KR20040048140A - 연료전지용 고기능성 술폰화 폴리이미드계 전해질막 제조 - Google Patents
연료전지용 고기능성 술폰화 폴리이미드계 전해질막 제조 Download PDFInfo
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- KR20040048140A KR20040048140A KR1020020075915A KR20020075915A KR20040048140A KR 20040048140 A KR20040048140 A KR 20040048140A KR 1020020075915 A KR1020020075915 A KR 1020020075915A KR 20020075915 A KR20020075915 A KR 20020075915A KR 20040048140 A KR20040048140 A KR 20040048140A
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- South Korea
- Prior art keywords
- polyamic acid
- electrolyte membrane
- formula
- sulfonated polyimide
- polyimide precursor
- Prior art date
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- 239000012528 membrane Substances 0.000 title claims abstract description 58
- 239000004642 Polyimide Substances 0.000 title claims abstract description 46
- 229920001721 polyimide Polymers 0.000 title claims abstract description 46
- 239000000446 fuel Substances 0.000 title abstract description 28
- 238000002360 preparation method Methods 0.000 title description 7
- 239000003792 electrolyte Substances 0.000 claims abstract description 48
- 229920005575 poly(amic acid) Polymers 0.000 claims abstract description 24
- 239000000126 substance Substances 0.000 claims abstract description 14
- 239000002243 precursor Substances 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 150000004985 diamines Chemical class 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims abstract description 6
- 230000000996 additive effect Effects 0.000 claims abstract description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 18
- 229920001577 copolymer Polymers 0.000 claims description 14
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003431 cross linking reagent Substances 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- 229910052785 arsenic Inorganic materials 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 238000007334 copolymerization reaction Methods 0.000 claims description 2
- 229910052733 gallium Inorganic materials 0.000 claims description 2
- 229910052732 germanium Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 229910052714 tellurium Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 238000006482 condensation reaction Methods 0.000 claims 2
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 230000008642 heat stress Effects 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000005518 polymer electrolyte Substances 0.000 description 11
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 229910010272 inorganic material Inorganic materials 0.000 description 5
- 239000011147 inorganic material Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229940100630 metacresol Drugs 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- HIYOVVWEQNNZMR-UHFFFAOYSA-N 2-(2-sulfophenyl)benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1C1=CC=CC=C1S(O)(=O)=O HIYOVVWEQNNZMR-UHFFFAOYSA-N 0.000 description 3
- 238000004566 IR spectroscopy Methods 0.000 description 3
- 229920000557 Nafion® Polymers 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- UENRXLSRMCSUSN-UHFFFAOYSA-N 3,5-diaminobenzoic acid Chemical compound NC1=CC(N)=CC(C(O)=O)=C1 UENRXLSRMCSUSN-UHFFFAOYSA-N 0.000 description 2
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 2
- MBJAPGAZEWPEFB-UHFFFAOYSA-N 5-amino-2-(4-amino-2-sulfophenyl)benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC(N)=CC=C1C1=CC=C(N)C=C1S(O)(=O)=O MBJAPGAZEWPEFB-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- MXPYJVUYLVNEBB-UHFFFAOYSA-N 2-[2-(2-carboxybenzoyl)oxycarbonylbenzoyl]oxycarbonylbenzoic acid Chemical compound OC(=O)C1=CC=CC=C1C(=O)OC(=O)C1=CC=CC=C1C(=O)OC(=O)C1=CC=CC=C1C(O)=O MXPYJVUYLVNEBB-UHFFFAOYSA-N 0.000 description 1
- AJTVSSFTXWNIRG-UHFFFAOYSA-N 2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid Chemical compound OCC[NH+](CCO)CCS([O-])(=O)=O AJTVSSFTXWNIRG-UHFFFAOYSA-N 0.000 description 1
- QQGYZOYWNCKGEK-UHFFFAOYSA-N 5-[(1,3-dioxo-2-benzofuran-5-yl)oxy]-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(OC=2C=C3C(=O)OC(C3=CC=2)=O)=C1 QQGYZOYWNCKGEK-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1057—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
- C08G73/1064—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain containing sulfur
-
- 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
-
- 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
-
- 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
-
- 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
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Fuel Cell (AREA)
Abstract
Description
Composition | 6FDA | ODPA | BDSA | ODA | MDA |
6FDO506DEO606FDO706FDO80 | 100100100100 | 50403020 | 50607080 | ||
ODM50ODM60ODM70ODM80 | 100100100100 | 50403020 | 50607080 |
25℃ | 40℃ | 60℃ | 80℃ | IEC | ||
Nafion115 | Conductivity(Scm-1) | 1.36×10-2 | 2.10×10-2 | 2.41×10-2 | 3.54×10-2 | 1.2 |
Water uptake(%) | 23.09 | 24.39 | 25.65 | 29.07 | ||
6FDO50 | Conductivity(Scm-1) | 3.94×10-3 | 6.96×10-3 | 8.16×10-3 | 9.16×10-3 | 1.69 |
Water uptake(%) | 13.24 | 15.24 | 15.58 | 17.54 | ||
6FDO60 | Conductivity(Scm-1) | 1.93×10-3 | 2.96×10-3 | 4.34×10-3 | 5.24×10-3 | 1.365 |
Water uptake(%) | 11.7 | 12.00 | 12.58 | 14.24 | ||
6FDO70 | Conductivity(Scm-1) | 1.51×10-4 | 1.81×10-4 | 2.36×10-4 | 4.10×10-4 | 0.92 |
Water uptake(%) | 8.03 | 8.75 | 8.78 | 9.52 | ||
6FDO80 | Conductivity(Scm-1) | 1.40×10-5 | 1.93×10-5 | 2.57×10-5 | 3.39×10-5 | 0.68 |
Water uptake(%) | 4.82 | 5.74 | 6.29 | 8.16 |
25℃ | 40℃ | 60℃ | 80℃ | IEC | ||
Nafion 115 | Conductivity(Scm-1) | 1.36×10-2 | 2.10×10-2 | 2.41×10-2 | 3.54×10-2 | 1.2 |
Water uptake(%) | 23.09 | 24.39 | 25.65 | 29.07 | ||
ODM50 | Conductivity(Scm-1) | 4.79×10-3 | 7.15×10-3 | 8.82×10-3 | 1.27×10-2 | 1.74 |
Water uptake(%) | 18.14 | 19.05 | 21.84 | 22.7 | ||
ODM60 | Conductivity(Scm-1) | 2.34×10-3 | 3.20×10-3 | 4.69×10-3 | 6.05×10-3 | 1.42 |
Water uptake(%) | 14.75 | 15.95 | 16.52 | 18.38 | ||
ODM70 | Conductivity(Scm-1) | 2.71×10-4 | 3.31×10-4 | 4.16×10-4 | 6.05×10-4 | 1.05 |
Water uptake(%) | 9.57 | 10.53 | 10.83 | 11.16 | ||
ODM80 | Conductivity(Scm-1) | 2.73×10-5 | 3.15×10-5 | 3.85×10-5 | 4.97×10-5 | 0.73 |
Water uptake(%) | 5.85 | 6.57 | 7.14 | 7.83 |
Claims (4)
- 다음과 같은 2단계 축합반응을 통해 화학식(3)의 반복단위를 가지는 공중합 술폰화 폴리이미드 전구체(폴리아믹산)의 제조방법;상기식에서,Ar은,,,,,,,,,,,,,,,,,,,,,,,,,,,,Ar’는,,,,Ar”는,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,-(CH2)n- (n=4∼10)실시예 1과 2와 같은 방법으로 온도 30℃, 질소분위기 하에서 서로 다른 두 종류의 다이아민을 용해시킨 후 혼합물에 다이안하이드라이드를 혼합하여 0℃~상온에서 충분히 교반하여 화학식(3)의 공중합 술폰화 폴리이미드 전구체(폴리아믹산)를 제조하는 방법.이 용액 자체를 이용하여도 무방하며 에틸아세테이트에 침전시켜 공중합 술폰화 폴리이미드 전구체(폴리아믹산) 분말을 제조하여 이를 NMP등의 유기용매에 녹여서 다시 용액을 제조할 수도 있다.
- 다음과 같은 2단계 축합반응을 통해 화학식(4), (5)의 반복단위를 가지는 가교형 공중합 술폰화 폴리이미드 전구체(폴리아믹산)의 제조방법;상기식에서,Ar은 화학식(1)의 Ar과 동일 ;Ar’는,,,,,,Ar”은,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,,,,,-(CH2)n- (n=4∼10)B는,,,청구항 1과 같은 방법으로 화학식(4)의 공중합 술폰화 폴리이미드 전구체(폴리아믹산) 용액을 제조한 후 가교제(B)를 첨가해서 충분히 교반하여 화학식(5)의 가교형 공중합 술폰화 폴리이미드 전구체(폴리아믹산) 용액을 제조하는 방법.
- 청구항 1, 2를 통해 제조 가능한 화학식(3), (4), (5)의 공중합 및 가교형 공중합 술폰화 폴리이미드 전구체(폴리아믹산) 용액에 무기 첨가제를 더 포함하는 제조방법.상기 무기 첨가제는 Hm(XxYyOz)(nH2O)이며 X는 B, Al, Ga, Si, Ge, Sn, P, As, Sb, Te 및 제 1, 2, 3 그룹 전이원소 중에서 선택된 어느 하나이며, Y는 제 1, 2, 3 그룹 전이원소 중에 선택된 어느 하나이다.
- 청구항 1을 통하여 제조한 공중합 술폰화 폴리아믹산 용액과 청구항 2를 통하여 제조한 가교형 공중합 술폰화 폴리아믹산 용액 그리고 청구항 3을 통하여 제조한 무기첨가제를 함유하고 있는 용액을 스핀 코우터나 닥터브래이드를 이용하여 hot plate나 진공오븐에서 한시간 동안 80℃에서 프리베이크한 후 승온시켜서 150∼300℃의 온도사이에서 충분히 열경화 및 가교시켜서 수㎛∼수백㎛의 두께를 가진 안정화된 화학식(1)의 공중합 술폰화 폴리이미드 전해질막과 화학식(2)의 가교형 공중합 술폰화 폴리이미드 전해질막 그리고 유·무기 복합 전해질막 제조방법 및 제조되어진 전해질막.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100562469B1 (ko) * | 2004-11-16 | 2006-03-17 | 주식회사 코오롱 | 열가소성 폴리이미드 공중합체 그리고 그 제조방법 및연성 동박 폴리이미드 적층체 |
KR100655176B1 (ko) * | 2005-08-11 | 2006-12-08 | 한양대학교 산학협력단 | 가교 폴리이미드와 전자재료로서의 그의 응용 |
CN104183806A (zh) * | 2014-08-13 | 2014-12-03 | 江苏安瑞达新材料有限公司 | 一种复合锂电池隔膜及其制备方法 |
-
2002
- 2002-12-02 KR KR1020020075915A patent/KR20040048140A/ko not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100562469B1 (ko) * | 2004-11-16 | 2006-03-17 | 주식회사 코오롱 | 열가소성 폴리이미드 공중합체 그리고 그 제조방법 및연성 동박 폴리이미드 적층체 |
KR100655176B1 (ko) * | 2005-08-11 | 2006-12-08 | 한양대학교 산학협력단 | 가교 폴리이미드와 전자재료로서의 그의 응용 |
CN104183806A (zh) * | 2014-08-13 | 2014-12-03 | 江苏安瑞达新材料有限公司 | 一种复合锂电池隔膜及其制备方法 |
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