003014201A3 WO2003014201A3 (de) | 2005-04-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2002/007585 WO2003014201A2 (de) | 2001-07-07 | 2002-07-08 | Membranen für ionentransport |
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AU (1) | AU2002336925A1 (de) |
WO (1) | WO2003014201A2 (de) |
Families Citing this family (1)
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DE10320320B4 (de) * | 2003-05-06 | 2007-08-16 | Forschungszentrum Jülich GmbH | Katalysatorschicht, geeignete Katalysatorpaste, sowie Herstellungsverfahren derselben |
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US4380590A (en) * | 1978-09-19 | 1983-04-19 | Rohm And Haas Company | Emulsion copolymer cation exchange resins |
US4508852A (en) * | 1983-09-22 | 1985-04-02 | Albany International Corp. | Compositions and method of preparation by chlorosulfonation of difficultly sulfonatable poly(ether sulfone) |
US5997642A (en) | 1996-05-21 | 1999-12-07 | Symetrix Corporation | Method and apparatus for misted deposition of integrated circuit quality thin films |
DE19622337C1 (de) | 1996-06-04 | 1998-03-12 | Dlr Deutsche Forschungsanstalt | Vernetzung von modifizierten Engineering Thermoplasten |
US6024799A (en) | 1997-07-11 | 2000-02-15 | Applied Materials, Inc. | Chemical vapor deposition manifold |
-
2002
- 2002-07-08 WO PCT/EP2002/007585 patent/WO2003014201A2/de active Search and Examination
- 2002-07-08 AU AU2002336925A patent/AU2002336925A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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WO2003014201A8 (de) | 2003-07-31 |
WO2003014201A2 (de) | 2003-02-20 |
AU2002336925A1 (en) | 2003-02-24 |
WO2003014201A3 (de) | 2005-04-07 |
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