KR101514688B1 - 폴리비닐리덴 플루오라이드 및 부분술폰화 폴리아릴렌계 고분자의 혼합용액으로부터 제조된 수투과성, 분리선택성 및 내오염성이 개선된 새로운 친수성 멤브레인 제조방법 - Google Patents
폴리비닐리덴 플루오라이드 및 부분술폰화 폴리아릴렌계 고분자의 혼합용액으로부터 제조된 수투과성, 분리선택성 및 내오염성이 개선된 새로운 친수성 멤브레인 제조방법 Download PDFInfo
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- KR101514688B1 KR101514688B1 KR1020130113312A KR20130113312A KR101514688B1 KR 101514688 B1 KR101514688 B1 KR 101514688B1 KR 1020130113312 A KR1020130113312 A KR 1020130113312A KR 20130113312 A KR20130113312 A KR 20130113312A KR 101514688 B1 KR101514688 B1 KR 101514688B1
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- 229920000642 polymer Polymers 0.000 title claims abstract description 84
- 229920000412 polyarylene Polymers 0.000 title claims abstract description 59
- 229920002981 polyvinylidene fluoride Polymers 0.000 title claims abstract description 43
- 239000002033 PVDF binder Substances 0.000 title claims abstract description 42
- 239000012528 membrane Substances 0.000 title claims abstract description 40
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- 230000035699 permeability Effects 0.000 title abstract description 18
- 238000002360 preparation method Methods 0.000 title abstract description 7
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- 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 claims description 23
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 18
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 15
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- -1 poly (arylene sulfide Chemical compound 0.000 claims description 12
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 11
- 239000000178 monomer Substances 0.000 claims description 11
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000003085 diluting agent Substances 0.000 claims description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 229920013654 poly(arylene sulfone) Polymers 0.000 claims description 5
- XRASRVJYOMVDNP-UHFFFAOYSA-N 4-(7-azabicyclo[4.1.0]hepta-1,3,5-triene-7-carbonyl)benzamide Chemical compound C1=CC(C(=O)N)=CC=C1C(=O)N1C2=CC=CC=C21 XRASRVJYOMVDNP-UHFFFAOYSA-N 0.000 claims description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 3
- 150000003462 sulfoxides Chemical class 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 229920002863 poly(1,4-phenylene oxide) polymer Polymers 0.000 claims description 2
- 229920006156 poly(arylene oxide) Polymers 0.000 claims description 2
- 229920001643 poly(ether ketone) Polymers 0.000 claims description 2
- 229920013639 polyalphaolefin Polymers 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 150000003457 sulfones Chemical class 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims 1
- UBKQRASXZMLQRJ-UHFFFAOYSA-N 2-phenylsulfanylethanamine Chemical compound NCCSC1=CC=CC=C1 UBKQRASXZMLQRJ-UHFFFAOYSA-N 0.000 claims 1
- 238000001637 plasma atomic emission spectroscopy Methods 0.000 claims 1
- 229920002852 poly(2,6-dimethyl-1,4-phenylene oxide) polymer Polymers 0.000 claims 1
- 229920000110 poly(aryl ether sulfone) Polymers 0.000 claims 1
- 229920000131 polyvinylidene Polymers 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 14
- 239000012982 microporous membrane Substances 0.000 abstract description 14
- 238000011109 contamination Methods 0.000 abstract description 9
- 238000005191 phase separation Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 3
- 235000013361 beverage Nutrition 0.000 abstract description 2
- 239000003814 drug Substances 0.000 abstract description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000009928 pasteurization Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 229910021642 ultra pure water Inorganic materials 0.000 abstract description 2
- 239000012498 ultrapure water Substances 0.000 abstract description 2
- 238000006277 sulfonation reaction Methods 0.000 description 23
- 238000002474 experimental method Methods 0.000 description 15
- 230000035484 reaction time Effects 0.000 description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- 238000012512 characterization method Methods 0.000 description 2
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- 239000000356 contaminant Substances 0.000 description 2
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- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 125000001174 sulfone group Chemical group 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 229920000930 2, 6-dimethyl-1, 4-phenylene oxide Polymers 0.000 description 1
- GVLZQVREHWQBJN-UHFFFAOYSA-N 3,5-dimethyl-7-oxabicyclo[2.2.1]hepta-1,3,5-triene Chemical compound CC1=C(O2)C(C)=CC2=C1 GVLZQVREHWQBJN-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229920013633 Fortron Polymers 0.000 description 1
- 239000004738 Fortron® Substances 0.000 description 1
- 229920007485 Kynar® 761 Polymers 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
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- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
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- 238000004090 dissolution Methods 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000004941 mixed matrix membrane Substances 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 108010004034 stable plasma protein solution Proteins 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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Classifications
-
- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- 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
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
본 발명에 따르면 PVDF 막의 여과성능을 거의 그대로 유지한 채 수투과성 및 오염 저항성이 개선된 새로운 미세 다공성 막을 제조할 수 있다.
본 발명의 미세 다공성 막은 이러한 개선된 특성으로 인해 폐수처리, 주스나 주류의 여과, 반도체 제조에 사용되는 초순수 물 제조, 금속 회수, 음료나 의약품의 저온살균, 의료, 연속배양, 핵발전소 등의 응축수 정제, 유수분리 등의 분야에서 아주 유용하게 사용될 수 있을 것으로 기대된다.
Description
도 2는 PPS와 클로로술폰산의 몰비가 1 : 5 와 1 : 10인 경우, 술폰화 반응시간에 따른 sPPS의 술폰화도를 나타낸 그래프이다.
도 3은 PVDF/sPPS 고분자 용액을 제조하기 위해 사용한 반응기의 사진이다.
도 4는 PVDF/sPPS 막의 제조과정을 촬영한 사진이다.
도 5는 PVDF/sPPS 막(실험군1)의 단면을 SEM으로 촬영한 사진이다.
도 6은 PVDF/sPPS 막(실험군2)의 단면을 SEM으로 촬영한 사진이다.
도 7은 PVDF/sPPS 막의 수투과성을 측정하여 나타낸 그래프이다.
도 8은 PVDF/sPPS 막의 물방울에 대한 접촉각을 측정한 결과이다.
도 9는 PVDF/sPPS 막의 PEO에 대한 여과성능을 측정하여 나타낸 그래프이다.
도 10은 PVDF/sPPS 막의 BSA에 대한 오염 저항성을 측정하여 나타낸 그래프이다.
PPS/ClSO3H (mole/mole) |
반응시간(h) | DS(술폰화도) | [η] 고유점도(dL/gm) |
1/5 | 1 | 0.0818 | 0.228 |
1/5 | 3 | 0.1129 | 0.219 |
1/5 | 5 | 0.1256 | 0.191 |
1/5 | 10 | 0.1772 | 0.181 |
1/5 | 15 | 0.2278 | 0.179 |
1/5 | 24 | 0.2607 | 0.163 |
1/5 | 48 | 0.3209 | 0.148 |
1/10 | 1 | 0.1881 | 0.181 |
1/10 | 3 | 0.3258 | 0.172 |
1/10 | 5 | 0.4096 | 0.169 |
1/10 | 10 | 0.4561 | 0.147 |
1/10 | 15 | 0.5823 | 0.121 |
1/10 | 24 | 0.6697 | 0.119 |
1/10 | 48 | 0.7201 | 0.112 |
Volume ratio(gm) | Temp. | Time(h) | Speed(rpm) | |||
sPPS | PVDF | NMP | ||||
대조군 | 0 | 16 | 84 | 60℃ |
24 |
180 |
실험군1 | 0.1 | 16 | 83.9 | |||
실험군2 | 0.5 | 16 | 83.5 | |||
실험군3 | 1 | 16 | 83 | |||
실험군4 | 1.5 | 16 | 82.5 | |||
실험군5 | 3 | 16 | 81 |
막 | 접촉각(°) |
대조군 | 76 |
실험군1 | 70.29 |
실험군2 | 64.35 |
실험군3 | 61.87 |
실험군4 | 62.07 |
실험군5 | 62.82 |
TOC(㎎/ℓ) | |
PEO | 75.68 |
대조군 | 5.128 |
실험군1 | 5.344 |
실험군2 | 5.439 |
실험군3 | 5.585 |
실험군4 | 5.778 |
실험군5 | 7.571 |
Claims (11)
- 폴리비닐리덴 플루오라이드[Poly(vinylidene difluoride)] 및 부분술폰화 폴리아릴렌계 고분자를 용매에 용해하여 고분자 용액을 제조하는 단계; 및
상기 고분자 용액을 사용하여 용매교환법으로 막을 제조하는 단계;를 포함하되,
상기 부분술폰화 폴리아릴렌계 고분자는 폴리아릴렌계 고분자와 클로로술폰산(chlorosulfonic acid)을 반응시켜 제조하며,
상기 폴리아릴렌계 고분자가 다음 화학식 1로 표시되는 경우, 상기 반응은 폴리아릴렌계 고분자 단량체와 클로로술폰산의 몰비가 1 : 0.75 내지 1 : 7이 되도록 폴리아릴렌계 고분자와 클로로술폰산을 혼합하고 메틸렌클로라이드(methylene chloride)를 반응희석제로 첨가하여 상온에서 2 내지 48시간 이루어지고,
상기 폴리아릴렌계 고분자가 다음 화학식 2로 표시되는 경우, 상기 반응은 폴리아릴렌계 고분자 단량체와 클로로술폰산의 몰비가 1 : 0.75 내지 1 : 14가 되도록 폴리아릴렌계 고분자와 클로로술폰산을 혼합하고 메틸렌클로라이드를 반응희석제로 첨가하여 상온에서 2 내지 48시간 이루어지며,
상기 폴리아릴렌계 고분자가 다음 화학식 3으로 표시되는 경우, 상기 반응은 폴리아릴렌계 고분자 단량체와 클로로술폰산의 몰비가 1 : 0.75 내지 1 : 21이 되도록 폴리아릴렌계 고분자와 클로로술폰산을 혼합하고 메틸렌클로라이드를 반응희석제로 첨가하여 상온에서 2 내지 48시간 이루어지는 것을 특징으로 하는 미세 다공성 막 제조방법.
[화학식 1]
[화학식 2]
[화학식 3]
이때, 상기 X, Y 및 Z는 각각 독립적으로 S, O, 술폭사이드(sulfoxide), 술폰(sulfone), 케톤(ketone) 또는 아마이드(amide)로 X, Y 및 Z 중 어느 하나가 나머지 둘과 다르거나 X, Y 및 Z 모두 서로 다르며, R1 내지 R12는 각각 독립적으로 H 또는 CH3이고, n은 정수이다. - 제 1항에 있어서,
상기 폴리아릴렌계 고분자는 폴리파라페닐렌술파이드[Poly(p-phenylene sulfide), PPS], 폴리아릴렌술파이드[Poly(arylene sulfide), PAS], 폴리아릴렌술폭사이드[Poly(arylene sulfoxide), PAS], 폴리아릴렌술폰[Poly(arylene sulfone)], 폴리아릴렌옥사이드[Poly(arylene oxide), PAO], 폴리파라페닐렌옥사이드[Poly(p-phenylene oxide)], 폴리-2,6-디메틸-1,4-페닐렌옥사이드[Poly(2,6-dimethyl-1,4-phenylene oxide), PPO], 폴리아릴렌에테르술폰[Poly(arylene ether sulfone), PAES], 폴리아릴렌케톤[Poly(arylene ketone), PAK], 폴리아릴렌에테르케톤[Poly(arylene ether ketone), PEK], 폴리아릴렌에테르에테르케톤[Poly(arylene ether ether ketone), PEEK] 및 폴리페닐렌테레프탈아미드(Poly(phenylene terephthalamide)] 중에서 선택된 것임을 특징으로 하는 미세 다공성 막 제조방법. - 제 1항에 있어서,
상기 용매는 N-메틸피롤리돈(N-methylpyrrolidone), 디메틸포름아마이드(dimethylformamide, DMF), 디메틸아세트아마이드(dimethylacetamide, DMAC) 및 디메틸설폭사이드(dimethyl sulfoxide, DMSO) 중에서 선택된 것임을 특징으로 하는 미세 다공성 막 제조방법. - 제 1항에 있어서,
상기 고분자 용액 중 폴리비닐리덴 플루오라이드와 부분술폰화 폴리아릴렌계 고분자의 중량비가 200 : 1 내지 3 : 1인 것을 특징으로 하는 미세 다공성 막 제조방법. - 제 1항에 있어서,
상기 고분자 용액은
폴리비닐리덴 플루오라이드 및 부분술폰화 폴리아릴렌계 고분자를 이들을 합한 중량을 기준으로 4 내지 6배 중량의 용매에 첨가하고, 50 내지 70℃에서 1시간 내지 2일간 교반하여 제조하는 것을 특징으로 하는 미세 다공성 막 제조방법. - 제 1항에 있어서,
상기 부분술폰화 폴리아릴렌계 고분자는
하나의 술폰산기를 갖는 방향족 탄화수소가 총 방향족 탄화수소의 10 내지 30%를 차지하도록 부분술폰화된 것임을 특징으로 하는 미세 다공성 막 제조방법. - 삭제
- 삭제
- 삭제
- 삭제
- 제 1항에 있어서,
상기 막을 제조하는 단계는
상기 고분자 용액을 다공성 지지체에 함침 또는 도포하고,
물, 저급알코올 또는 이들의 혼합용액을 비용매로 하는 용매교환법을 수행하는 것을 특징으로 하는 미세 다공성 막 제조방법.
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