JP2022544965A - 一価陰イオン選択性イオン交換膜 - Google Patents
一価陰イオン選択性イオン交換膜 Download PDFInfo
- Publication number
- JP2022544965A JP2022544965A JP2022509679A JP2022509679A JP2022544965A JP 2022544965 A JP2022544965 A JP 2022544965A JP 2022509679 A JP2022509679 A JP 2022509679A JP 2022509679 A JP2022509679 A JP 2022509679A JP 2022544965 A JP2022544965 A JP 2022544965A
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- JP
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- Prior art keywords
- exchange
- anion
- polymer electrolyte
- electrolyte
- cation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 150000001450 anions Chemical class 0.000 title claims abstract description 108
- 239000003014 ion exchange membrane Substances 0.000 title claims abstract description 92
- 239000005518 polymer electrolyte Substances 0.000 claims abstract description 122
- 238000005349 anion exchange Methods 0.000 claims abstract description 73
- 238000005341 cation exchange Methods 0.000 claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 229920000642 polymer Polymers 0.000 claims description 122
- 239000003792 electrolyte Substances 0.000 claims description 47
- 239000000178 monomer Substances 0.000 claims description 46
- 239000002243 precursor Substances 0.000 claims description 34
- 238000004132 cross linking Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 22
- 125000002091 cationic group Chemical group 0.000 claims description 20
- 239000003431 cross linking reagent Substances 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 18
- 125000000129 anionic group Chemical group 0.000 claims description 14
- 239000003999 initiator Substances 0.000 claims description 13
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 12
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 11
- 150000003863 ammonium salts Chemical class 0.000 claims description 10
- 230000001678 irradiating effect Effects 0.000 claims description 9
- 239000004094 surface-active agent Substances 0.000 claims description 9
- TVXNKQRAZONMHJ-UHFFFAOYSA-M (4-ethenylphenyl)methyl-trimethylazanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC1=CC=C(C=C)C=C1 TVXNKQRAZONMHJ-UHFFFAOYSA-M 0.000 claims description 7
- OEIXGLMQZVLOQX-UHFFFAOYSA-N trimethyl-[3-(prop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCCNC(=O)C=C OEIXGLMQZVLOQX-UHFFFAOYSA-N 0.000 claims description 6
- OFIZHEVXDIWONW-UHFFFAOYSA-N 3-prop-2-enoyloxypropane-1-sulfonic acid;sodium Chemical compound [Na].OS(=O)(=O)CCCOC(=O)C=C OFIZHEVXDIWONW-UHFFFAOYSA-N 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- BWYYYTVSBPRQCN-UHFFFAOYSA-M sodium;ethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=C BWYYYTVSBPRQCN-UHFFFAOYSA-M 0.000 claims description 4
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 claims description 4
- 239000011800 void material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- FWFUWXVFYKCSQA-UHFFFAOYSA-M sodium;2-methyl-2-(prop-2-enoylamino)propane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(C)(C)NC(=O)C=C FWFUWXVFYKCSQA-UHFFFAOYSA-M 0.000 claims description 2
- JHUFGBSGINLPOW-UHFFFAOYSA-N 3-chloro-4-(trifluoromethoxy)benzoyl cyanide Chemical compound FC(F)(F)OC1=CC=C(C(=O)C#N)C=C1Cl JHUFGBSGINLPOW-UHFFFAOYSA-N 0.000 claims 1
- 239000004971 Cross linker Substances 0.000 claims 1
- 229910000162 sodium phosphate Inorganic materials 0.000 claims 1
- 239000001488 sodium phosphate Substances 0.000 claims 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract description 10
- 239000000243 solution Substances 0.000 description 40
- 238000003825 pressing Methods 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000003011 anion exchange membrane Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 229920006037 cross link polymer Polymers 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 239000002952 polymeric resin Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 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 5
- 239000002253 acid Substances 0.000 description 5
- 238000003795 desorption Methods 0.000 description 5
- 239000012466 permeate Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 4
- 229920000867 polyelectrolyte Polymers 0.000 description 4
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 3
- QJRVOJKLQNSNDB-UHFFFAOYSA-N 4-dodecan-3-ylbenzenesulfonic acid Chemical compound CCCCCCCCCC(CC)C1=CC=C(S(O)(=O)=O)C=C1 QJRVOJKLQNSNDB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 3
- 238000000909 electrodialysis Methods 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 description 3
- SZHIIIPPJJXYRY-UHFFFAOYSA-M sodium;2-methylprop-2-ene-1-sulfonate Chemical compound [Na+].CC(=C)CS([O-])(=O)=O SZHIIIPPJJXYRY-UHFFFAOYSA-M 0.000 description 3
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 3
- AUZRCMMVHXRSGT-UHFFFAOYSA-N 2-methylpropane-1-sulfonic acid;prop-2-enamide Chemical compound NC(=O)C=C.CC(C)CS(O)(=O)=O AUZRCMMVHXRSGT-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 150000003512 tertiary amines Chemical group 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2,2'-azo-bis-isobutyronitrile Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- NZEDMAWEJPYWCD-UHFFFAOYSA-N 3-prop-2-enylsulfonylprop-1-ene Chemical compound C=CCS(=O)(=O)CC=C NZEDMAWEJPYWCD-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- BRNSDZXPWPGHIR-UHFFFAOYSA-N C(C=C)(=O)N1CCN(CC1)C(C=C)=O.C(C=C)(=O)N1CCN(CC1)C(C=C)=O Chemical compound C(C=C)(=O)N1CCN(CC1)C(C=C)=O.C(C=C)(=O)N1CCN(CC1)C(C=C)=O BRNSDZXPWPGHIR-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 1
- 229920002518 Polyallylamine hydrochloride Polymers 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- SQEMFEDEQMBYHE-UHFFFAOYSA-N n-[(prop-2-enoylamino)methyl]prop-2-enamide Chemical compound C=CC(=O)NCNC(=O)C=C.C=CC(=O)NCNC(=O)C=C SQEMFEDEQMBYHE-UHFFFAOYSA-N 0.000 description 1
- ZMLXKXHICXTSDM-UHFFFAOYSA-N n-[1,2-dihydroxy-2-(prop-2-enoylamino)ethyl]prop-2-enamide Chemical compound C=CC(=O)NC(O)C(O)NC(=O)C=C ZMLXKXHICXTSDM-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
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Abstract
Description
多孔性構造を有する高分子支持体と、前記高分子支持体に含浸されたイオン交換高分子電解質と、を含む一価陰イオン選択性イオン交換膜であり、前記イオン交換高分子電解質は、陰イオン交換高分子電解質及び陽イオン交換高分子電解質を含み、前記高分子支持体中心部に、陰イオン交換高分子電解質が含浸され、前記高分子支持体表面部に、陽イオン交換高分子電解質が含浸されたものである一価陰イオン選択性イオン交換膜を提供する。
陽イオン基を有する電解質モノマー、架橋剤、開始剤、及び溶媒を含む陰イオン交換前駆体溶液に、多孔性高分子支持体を含浸させる段階と、前記多孔性高分子支持体に光を照射し、前記陰イオン交換前駆体溶液を架橋反応させ、前記多孔性高分子支持体中心部に、陰イオン交換高分子電解質を形成させる段階と、陰イオン基を有する電解質モノマー、架橋剤、開始剤、及び溶媒を含む陽イオン交換前駆体溶液に、前記陰イオン交換高分子電解質が内部に形成された多孔性高分子支持体を含浸させる段階と、及び前記陽イオン交換前駆体溶液に含浸された多孔性高分子支持体に光を照射し、前記陽イオン交換前駆体溶液を架橋反応させ、前記多孔性高分子支持体表面部に、陽イオン交換高分子電解質を形成させる段階と、を含む一価陰イオン選択性イオン交換膜の製造方法を提供する。
多孔性構造を有する高分子支持体と、前記高分子支持体に含浸されたイオン交換高分子電解質と、を含む一価陰イオン選択性イオン交換膜であり、前記イオン交換高分子電解質は、陰イオン交換高分子電解質及び陽イオン交換高分子電解質を含み、前記高分子支持体中心部に、陰イオン交換高分子電解質が含浸され、前記高分子支持体表面部に、陽イオン交換高分子電解質が含浸されたものである一価陰イオン選択性イオン交換膜を提供する。
陽イオン基を有する電解質モノマー、架橋剤、開始剤、及び溶媒を含む陰イオン交換前駆体溶液に、多孔性高分子支持体を含浸させる段階と、前記多孔性高分子支持体に光を照射し、前記陰イオン交換前駆体溶液を架橋反応させ、前記多孔性高分子支持体中心部に、陰イオン交換高分子電解質を形成させる段階と、陰イオン基を有する電解質モノマー、架橋剤、開始剤、及び溶媒を含む陽イオン交換前駆体溶液に、前記陰イオン交換高分子電解質が内部に形成された多孔性高分子支持体を含浸させる段階と、前記陽イオン交換前駆体溶液に含浸された多孔性高分子支持体に光を照射し、前記陽イオン交換前駆体溶液を架橋反応させ、前記多孔性高分子支持体表面部に、陽イオン交換高分子電解質を形成させる段階と、を含む一価陰イオン選択性イオン交換膜の製造方法を提供する。
1.陰イオン交換高分子電解質の充填
塩化ビニルベンジルトリメチルアンモニウム((vinylbenzyl)trimethylammonium chloride)(99%)、1,4-アクリロイルピペラジン(1,4-acryloylpiperazine)及び水が12:1:9の重量比で混合された重合溶液を準備し、メタノールに、N,N’-アゾビスイソブチロニトリルが10重量比に希釈された開始剤溶液を、0.01重量比使用した。その後、厚み16μm、気孔分布45%である多孔性ポリエチレン支持体を混合溶液に含浸させ、支持体内に単量体が十分に浸透するようにした後、ポリエチレンテレフタレート(PET)フィルム間に置き、UVAの場合、約47mW/cm2、UVBの場合、約37mW/cm2、及びUVVの場合、約35mW/cm2の強度の紫外線を照射し、架橋反応を行った。前記架橋過程を行った後、PETフィルムを除去し、支持体表面に付いた副産物を除去し、一次的に陰イオン交換膜を得た。
前述の1.陰イオン交換高分子電解質充填によって製造された陰イオン交換膜の両表面に、陽イオン交換高分子電解質を充填するために、アクリルアミド-2-メチル-1-プロパンスルホン酸(acrylamide-2-methyl-1-propanesulfonic acid)(99%)、1,4-アクリロイルピペラジン及び水を、12:1:12の重量比で混合した溶液に、前記1によって製造された陰イオン交換膜を含浸させ、前記1によって製造された陰イオン交換膜の表面部に十分に充填されていない気孔に、溶液を十分に浸透させた後、ポリエチレンテレフタレート(PET)フィルム間に置き、二次として、UVAの場合、約47mW/cm2、UVBの場合、約37mW/cm2、及びUVVの場合、約35mW/cm2の強度の紫外線を照射し、架橋反応を行った後、ポリエチレンテレフタレート(PET)フィルムを除去し、支持体表面に付いた副産物を除去し、一価陰イオン選択性陰イオン交換膜を得た。
市販中の一価陰イオン交換膜(AGC(株))を使用し、実施例と比較した。
前記実施例及び比較例によるイオン交換膜を、図4に示した測定装置に装着した後、膜左側容器には、1ノルマル濃度の塩化ナトリウム、硝酸ナトリウム、炭酸ナトリウムまたは硫酸ナトリウムの水溶液を入れ、膜右側容器には、蒸溜水を入れた。経時的に水溶液のイオンが膜試料を介して透過する量を知るために、2時間伝導度を測定した。各溶液の濃度別伝導度測定を介し、前記結果を濃度に変換させ、経時的濃度変化を図5A及び図5Bに図示した。図5Aは、前記実施例によるイオン交換膜を使用した結果データを示すグラフであり、図5Bは、前記比較例によるイオン交換膜を使用した結果データを示すグラフである。
Claims (14)
- 多孔性構造を有する高分子支持体と、
前記高分子支持体に含浸されたイオン交換高分子電解質と、を含む一価陰イオン選択性イオン交換膜であり、
前記イオン交換高分子電解質は、陰イオン交換高分子電解質及び陽イオン交換高分子電解質を含み、
前記高分子支持体中心部に、陰イオン交換高分子電解質が含浸され、
前記高分子支持体表面部に、陽イオン交換高分子電解質が含浸された、一価陰イオン選択性イオン交換膜。 - 前記陰イオン交換高分子電解質及び前記陽イオン交換高分子電解質の含量比は、下記数式1の関係を有する、請求項1に記載の一価陰イオン選択性イオン交換膜:
Aは、前記高分子支持体の中心部において、陽イオン交換高分子電解質に対する陰イオン交換高分子電解質の含量比であり、
Bは、前記高分子支持体の表面部において、陽イオン交換高分子電解質に対する陰イオン交換高分子電解質の含量比であり、
前記中心部は、前記高分子支持体の厚み100%につき、表面から中心方向に、20%ないし80%の深みまでの領域であり、
前記表面部は、前記高分子支持体の厚み100%につき、表面から中心方向に、0%ないし20%の深みまでの領域である。 - 前記高分子支持体厚み方向に沿い、表面から中心に行くほど、前記陽イオン交換高分子電解質に対する陰イオン交換高分子電解質の含量比が増大する、請求項1に記載の一価陰イオン選択性イオン交換膜。
- 前記陽イオン交換高分子電解質の含量は、陰イオン交換高分子電解質100重量部対比で、10重量部ないし40重量部である、請求項1に記載の一価陰イオン選択性イオン交換膜。
- 前記陽イオン交換高分子電解質は、陰イオン基を有するスルホン酸含有電解質モノマーが架橋重合されたものである、請求項1に記載の一価陰イオン選択性イオン交換膜。
- 前記陰イオン基を有するスルホン酸含有電解質モノマーは、2-アクリルアミド-2-メチルプロパンスルホン酸ナトリウム、ビニルスルホン酸ナトリウム、ビニルスルホン酸、アリルスルホン酸ナトリウム、2-メチル-2-プロペン-1-スルホン酸ナトリウム、3-スルホプロピルアクリル酸ナトリウム、及びそれらの組み合わせからなる群のうちから選択される物質を含む、請求項5に記載の一価陰イオン選択性イオン交換膜。
- 前記陰イオン交換高分子電解質は、陽イオン基を有する四価アンモニウム塩の電解質モノマーが架橋重合されたものである、請求項1に記載の一価陰イオン選択性イオン交換膜。
- 前記陽イオン基を有する四価アンモニウム塩の電解質モノマーは、塩化(3-アクリルアミドプロピル)トリメチルアンモニウム、塩化(ビニルベンジル)トリメチルアンモニウム、及びそれらの組み合わせからなる群のうちから選択される物質を含む、請求項7に記載の一価陰イオン選択性イオン交換膜。
- 前記多孔性高分子支持体は、空隙体積が、40%ないし50%、気孔サイズが、0.07μmないし0.1μm、厚みが、8μmないし30μmである、請求項1に記載の一価陰イオン選択性イオン交換膜。
- 前記高分子支持体厚みに対する一価陰イオン選択性イオン交換膜の厚み比は、1.0ないし1.03である、請求項1に記載の一価陰イオン選択性イオン交換膜。
- 陽イオン基を有する電解質モノマー、架橋剤、開始剤、及び溶媒を含む陰イオン交換前駆体溶液に、多孔性高分子支持体を含浸させる段階と、
前記多孔性高分子支持体に光を照射し、前記陰イオン交換前駆体溶液を架橋反応させ、前記多孔性高分子支持体中心部に、陰イオン交換高分子電解質を形成させる段階と、
陰イオン基を有する電解質モノマー、架橋剤、開始剤、及び溶媒を含む陽イオン交換前駆体溶液に、前記陰イオン交換高分子電解質が内部に形成された多孔性高分子支持体を含浸させる段階と、
前記陽イオン交換前駆体溶液に含浸された多孔性高分子支持体に光を照射し、前記陽イオン交換前駆体溶液を架橋反応させ、前記多孔性高分子支持体表面部に、陽イオン交換高分子電解質を形成させる段階と、を含む、一価陰イオン選択性イオン交換膜の製造方法。 - 前記陽イオン基を有する電解質モノマーは、四価アンモニウム塩電解質モノマーである、請求項11に記載の一価陰イオン選択性イオン交換膜の製造方法。
- 前記陰イオン基を有する電解質モノマーは、スルホン酸含有電解質モノマーである、請求項11に記載の一価陰イオン選択性イオン交換膜の製造方法。
- 前記多孔性高分子支持体は、前記陰イオン交換前駆体溶液に含浸される前、界面活性剤により、親水化処理される、請求項11に記載の一価陰イオン選択性イオン交換膜の製造方法。
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EP4015573A1 (en) | 2022-06-22 |
CN114423808A (zh) | 2022-04-29 |
KR20210020534A (ko) | 2021-02-24 |
KR102280150B1 (ko) | 2021-07-21 |
WO2021034068A1 (ko) | 2021-02-25 |
US20220298318A1 (en) | 2022-09-22 |
JP7439237B2 (ja) | 2024-02-27 |
EP4015573A4 (en) | 2023-09-13 |
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