CA1052858A - Membranes d'acide trifluostyrene sulfonique - Google Patents

Membranes d'acide trifluostyrene sulfonique

Info

Publication number: CA1052858A
Authority: CA; Canada
Prior art keywords: film; membrane; beta; chlor; grafted
Prior art date: 1975-12-30
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

Application number

CA242,772A

Other languages

English (en)

Inventor

Joseph Y. Lee

Edward H. Cook (Jr.)

Vincent F. D'agostino

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Occidental Chemical Corp

Rai Research Corp

Original Assignee

Rai Research Corp

Hooker Chemicals and Plastics Corp

Priority date (The priority date 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 date listed.)

1975-12-30

Filing date

1975-12-30

Publication date

1979-04-17

1975-12-30 Application filed by Rai Research Corp, Hooker Chemicals and Plastics Corp filed Critical Rai Research Corp

1975-12-30 Priority to CA242,772A priority Critical patent/CA1052858A/fr

1979-04-17 Application granted granted Critical

1979-04-17 Publication of CA1052858A publication Critical patent/CA1052858A/fr

Status Expired legal-status Critical Current

Links

239000012528 membrane Substances 0.000 title claims abstract description 82
PAKNPEMFWIUWQV-UHFFFAOYSA-N 1,2-difluoro-2-(2-fluorophenyl)ethenesulfonic acid Chemical compound OS(=O)(=O)C(F)=C(F)C1=CC=CC=C1F PAKNPEMFWIUWQV-UHFFFAOYSA-N 0.000 title 1
238000000034 method Methods 0.000 claims abstract description 36
239000000446 fuel Substances 0.000 claims abstract description 17
230000008569 process Effects 0.000 claims abstract description 16
230000005855 radiation Effects 0.000 claims abstract description 16
229920001577 copolymer Polymers 0.000 claims abstract description 7
229920000642 polymer Polymers 0.000 claims abstract description 7
239000003960 organic solvent Substances 0.000 claims abstract 4
SUTQSIHGGHVXFK-UHFFFAOYSA-N 1,2,2-trifluoroethenylbenzene Chemical compound FC(F)=C(F)C1=CC=CC=C1 SUTQSIHGGHVXFK-UHFFFAOYSA-N 0.000 claims description 47
239000002585 base Substances 0.000 claims description 33
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 27
-1 polypropylene Polymers 0.000 claims description 22
239000000178 monomer Substances 0.000 claims description 21
239000003513 alkali Substances 0.000 claims description 19
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 16
238000006277 sulfonation reaction Methods 0.000 claims description 15
150000001875 compounds Chemical class 0.000 claims description 8
239000003014 ion exchange membrane Substances 0.000 claims description 7
239000002253 acid Substances 0.000 claims description 4
230000001590 oxidative effect Effects 0.000 claims description 4
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
238000002360 preparation method Methods 0.000 claims description 3
239000004743 Polypropylene Substances 0.000 claims description 2
150000001491 aromatic compounds Chemical class 0.000 claims description 2
125000004432 carbon atom Chemical group C* 0.000 claims description 2
238000005342 ion exchange Methods 0.000 claims description 2
239000007800 oxidant agent Substances 0.000 claims description 2
229920001155 polypropylene Polymers 0.000 claims description 2
230000001678 irradiating effect Effects 0.000 claims 3
229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
239000004810 polytetrafluoroethylene Substances 0.000 claims 2
239000004698 Polyethylene Substances 0.000 claims 1
229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims 1
229920000573 polyethylene Polymers 0.000 claims 1
229920002554 vinyl polymer Polymers 0.000 claims 1
KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 abstract description 6
XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 abstract description 6
229920002313 fluoropolymer Polymers 0.000 abstract 1
239000010408 film Substances 0.000 description 65
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 29
239000000243 solution Substances 0.000 description 20
239000000463 material Substances 0.000 description 18
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 15
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 14
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 14
239000002904 solvent Substances 0.000 description 13
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 11
239000000460 chlorine Substances 0.000 description 11
229910052801 chlorine Inorganic materials 0.000 description 11
239000001257 hydrogen Substances 0.000 description 10
229910052739 hydrogen Inorganic materials 0.000 description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
238000012360 testing method Methods 0.000 description 8
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
239000007864 aqueous solution Substances 0.000 description 7
239000012267 brine Substances 0.000 description 7
238000009792 diffusion process Methods 0.000 description 7
239000000047 product Substances 0.000 description 7
239000011780 sodium chloride Substances 0.000 description 7
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 7
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
125000003118 aryl group Chemical group 0.000 description 5
230000005012 migration Effects 0.000 description 5
238000013508 migration Methods 0.000 description 5
238000006116 polymerization reaction Methods 0.000 description 5
BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 5
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
150000008044 alkali metal hydroxides Chemical class 0.000 description 4
230000008901 benefit Effects 0.000 description 4
239000003518 caustics Substances 0.000 description 4
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
229910052753 mercury Inorganic materials 0.000 description 4
230000003647 oxidation Effects 0.000 description 4
238000007254 oxidation reaction Methods 0.000 description 4
150000002978 peroxides Chemical class 0.000 description 4
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
230000015556 catabolic process Effects 0.000 description 3
150000001768 cations Chemical class 0.000 description 3
238000006731 degradation reaction Methods 0.000 description 3
239000003085 diluting agent Substances 0.000 description 3
238000005868 electrolysis reaction Methods 0.000 description 3
230000004907 flux Effects 0.000 description 3
239000010410 layer Substances 0.000 description 3
239000000203 mixture Substances 0.000 description 3
230000004048 modification Effects 0.000 description 3
238000012986 modification Methods 0.000 description 3
229910052760 oxygen Inorganic materials 0.000 description 3
230000009467 reduction Effects 0.000 description 3
229910000497 Amalgam Inorganic materials 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
229910001508 alkali metal halide Inorganic materials 0.000 description 2
150000008045 alkali metal halides Chemical class 0.000 description 2
125000000129 anionic group Chemical group 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
229910001882 dioxygen Inorganic materials 0.000 description 2
239000012153 distilled water Substances 0.000 description 2
239000004744 fabric Substances 0.000 description 2
229910001448 ferrous ion Inorganic materials 0.000 description 2
NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
239000011521 glass Substances 0.000 description 2
150000002431 hydrogen Chemical class 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000010525 oxidative degradation reaction Methods 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 2
239000010970 precious metal Substances 0.000 description 2
239000011347 resin Substances 0.000 description 2
229920005989 resin Polymers 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
238000012216 screening Methods 0.000 description 2
229910001415 sodium ion Inorganic materials 0.000 description 2
VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
230000004584 weight gain Effects 0.000 description 2
235000019786 weight gain Nutrition 0.000 description 2
230000004580 weight loss Effects 0.000 description 2
PEVRKKOYEFPFMN-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene;1,1,2,2-tetrafluoroethene Chemical group FC(F)=C(F)F.FC(F)=C(F)C(F)(F)F PEVRKKOYEFPFMN-UHFFFAOYSA-N 0.000 description 1
LYCAGOQDEOWYGS-UHFFFAOYSA-N 1,2,2-trifluoroethenesulfonic acid Chemical compound OS(=O)(=O)C(F)=C(F)F LYCAGOQDEOWYGS-UHFFFAOYSA-N 0.000 description 1
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
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
101100424627 Caenorhabditis elegans mec-12 gene Proteins 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
239000004809 Teflon Substances 0.000 description 1
229920006362 Teflon® Polymers 0.000 description 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
229910001514 alkali metal chloride Inorganic materials 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
239000000956 alloy Substances 0.000 description 1
238000005576 amination reaction Methods 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
229910052921 ammonium sulfate Inorganic materials 0.000 description 1
235000011130 ammonium sulphate Nutrition 0.000 description 1
239000012874 anionic emulsifier Substances 0.000 description 1
229910052785 arsenic Inorganic materials 0.000 description 1
239000010425 asbestos Substances 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
229910021538 borax Inorganic materials 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
235000008504 concentrate Nutrition 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000004132 cross linking Methods 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000007850 degeneration Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
238000005370 electroosmosis Methods 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000012527 feed solution Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
125000004991 fluoroalkenyl group Chemical group 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
238000010559 graft polymerization reaction Methods 0.000 description 1
239000010439 graphite Substances 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
229910052736 halogen Inorganic materials 0.000 description 1
150000002367 halogens Chemical class 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
239000011229 interlayer Substances 0.000 description 1
239000003456 ion exchange resin Substances 0.000 description 1
229920003303 ion-exchange polymer Polymers 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000007774 longterm Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000007769 metal material Substances 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
238000006396 nitration reaction Methods 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
239000012299 nitrogen atmosphere Substances 0.000 description 1
125000005010 perfluoroalkyl group Chemical group 0.000 description 1
239000004014 plasticizer Substances 0.000 description 1
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000005956 quaternization reaction Methods 0.000 description 1
239000000376 reactant Substances 0.000 description 1
229910052895 riebeckite Inorganic materials 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000004328 sodium tetraborate Substances 0.000 description 1
235000010339 sodium tetraborate Nutrition 0.000 description 1
239000007858 starting material Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
239000000758 substrate Substances 0.000 description 1
125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
150000003457 sulfones Chemical class 0.000 description 1
239000010409 thin film Substances 0.000 description 1
239000010936 titanium Substances 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
238000009834 vaporization Methods 0.000 description 1
230000008016 vaporization Effects 0.000 description 1

Classifications

- 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

Manufacture Of Macromolecular Shaped Articles (AREA)

CA242,772A 1975-12-30 1975-12-30 Membranes d'acide trifluostyrene sulfonique Expired CA1052858A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA242,772A CA1052858A (fr)	1975-12-30	1975-12-30	Membranes d'acide trifluostyrene sulfonique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA242,772A CA1052858A (fr)	1975-12-30	1975-12-30	Membranes d'acide trifluostyrene sulfonique

Publications (1)

Publication Number	Publication Date
CA1052858A true CA1052858A (fr)	1979-04-17

Family

ID=4104868

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA242,772A Expired CA1052858A (fr)	1975-12-30	1975-12-30	Membranes d'acide trifluostyrene sulfonique

Country Status (1)

Country	Link
CA (1)	CA1052858A (fr)

1975
- 1975-12-30 CA CA242,772A patent/CA1052858A/fr not_active Expired

Publication	Publication Date	Title
US4012303A (en)	1977-03-15	Trifluorostyrene sulfonic acid membranes
US4113922A (en)	1978-09-12	Trifluorostyrene sulfonic acid membranes
US4169023A (en)	1979-09-25	Electrolytic diaphragms, and method of electrolysis using the same
KR840001538B1 (ko)	1984-10-04	불소화 혼성막
CA1073401A (fr)	1980-03-11	Production electrolytique de dioxyde de chlore, de chlore, d'hydroxydes de metaux alcalins et d'hydrogene
CA1185558A (fr)	1985-04-16	Methode d'electrolyse de l'eau
CA1185921A (fr)	1985-04-23	Pile electrolytique a membrane echangeuse d'ions perfectionnee, et son mode d'emploi
US4683040A (en)	1987-07-28	Process for electrolysis of sodium chloride
US5164060A (en)	1992-11-17	Ion exchange membrane having increased efficiency in proton exchange processes
US4462877A (en)	1984-07-31	Composite ion exchange membranes
CA1046457A (fr)	1979-01-16	Diaphragmes electrolytiques et mode d'electrolyse
US4602045A (en)	1986-07-22	Cation-exchange resins and use as membranes in electrolytic cells
US4166014A (en)	1979-08-28	Electrolytic diaphragms, and method of electrolysis using the same
US5716504A (en)	1998-02-10	Cation exchange membrane for electrolysis and process for producing potassium hydroxide of high purity
GB1573238A (en)	1980-08-20	Electrolytic production of hydrogen iodide
US4508603A (en)	1985-04-02	Fluorinated cation exchange membrane and use thereof in electrolysis of an alkali metal halide
GB1604102A (en)	1981-12-02	Laminar structures of fluorinated ion exchange polymers
GB1604175A (en)	1981-12-02	Process for preparing fluorinated polymer containing carbonyl fluoride and/or carboxylic groups
EP0094587B1 (fr)	1987-11-11	Membrane échangeuse de cations pour l'électrolyse
EP0064389A1 (fr)	1982-11-10	Ensemble membrane/électrode, cellule d'électrolyse et procédé d'électrolyse
EP0057065B1 (fr)	1984-05-16	Fabrication d'une membrane échangeuse de cations et cellule d'électrolyse contenant cette membrane
CA1052858A (fr)	1979-04-17	Membranes d'acide trifluostyrene sulfonique
JP3511117B2 (ja)	2004-03-29	電解用陽イオン交換膜及び高純度水酸化カリウムの製造方法
US4061550A (en)	1977-12-06	Process for electrolysis
JPS62131038A (ja)	1987-06-13	含フッ素系イオン交換膜の製造方法