JP2008521598A - 膜の後処理 - Google Patents
膜の後処理 Download PDFInfo
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- JP2008521598A JP2008521598A JP2007543655A JP2007543655A JP2008521598A JP 2008521598 A JP2008521598 A JP 2008521598A JP 2007543655 A JP2007543655 A JP 2007543655A JP 2007543655 A JP2007543655 A JP 2007543655A JP 2008521598 A JP2008521598 A JP 2008521598A
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- membrane
- crosslinkable component
- polymer
- ultrafiltration membrane
- ultrafiltration
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- 239000012528 membrane Substances 0.000 title claims abstract description 196
- 229920000642 polymer Polymers 0.000 claims abstract description 71
- 238000001471 micro-filtration Methods 0.000 claims abstract description 61
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 59
- 238000005374 membrane filtration Methods 0.000 claims abstract description 45
- 230000035699 permeability Effects 0.000 claims abstract description 22
- 238000004132 cross linking Methods 0.000 claims abstract description 17
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims abstract description 4
- 238000010791 quenching Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 58
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 51
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 230000002209 hydrophobic effect Effects 0.000 claims description 21
- -1 hexafluoropropylene, ethylene-chlorotrifluoroethylene, tetrafluoroethylene Chemical group 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 19
- 229920001577 copolymer Polymers 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 14
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 9
- 239000012510 hollow fiber Substances 0.000 claims description 7
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 7
- 238000002386 leaching Methods 0.000 claims description 7
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 5
- 229920001480 hydrophilic copolymer Polymers 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims description 5
- 229910000342 sodium bisulfate Inorganic materials 0.000 claims description 5
- 229910052723 transition metal Inorganic materials 0.000 claims description 5
- 150000003624 transition metals Chemical class 0.000 claims description 5
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 4
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000004967 organic peroxy acids Chemical class 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000004971 Cross linker Substances 0.000 claims description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
- 239000003463 adsorbent Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 2
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 claims description 2
- 102000004169 proteins and genes Human genes 0.000 claims description 2
- 108090000623 proteins and genes Proteins 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 229920005597 polymer membrane Polymers 0.000 abstract description 9
- 239000012028 Fenton's reagent Substances 0.000 abstract description 7
- 239000000835 fiber Substances 0.000 description 9
- 150000002978 peroxides Chemical class 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 229920001600 hydrophobic polymer Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 229910001428 transition metal ion Inorganic materials 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229920003082 Povidone K 90 Polymers 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 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
- 238000011161 development Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- MGZTXXNFBIUONY-UHFFFAOYSA-N hydrogen peroxide;iron(2+);sulfuric acid Chemical compound [Fe+2].OO.OS(O)(=O)=O MGZTXXNFBIUONY-UHFFFAOYSA-N 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000002145 thermally induced phase separation Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- 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
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
-
- 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
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Soil Working Implements (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Catalysts (AREA)
Abstract
Description
i)架橋性成分を含むポリマー精密濾過膜又は限外濾過膜を準備(又は作製)することと、
ii)該ポリマー精密濾過膜又は限外濾過膜を架橋剤で処理し、該架橋性成分を架橋させること
を含む、親水性ポリマー精密濾過膜又は限外濾過膜の製造(生成又は形成)方法を提供する。
i)架橋性成分を含むポリマー精密濾過膜又は限外濾過膜を準備(又は作製)すること;
ii)該ポリマー精密濾過膜又は限外濾過膜をヒドロキシルラジカルで処理して、該架橋性成分を架橋すること;及び
iii)存在する場合、未結合架橋成分(又は結合していない架橋された成分)又は未結合架橋性成分(又は結合していない架橋可能成分)を浸出すること
を含む、ポリマー精密濾過膜又は限外濾過膜を官能化する方法を提供する。
i)架橋性成分を含むポリマー精密濾過膜又は限外濾過膜を準備(又は作製)すること;
ii)該ポリマー精密濾過膜又は限外濾過膜をヒドロキシルラジカルで処理して、該架橋性成分を架橋すること;及び
iii)存在する場合、未結合架橋成分又は未結合架橋性成分を浸出すること
を含む、ポリマー精密濾過膜又は限外濾過膜の透過性を高める方法を提供する。
Fe2++H2O2 → Fe3++OH−+HO・
Fe3++H2O2 → Fe2++・OOH+H+
全体として:
2H2O2 → H2O+HO・+・OOH
ヒドロキシルラジカルにより架橋した成分を含む膜の改良された性質を、下記の例で説明する。
0.12重量%FeSO4・7H2O
0.1重量%NaHSO4
0.9重量%H2O2
1.RO水で、膜を洗浄(1時間)
2.規定時間、膜を処理溶液に浸漬
3.RO水中で、膜をすすぐ(1時間)
4.20重量%グリセロール(水溶液)に、膜を浸漬
5.室温で膜を乾燥
Claims (44)
- i)架橋性成分を含むポリマー精密濾過膜又は限外濾過膜を準備する工程;及び、
ii)該ポリマー精密濾過膜又は限外濾過膜を架橋剤で処理して、該架橋性成分を架橋させる工程
を含む、親水性ポリマー精密濾過膜又は限外濾過膜の製造方法。 - 架橋性成分は親水性架橋性成分である請求項1に記載の方法。
- 親水性架橋性成分は、フリーラジカル架橋可能である請求項2に記載の方法。
- 親水性架橋性成分は、酸化条件下で架橋可能である請求項2に記載の方法。
- 親水性架橋性成分は、ヒドロキシルラジカルの存在下、架橋可能である請求項2に記載の方法。
- 架橋性成分を、ビニルピロリドン、酢酸ビニル、ビニルアルコール、ビニルメチルエーテル、ビニルエチルエーテル、アクリル酸、アクリル酸メチル、アクリル酸エチル、アクリル酸プロピル、アクリル酸ブチル、メタクリル酸メチル、メタクリル酸エチル、メタクリル酸プロピル、メタクリル酸ブチル及び無水マレイン酸のモノマー、オリゴマー、ポリマー及びそれらの1又はそれ以上のコポリマーから成る群から選択する請求項1〜5のいずれかに記載の方法。
- 架橋性成分は、ポリ(ビニルピロリドン)、ポリ(酢酸ビニル)、又はビニルピロリドンと酢酸ビニルのコポリマーから選択される請求項1〜6のいずれかに記載の方法。
- 多孔質ポリマー精密濾過膜又は限外濾過膜としてキャスティング前のポリマードープに、架橋性成分を加えた後、多孔質ポリマー精密濾過膜又は限外濾過膜を架橋剤で処理して、該架橋性成分を架橋する請求項1〜7のいずれかに記載の方法。
- 多孔質ポリマー精密濾過膜又は限外濾過膜を、膜形成中に、架橋性成分を含有するクエンチ、流体形成ルーメン又はコーティングで処理した後、架橋剤で処理して該架橋性成分を架橋する請求項1〜8のいずれかに記載の方法。
- 架橋性成分は、膜の親水性/疎水性バランスを最小限で弱めるだけの量で加えられる請求項1〜9のいずれかに記載の方法。
- ポリマー精密濾過膜又は限外濾過膜は、疎水性成分を含む請求項1〜10のいずれかに記載の方法。
- ポリマー精密濾過膜又は限外濾過膜は、非架橋性成分を含む請求項1〜11のいずれかに記載の方法。
- 疎水性及び/又は非架橋性成分は、酸化耐性材料のポリマー又はコポリマーである請求項11又は12に記載の方法。
- 疎水性及び/又は非架橋性成分は、塩基の攻撃に耐性のポリマー又はコポリマーである請求項11〜13のいずれかに記載の方法。
- 疎水性及び/又は非架橋性成分は、クロロトリフルオロエチレン、フッ化ビニル、塩化ビニル;フッ化ビニリデン/塩化ビニリデン;ヘキサフルオロプロピレン、エチレン−クロロトリフルオロエチレン、テトラフルオロエチレンの1又はそれ以上を含む請求項11〜14のいずれかに記載の方法。
- 疎水性及び/又は非架橋性成分は、PVdFである請求項15に記載の方法。
- 架橋は、ヒドロキシルラジカルでポリマー精密濾過膜又は限外濾過膜を処理することによる請求項1〜16のいずれかに記載の方法。
- ヒドロキシルラジカルは、塩化第二鉄/過酸化水素/硫酸水素ナトリウム水溶液によって生成する請求項17に記載の方法。
- ヒドロキシルラジカルは、水性酸性化過酸化水素によって生成する請求項17に記載の方法。
- ヒドロキシルラジカルは、水性有機ペルオキシ酸によって生成する請求項17に記載の方法。
- ヒドロキシルラジカルは、過酢酸によって生成する請求項17に記載の方法。
- ヒドロキシルラジカルは、紫外線照射下、水性過酸化水素によって生成する請求項17に記載の方法。
- ヒドロキシルラジカルは、pH2〜9の範囲で、UV照射を伴う又は伴わない、過酸化水素とオゾンの組合せによって生成する請求項17に記載の方法。
- pH2〜9で、過酸化水素を用いて、遷移金属触媒の水溶液から準備したヒドロキシルラジカルの溶液を使用して膜を処理することを含む請求項17に記載の方法。
- UV照射を更に含む請求項24に記載の方法。
- 遷移金属触媒は、鉄II/鉄IIIの混合物である請求項24に記載の方法。
- 架橋性化合物をポリマーマトリックスに架橋させるために浸漬、濾過又は再循環の一又はそれ以上を行う請求項24に記載の方法。
- 架橋後、存在する場合、未結合の過剰なコポリマーを、多孔質ポリマー精密濾過膜又は限外濾過膜から浸出する工程を更に含む請求項1〜27のいずれかに記載の方法。
- 存在する場合、未結合過剰コポリマーを、水又は他の好適ないずれかの溶媒で、所定の時間又は浸出物が所定のレベルになるまで浸出する請求項28に記載の方法。
- i)架橋性成分を含むポリマー精密濾過膜又は限外濾過膜を準備すること;
ii)該ポリマー精密濾過膜又は限外濾過膜をヒドロキシルラジカルで処理して、該架橋性成分を架橋すること;及び
iii)存在する場合、未結合架橋成分又は未結合架橋性成分を浸出すること
を含む、ポリマー精密濾過膜又は限外濾過膜を官能化する方法。 - 架橋性成分を含むポリマー精密濾過膜又は限外濾過膜は、架橋性成分を含んで成るポリマードープから作製される請求項30に記載の方法。
- 架橋性成分を含むポリマー精密濾過膜又は限外濾過膜は、キャストポリマー精密濾過膜又は限外濾過膜を架橋性成分で処理することで作製される請求項29に記載の方法。
- i)架橋性成分を含むポリマー精密濾過膜又は限外濾過膜を準備すること;
ii)該ポリマー精密濾過膜又は限外濾過膜をヒドロキシルラジカルで処理して、該架橋性成分を架橋すること;及び
iii)存在する場合、未結合架橋成分又は未結合架橋性成分を浸出すること
を含む、ポリマー精密濾過膜又は限外濾過膜の透過性を高める方法。 - 架橋性成分を含むポリマー精密濾過膜又は限外濾過膜は、架橋性成分を含んで成るポリマードープから作製する請求項33に記載の方法。
- 架橋性成分を含むポリマー精密濾過膜又は限外濾過膜は、キャストポリマー精密濾過膜又は限外濾過膜を架橋性成分で処理することで作製する請求項34に記載の方法。
- 架橋親水性ポリマー又はコポリマーを含む多孔質ポリマー精密濾過膜又は限外濾過膜。
- 架橋親水性ポリマー又はコポリマーは、多孔質精密濾過膜又は限外濾過膜のマトリックスに組み込まれ、非架橋及び/又は疎水性成分も含む請求項36に記載の多孔質ポリマー精密濾過膜又は限外濾過膜。
- 大孔径面と小孔径面を有し、膜の断面に沿って走る孔径勾配を有する非対称膜である請求項36又は37に記載の多孔質ポリマー精密濾過膜又は限外濾過膜。
- 平坦なシートの形態である請求項36〜38のいずれかに記載の多孔質ポリマー精密濾過膜又は限外濾過膜。
- 中空繊維膜の形態である請求項36〜38のいずれかに記載の多孔質ポリマー精密濾過膜又は限外濾過膜。
- 水及び廃水の精密濾過及び限外濾過に用いられる請求項36〜40のいずれかに記載の多孔質ポリマー精密濾過膜又は限外濾過膜。
- 親和性膜として用いられる請求項36〜40のいずれかに記載の多孔質ポリマー精密濾過膜又は限外濾過膜。
- タンパク質吸着材として用いられる請求項36〜40のいずれかに記載の多孔質ポリマー精密濾過膜又は限外濾過膜。
- 生体適合性官能化膜を必要とする方法で用いられる請求項36〜40のいずれかに記載の多孔質ポリマー精密濾過膜又は限外濾過膜。
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- 2005-12-02 WO PCT/AU2005/001820 patent/WO2006058384A1/en active Application Filing
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- 2005-12-02 NZ NZ555302A patent/NZ555302A/en not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
EP1827664A4 (en) | 2008-07-30 |
KR20070089981A (ko) | 2007-09-04 |
ATE511915T1 (de) | 2011-06-15 |
WO2006058384A1 (en) | 2006-06-08 |
CN101084057A (zh) | 2007-12-05 |
EP1827664A1 (en) | 2007-09-05 |
US7867417B2 (en) | 2011-01-11 |
CA2588675A1 (en) | 2006-06-08 |
NZ555302A (en) | 2010-11-26 |
EP1827664B1 (en) | 2011-06-08 |
ES2365928T3 (es) | 2011-10-13 |
US20090230053A1 (en) | 2009-09-17 |
CN101084057B (zh) | 2013-10-23 |
MY141919A (en) | 2010-07-30 |
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