KR100570686B1 - 수소이온 전도성 고분자 및 이의 제조방법과, 이를포함하는 고분자 전해질막 및 이의 제조방법 - Google Patents
수소이온 전도성 고분자 및 이의 제조방법과, 이를포함하는 고분자 전해질막 및 이의 제조방법 Download PDFInfo
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- KR100570686B1 KR100570686B1 KR1020040050767A KR20040050767A KR100570686B1 KR 100570686 B1 KR100570686 B1 KR 100570686B1 KR 1020040050767 A KR1020040050767 A KR 1020040050767A KR 20040050767 A KR20040050767 A KR 20040050767A KR 100570686 B1 KR100570686 B1 KR 100570686B1
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- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229920001940 conductive polymer Polymers 0.000 title claims abstract description 37
- 239000012528 membrane Substances 0.000 title claims abstract description 34
- 239000005518 polymer electrolyte Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title 1
- 239000012024 dehydrating agents Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 22
- 125000002529 biphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C12)* 0.000 claims abstract description 9
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 5
- 239000000178 monomer Substances 0.000 claims description 35
- 229920000642 polymer Polymers 0.000 claims description 32
- 229910052731 fluorine Inorganic materials 0.000 claims description 17
- 239000011737 fluorine Substances 0.000 claims description 17
- -1 amine compound Chemical class 0.000 claims description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- ANUAIBBBDSEVKN-UHFFFAOYSA-N benzene-1,2,4,5-tetramine Chemical compound NC1=CC(N)=C(N)C=C1N ANUAIBBBDSEVKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 6
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- RLXBOUUYEFOFSW-UHFFFAOYSA-N 2,5-diaminobenzene-1,4-diol Chemical compound NC1=CC(O)=C(N)C=C1O RLXBOUUYEFOFSW-UHFFFAOYSA-N 0.000 claims description 3
- DPYROBMRMXHROQ-UHFFFAOYSA-N 4,6-diaminobenzene-1,3-diol Chemical compound NC1=CC(N)=C(O)C=C1O DPYROBMRMXHROQ-UHFFFAOYSA-N 0.000 claims description 3
- NEQFBGHQPUXOFH-UHFFFAOYSA-N 4-(4-carboxyphenyl)benzoic acid Chemical compound C1=CC(C(=O)O)=CC=C1C1=CC=C(C(O)=O)C=C1 NEQFBGHQPUXOFH-UHFFFAOYSA-N 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 6
- MIAUJDCQDVWHEV-UHFFFAOYSA-N benzene-1,2-disulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1S(O)(=O)=O MIAUJDCQDVWHEV-UHFFFAOYSA-N 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- 239000000446 fuel Substances 0.000 description 15
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229920002480 polybenzimidazole Polymers 0.000 description 6
- 239000004693 Polybenzimidazole Substances 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229920000137 polyphosphoric acid Polymers 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VOPSFYWMOIKYEM-UHFFFAOYSA-N 2,5-diaminobenzene-1,4-disulfonic acid Chemical compound NC1=CC(S(O)(=O)=O)=C(N)C=C1S(O)(=O)=O VOPSFYWMOIKYEM-UHFFFAOYSA-N 0.000 description 1
- YADSWTKOIHUSDX-UHFFFAOYSA-N 4,6-diaminobenzene-1,3-disulfonic acid Chemical compound NC1=CC(N)=C(S(O)(=O)=O)C=C1S(O)(=O)=O YADSWTKOIHUSDX-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- 229920000557 Nafion® Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002577 polybenzoxazole Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
- C08G61/124—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one nitrogen atom in the ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
- C08G61/126—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one sulfur atom in the ring
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- 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
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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
- H01M8/02—Details
- H01M8/0289—Means for holding the electrolyte
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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
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/31—Monomer units or repeat units incorporating structural elements in the main chain incorporating aromatic structural elements in the main chain
- C08G2261/316—Monomer units or repeat units incorporating structural elements in the main chain incorporating aromatic structural elements in the main chain bridged by heteroatoms, e.g. N, P, Si or B
- C08G2261/3162—Arylamines
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- 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
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Abstract
Description
Claims (15)
- 하기 화학식 3으로 표시되는 아민계 화합물 및 화학식 4로 표시되는 아민계 화합물로 이루어진 군으로부터 선택되는 1종 이상의 모노머; 및 하기 화학식 5로 표시되는 모노머를 P2O5와 CY3SO3H(Y는 각각 독립적으로 수소 또는 불소)를 포함하는 탈수제(dehydrating agent)에 분산시키는 단계; 및상기 탈수제에 분산된 모노머로부터 중합체를 제조하는 단계로 제조된 하기 화학식 1로 표시되는 반복단위 및 화학식 2로 표시되는 반복단위로 이루어진 군으로부터 선택되는 1종 이상의 반복단위를 포함하는 수소이온 전도성 고분자.[화학식 1][화학식 2][화학식 3][화학식 4][화학식 5]HOOC-R-COOH상기 화학식 1 내지 5에서, X는 각각 독립적으로 O, S, 또는 NH이고, X'는 각각 독립적으로 NH2, OH 또는 SO3H이고, R은 페닐렌(phenylene), 또는 비페닐렌(biphenylene)임.
- a) i) 하기 화학식 3으로 표시되는 아민계 화합물 및 화학식 4로 표시되는 아민계 화합물로 이루어진 군으로부터 선택되는 1종 이상의 모노머; 및 ii) 하기 화학식 5로 표시되는 모노머를 P2O5와 CY3SO3H(Y는 각각 독립적으로 수소 또는 불소)를 포함하는 탈수제(dehydrating agent)에 분산시키는 단계;b) 상기 탈수제에 분산된 모노머로부터 중합체를 제조하는 단계; 및c) 상기 중합체를 비용매(non-solvent)에 침전시켜 정제하는 단계를 포함하는 수소이온 전도성 고분자의 제조방법.[화학식 3][화학식 4][화학식 5]HOOC-R-COOH상기 화학식 3 내지 5에서, X'는 각각 독립적으로 NH2, OH 또는 SO3H이고, R은 페닐렌(phenylene), 또는 비페닐렌(biphenylene)임.
- 제2항에 있어서, 상기 화학식 3으로 표시되는 모노머는 1,2,4,5-벤젠테트라아민, 4,6-디아미노-1,3-벤젠디올 및 4,6-디아미노-1,3-벤젠디술폰산로 이루어진 군으로부터 선택되는 1종 이상인 수소이온 전도성 고분자의 제조방법.
- 제2항에 있어서, 상기 화학식 4로 표시되는 모노머는 1,2,4,5-벤젠테트라아 민, 2,5-디아미노-1,4-벤젠디올 및 2,5-디아미노-1,4-벤젠디술폰산으로 이루어진 군으로부터 선택되는 1종 이상인 수소이온 전도성 고분자의 제조방법.
- 제2항에 있어서, 상기 화학식 5로 표시되는 모노머는 이소프탈산, 테레프탈산 및 비페닐-4,4'-디카르복시산으로 이루어진 군으로부터 선택되는 1종 이상인 수소이온 전도성 고분자의 제조방법.
- 삭제
- 제2항에 있어서, 상기 P2O5는 상기 CY3SO3H(Y는 각각 독립적으로 수소 또는 불소)에 대하여 0.05 내지 0.2 g/ml의 농도로 포함되는 것인 수소이온 전도성 고분자의 제조방법.
- 하기 화학식 3으로 표시되는 아민계 화합물 및 화학식 4로 표시되는 아민계 화합물로 이루어진 군으로부터 선택되는 1종 이상의 모노머; 및 하기 화학식 5로 표시되는 모노머를 P2O5와 CY3SO3H(Y는 각각 독립적으로 수소 또는 불소)를 포함하는 탈수제(dehydrating agent)에 분산시키는 단계; 및상기 탈수제에 분산된 모노머로부터 중합체를 제조하는 단계로 제조된 하기 화학식 1로 표시되는 반복단위 및 화학식 2로 표시되는 반복단위로 이루어진 군으로부터 선택되는 1종 이상의 반복단위를 포함하는 수소이온 전도성 고분자를 포함하는 고분자 전해질막.[화학식 1][화학식 2][화학식 3][화학식 4][화학식 5]HOOC-R-COOH상기 화학식 1 내지 5에서, X는 각각 독립적으로 O, S, 또는 NH이고, X'는 각각 독립적으로 NH2, OH 또는 SO3H이고, R은 페닐렌(phenylene), 또는 비페닐렌(biphenylene)임.
- a) i) 하기 화학식 3으로 표시되는 아민계 화합물 및 화학식 4로 표시되는 아민계 화합물로 이루어진 군으로부터 선택되는 1종 이상의 모노머; 및 ii) 하기 화학식 5로 표시되는 디카르복시산계 모노머를 P2O5와 CY3SO3H(Y는 각각 독립적으로 수소 또는 불소)를 포함하는 탈수제(dehydrating agent)에 분산시키는 단계;b) 상기 탈수제에 분산된 모노머로부터 중합체를 제조하여 고분자 용액을 제조하는 단계; 및c) 상기 고분자 용액을 기재에 캐스팅하고, 건조하는 단계를 포함하는 고분자 전해질막의 제조방법.[화학식 3][화학식 4][화학식 5]HOOC-R-COOH상기 화학식 3 내지 5에서, X'는 각각 독립적으로 NH2, OH 또는 SO3H이고, R은 페닐렌(phenylene), 또는 비페닐렌(biphenylene)임.
- 제9항에 있어서, 상기 화학식 3으로 표시되는 모노머는 1,2,4,5-벤젠테트라아민, 4,6-디아미노-1,3-벤젠디올 및 4,6-디아미노-1,3-벤젠디술폰산로 이루어진 군으로부터 선택되는 1종 이상인 고분자 전해질막의 제조방법.
- 제9항에 있어서, 상기 화학식 4로 표시되는 모노머는 1,2,4,5-벤젠테트라아민, 2,5-디아미노-1,4-벤젠디올 및 2,5-디아미노-1,4-벤젠디술폰산으로 이루어진 군으로부터 선택되는 1종 이상인 고분자 전해질막의 제조방법.
- 제9항에 있어서, 상기 화학식 5로 표시되는 모노머는 이소프탈산, 테레프탈산 및 비페닐-4,4'-디카르복시산으로 이루어진 군으로부터 선택되는 1종 이상인 고분자 전해질막의 제조방법.
- 삭제
- 제9항에 있어서, 상기 P2O5는 상기 CY3SO3H(Y는 각각 독립적으로 수소 또는 불소)에 대하여 0.05 내지 0.2 g/ml의 농도로 포함되는 것인 고분자 전해질막의 제조방법.
- 제9항에 있어서, 상기 c) 단계의 캐스팅은 i) 상기 b) 단계에서 제조된 고분자 용액을 비용매(non-solvent)에 침전시켜 정제하는 단계; ii) 상기 정제된 수소이온 전도성 고분자를 유기용매에 용해시켜 수소이온 전도성 고분자 용액을 제조하는 단계; 및 iii) 상기 제조된 수소이온 전도성 고분자 용액을 기재에 캐스팅하는 단계를 포함하는 것인 고분자 전해질막의 제조방법.
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