KR101107139B1 - 내오염성 및 내염소성이 우수한 폴리아미드계 역삼투 복합막 및 그 제조방법 - Google Patents
내오염성 및 내염소성이 우수한 폴리아미드계 역삼투 복합막 및 그 제조방법 Download PDFInfo
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- KR101107139B1 KR101107139B1 KR1020090115712A KR20090115712A KR101107139B1 KR 101107139 B1 KR101107139 B1 KR 101107139B1 KR 1020090115712 A KR1020090115712 A KR 1020090115712A KR 20090115712 A KR20090115712 A KR 20090115712A KR 101107139 B1 KR101107139 B1 KR 101107139B1
- Authority
- KR
- South Korea
- Prior art keywords
- polyamide
- thin film
- reverse osmosis
- composite membrane
- membrane
- Prior art date
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- 229920002647 polyamide Polymers 0.000 title claims abstract description 169
- 239000004952 Polyamide Substances 0.000 title claims abstract description 148
- 239000012528 membrane Substances 0.000 title claims abstract description 146
- 239000002131 composite material Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims description 28
- 239000000460 chlorine Substances 0.000 title abstract description 26
- 229910052801 chlorine Inorganic materials 0.000 title abstract description 26
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title abstract description 25
- 239000010409 thin film Substances 0.000 claims abstract description 80
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 57
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910000077 silane Inorganic materials 0.000 claims abstract description 49
- 239000000243 solution Substances 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 31
- 239000007864 aqueous solution Substances 0.000 claims abstract description 28
- 238000000576 coating method Methods 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000004132 cross linking Methods 0.000 claims abstract description 13
- 239000010408 film Substances 0.000 claims abstract description 13
- 230000003213 activating effect Effects 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 238000007602 hot air drying Methods 0.000 claims description 8
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 7
- HHPPHUYKUOAWJV-UHFFFAOYSA-N triethoxy-[4-(oxiran-2-yl)butyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCCC1CO1 HHPPHUYKUOAWJV-UHFFFAOYSA-N 0.000 claims description 5
- LTOKKZDSYQQAHL-UHFFFAOYSA-N trimethoxy-[4-(oxiran-2-yl)butyl]silane Chemical compound CO[Si](OC)(OC)CCCCC1CO1 LTOKKZDSYQQAHL-UHFFFAOYSA-N 0.000 claims description 5
- WKRJCCZAZDZNJL-UHFFFAOYSA-N 2-methoxyethoxysilicon Chemical compound COCCO[Si] WKRJCCZAZDZNJL-UHFFFAOYSA-N 0.000 claims description 4
- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 claims description 4
- 229940043349 potassium metabisulfite Drugs 0.000 claims description 4
- 235000010263 potassium metabisulphite Nutrition 0.000 claims description 4
- QMBSEKLOGVDBLD-UHFFFAOYSA-N triethoxy-[2-(oxiran-2-yl)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCC1CO1 QMBSEKLOGVDBLD-UHFFFAOYSA-N 0.000 claims description 4
- LCQILSDRWQKXDO-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-yl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCC1CO1 LCQILSDRWQKXDO-UHFFFAOYSA-N 0.000 claims description 4
- NVHGPBWXDPPIDQ-UHFFFAOYSA-N trimethoxy-[2-(oxiran-2-yl)ethyl]silane Chemical group CO[Si](OC)(OC)CCC1CO1 NVHGPBWXDPPIDQ-UHFFFAOYSA-N 0.000 claims description 4
- INFBTIHDWYFQPG-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-yl)propyl]silane Chemical compound CO[Si](OC)(OC)CCCC1CO1 INFBTIHDWYFQPG-UHFFFAOYSA-N 0.000 claims description 4
- 230000003204 osmotic effect Effects 0.000 claims description 3
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 3
- -1 Pollution Resistant Chemical compound 0.000 abstract description 21
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 38
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000011109 contamination Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 12
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 11
- 150000001412 amines Chemical class 0.000 description 11
- 239000011780 sodium chloride Substances 0.000 description 11
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 125000000217 alkyl group Chemical group 0.000 description 9
- 125000003118 aryl group Chemical group 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 8
- 239000004593 Epoxy Substances 0.000 description 7
- 150000001266 acyl halides Chemical class 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000012695 Interfacial polymerization Methods 0.000 description 6
- 239000005018 casein Substances 0.000 description 6
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 6
- 235000021240 caseins Nutrition 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000012466 permeate Substances 0.000 description 6
- 238000005211 surface analysis Methods 0.000 description 6
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920002492 poly(sulfone) Polymers 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000003586 protic polar solvent Substances 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000010612 desalination reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 3
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 2
- KRSNNVWORUWKSH-UHFFFAOYSA-N 2-(oxiran-2-ylmethoxy)ethyl-tripropoxysilane Chemical compound CCCO[Si](OCCC)(OCCC)CCOCC1CO1 KRSNNVWORUWKSH-UHFFFAOYSA-N 0.000 description 2
- DAJFVZRDKCROQC-UHFFFAOYSA-N 3-(oxiran-2-ylmethoxy)propyl-tripropoxysilane Chemical compound CCCO[Si](OCCC)(OCCC)CCCOCC1CO1 DAJFVZRDKCROQC-UHFFFAOYSA-N 0.000 description 2
- QVQROLPFTKFLBU-UHFFFAOYSA-N 4-(oxiran-2-ylmethoxy)butyl-tripropoxysilane Chemical compound CCCO[Si](OCCC)(OCCC)CCCCOCC1CO1 QVQROLPFTKFLBU-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910003849 O-Si Inorganic materials 0.000 description 2
- 229910003872 O—Si Inorganic materials 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229940088516 cipro Drugs 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009285 membrane fouling Methods 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- IMZDHGUWOUSUDA-UHFFFAOYSA-N oxiran-2-ylmethoxymethyl(tripropoxy)silane Chemical compound CCCO[Si](OCCC)(OCCC)COCC1CO1 IMZDHGUWOUSUDA-UHFFFAOYSA-N 0.000 description 2
- 239000003880 polar aprotic solvent Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 150000003141 primary amines Chemical group 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 2
- MLTZHLHGXYAZPU-UHFFFAOYSA-N tributoxy(oxiran-2-ylmethoxymethyl)silane Chemical compound CCCCO[Si](OCCCC)(OCCCC)COCC1CO1 MLTZHLHGXYAZPU-UHFFFAOYSA-N 0.000 description 2
- AAIBUMCPBXSZDU-UHFFFAOYSA-N tributoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CCCCO[Si](OCCCC)(OCCCC)CCOCC1CO1 AAIBUMCPBXSZDU-UHFFFAOYSA-N 0.000 description 2
- FQYWWLSIKWDAEC-UHFFFAOYSA-N tributoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCCCO[Si](OCCCC)(OCCCC)CCCOCC1CO1 FQYWWLSIKWDAEC-UHFFFAOYSA-N 0.000 description 2
- UNKMHLWJZHLPPM-UHFFFAOYSA-N triethoxy(oxiran-2-ylmethoxymethyl)silane Chemical compound CCO[Si](OCC)(OCC)COCC1CO1 UNKMHLWJZHLPPM-UHFFFAOYSA-N 0.000 description 2
- RWJUTPORTOUFDY-UHFFFAOYSA-N triethoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCOCC1CO1 RWJUTPORTOUFDY-UHFFFAOYSA-N 0.000 description 2
- GSUGNQKJVLXBHC-UHFFFAOYSA-N triethoxy-[4-(oxiran-2-ylmethoxy)butyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCCOCC1CO1 GSUGNQKJVLXBHC-UHFFFAOYSA-N 0.000 description 2
- LFBULLRGNLZJAF-UHFFFAOYSA-N trimethoxy(oxiran-2-ylmethoxymethyl)silane Chemical group CO[Si](OC)(OC)COCC1CO1 LFBULLRGNLZJAF-UHFFFAOYSA-N 0.000 description 2
- ZNXDCSVNCSSUNB-UHFFFAOYSA-N trimethoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CO[Si](OC)(OC)CCOCC1CO1 ZNXDCSVNCSSUNB-UHFFFAOYSA-N 0.000 description 2
- GUKYSRVOOIKHHB-UHFFFAOYSA-N trimethoxy-[4-(oxiran-2-ylmethoxy)butyl]silane Chemical compound CO[Si](OC)(OC)CCCCOCC1CO1 GUKYSRVOOIKHHB-UHFFFAOYSA-N 0.000 description 2
- LOWMYOWHQMKBTM-UHFFFAOYSA-N 1-butylsulfinylbutane Chemical compound CCCCS(=O)CCCC LOWMYOWHQMKBTM-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
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- 239000004743 Polypropylene Substances 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 229910020175 SiOH Inorganic materials 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
- 125000005011 alkyl ether group Chemical group 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- MYSWGUAQZAJSOK-UHFFFAOYSA-N ciprofloxacin Chemical compound C12=CC(N3CCNCC3)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1 MYSWGUAQZAJSOK-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- YMHQVDAATAEZLO-UHFFFAOYSA-N cyclohexane-1,1-diamine Chemical group NC1(N)CCCCC1 YMHQVDAATAEZLO-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003461 sulfonyl halides Chemical class 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- ISXOBTBCNRIIQO-UHFFFAOYSA-N tetrahydrothiophene 1-oxide Chemical compound O=S1CCCC1 ISXOBTBCNRIIQO-UHFFFAOYSA-N 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 229920003176 water-insoluble polymer Polymers 0.000 description 1
Images
Classifications
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- 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
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Description
Claims (14)
- 다공성 지지층 상에 폴리아미드 박막을 형성하는 단계;상기 폴리아미드 박막 형성 이후에, 상기 폴리아미드 박막 표면을 글리콜 용액으로 처리하여 상기 폴리아미드 박막 표면의 습윤성을 높이는 단계;상기 습윤성을 높인 폴리아미드 박막 표면에 라디칼을 생성시키기 위해 에칭제를 사용하여 폴리아미드 박막 표면을 활성화시키는 단계;상기 활성화된 폴리아미드 박막 표면을 에폭시-실란 화합물의 용액으로 코팅 또는 가교하고 건조하는 단계; 및상기 건조된 막을 염기성 수용액으로 수세하는 단계를 포함하며,상기 에폭시-실란 화합물은 하기 화학식 2로 표시되는 글리시딜알킬트리알콕시실란인 것을 특징으로 하는 폴리아미드계 역삼투 복합막의 제조방법:[화학식 2]
- 제1항에 있어서,상기 글리콜은 프로필렌 글리콜, 에틸렌 글리콜, 프로필렌 글리콜, 다이에틸렌 글리콜 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것을 특징으로 하는 폴리아미드계 역삼투 복합막의 제조방법.
- 제2항에 있어서,상기 글리콜 용액의 농도는 0.1 내지 10 중량%인 것을 특징으로 하는 폴리아미드계 역삼투 복합막의 제조방법.
- 제1항에 있어서,상기 에칭제는 수산화칼륨, 수산화나트륨, 소듐에톡사이드, 과황산칼륨 및 메타중아황산칼륨으로 이루어진 군으로부터 선택되는 것을 특징으로 하는 폴리아미드계 역삼투 복합막의 제조방법.
- 제1항에 있어서,상기 에칭제의 농도는 0.001 내지 1.0 M인 것을 특징으로 하는 폴리아미드계 역삼투 복합막의 제조방법.
- 삭제
- 삭제
- 제1항에 있어서,상기 글리시딜알킬트리알콕시실란은, 글리시딜메틸트리메톡시실란, 글리시딜메틸트리에톡시실란, 2-글리시딜에틸트리메톡시실란, 2-글리시딜에틸트리에톡시실란, 3-글리시딜프로필트리메톡시실란, 3-글리시딜프로필트리에톡시실란, 3-글리시딜프로필트리(메톡시에톡시실란) 및 이들의 혼합물로부터 선택되는 적어도 하나인, 폴리아미드계 역삼투 복합막의 제조방법.
- 제1항에 있어서,상기 에폭시-실란 화합물의 농도는 0.1 내지 5 중량%인 폴리아미드계 역삼투 복합막의 제조방법.
- 제1항에 있어서,상기 에폭시-실란 화합물 용액을 상기 폴리아미드 박막 표면에 코팅 또는 가교처리한 후 25 내지 100℃ 범위에서 열풍 건조를 수행하는 단계를 더 포함하는 폴리아미드계 역삼투 복합막의 제조방법.
- 삭제
- 삭제
- 제11항에 있어서,상기 글리시딜알킬트리알콕시실란은, 글리시딜메틸트리메톡시실란, 글리시딜메틸트리에톡시실란, 2-글리시딜에틸트리메톡시실란, 2-글리시딜에틸트리에톡시실란, 3-글리시딜프로필트리메톡시실란, 3-글리시딜프로필트리에톡시실란, 3-글리시딜프로필트리(메톡시에톡시실란) 및 이들의 혼합물로부터 선택되는 적어도 하나인 폴리아미드계 역삼투 복합막.
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