JPH0565213B2 - - Google Patents
Info
- Publication number
- JPH0565213B2 JPH0565213B2 JP63265068A JP26506888A JPH0565213B2 JP H0565213 B2 JPH0565213 B2 JP H0565213B2 JP 63265068 A JP63265068 A JP 63265068A JP 26506888 A JP26506888 A JP 26506888A JP H0565213 B2 JPH0565213 B2 JP H0565213B2
- Authority
- JP
- Japan
- Prior art keywords
- composite semipermeable
- semipermeable membrane
- weight
- membrane
- acid halide
- 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.)
- Expired - Fee Related
Links
- 239000012528 membrane Substances 0.000 claims description 132
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 40
- 239000002131 composite material Substances 0.000 claims description 37
- 150000004820 halides Chemical class 0.000 claims description 34
- 239000002253 acid Substances 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 150000003839 salts Chemical class 0.000 claims description 23
- 239000000243 solution Substances 0.000 claims description 23
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 20
- 239000004952 Polyamide Substances 0.000 claims description 17
- 229920002647 polyamide Polymers 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 14
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 7
- 229920002492 poly(sulfone) Polymers 0.000 claims description 7
- 238000012696 Interfacial polycondensation Methods 0.000 claims description 6
- 230000001588 bifunctional effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 125000001624 naphthyl group Chemical group 0.000 claims description 3
- 125000003916 ethylene diamine group Chemical group 0.000 claims description 2
- 125000004193 piperazinyl group Chemical group 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical group C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 34
- 238000001223 reverse osmosis Methods 0.000 description 27
- 235000002639 sodium chloride Nutrition 0.000 description 27
- -1 polybenzimidazolone Polymers 0.000 description 21
- 238000012360 testing method Methods 0.000 description 19
- 238000010612 desalination reaction Methods 0.000 description 17
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 16
- 229910052801 chlorine Inorganic materials 0.000 description 16
- 239000000460 chlorine Substances 0.000 description 16
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- 239000010408 film Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000035699 permeability Effects 0.000 description 11
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 10
- 229920002301 cellulose acetate Polymers 0.000 description 10
- 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 8
- 239000000463 material Substances 0.000 description 8
- 238000001035 drying Methods 0.000 description 7
- 229910021642 ultra pure water Inorganic materials 0.000 description 7
- 239000012498 ultrapure water Substances 0.000 description 7
- 150000001408 amides Chemical class 0.000 description 6
- 239000001488 sodium phosphate Substances 0.000 description 6
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical class [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 6
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 6
- 235000019801 trisodium phosphate Nutrition 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- ZIWRUEGECALFST-UHFFFAOYSA-M sodium 4-(4-dodecoxysulfonylphenoxy)benzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCOS(=O)(=O)c1ccc(Oc2ccc(cc2)S([O-])(=O)=O)cc1 ZIWRUEGECALFST-UHFFFAOYSA-M 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical class 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 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000002843 carboxylic acid group Chemical group 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- UHCBBWUQDAVSMS-UHFFFAOYSA-N fluoroethane Chemical group CCF UHCBBWUQDAVSMS-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920005575 poly(amic acid) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- ZXUJWPHOPHHZLR-UHFFFAOYSA-N 1,1,1-trichloro-2-fluoroethane Chemical compound FCC(Cl)(Cl)Cl ZXUJWPHOPHHZLR-UHFFFAOYSA-N 0.000 description 1
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004693 Polybenzimidazole Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical class [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- CRBREIOFEDVXGE-UHFFFAOYSA-N dodecoxybenzene Chemical compound CCCCCCCCCCCCOC1=CC=CC=C1 CRBREIOFEDVXGE-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 229920002480 polybenzimidazole Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011591 potassium Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- GJAWHXHKYYXBSV-UHFFFAOYSA-N pyridinedicarboxylic acid Natural products OC(=O)C1=CC=CN=C1C(O)=O GJAWHXHKYYXBSV-UHFFFAOYSA-N 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Description
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城ãšããè«æ±é ïŒèšèŒã®è€ååéèã®è£œé æ¹æ³ã ïŒïŒ 埮å€åæ§æ¯æèãããªã¹ã«ãã³ãããªãè«
æ±é ïŒèšèŒã®è€ååéèã®è£œé æ¹æ³ã ïŒïŒ åŒïŒ»ïŒœã§ç€ºãããååç©ãã ã§ããè«æ±é ïŒèšèŒã®è€ååéèã®è£œé æ¹æ³ã
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63265068A JPH0278428A (ja) | 1988-06-07 | 1988-10-20 | è€ååéèããã³ãã®è£œé æ¹æ³ |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14008188 | 1988-06-07 | ||
| JP63-140081 | 1988-06-07 | ||
| JP63265068A JPH0278428A (ja) | 1988-06-07 | 1988-10-20 | è€ååéèããã³ãã®è£œé æ¹æ³ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0278428A JPH0278428A (ja) | 1990-03-19 |
| JPH0565213B2 true JPH0565213B2 (ja) | 1993-09-17 |
Family
ID=15260519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63265068A Granted JPH0278428A (ja) | 1988-06-07 | 1988-10-20 | è€ååéèããã³ãã®è£œé æ¹æ³ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0278428A (ja) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991011250A1 (fr) * | 1990-01-26 | 1991-08-08 | Toray Industries, Inc. | Membrane semi-permeable composite et son procede de production |
| EP2014350A3 (en) | 2001-03-19 | 2009-07-22 | Nitto Denko Corporation | Water-treating method |
| JP4656511B2 (ja) * | 2004-10-04 | 2011-03-23 | æ¥æ±é»å·¥æ ªåŒäŒç€Ÿ | è€åé浞éèã®è£œé æ¹æ³ |
| JP2008093544A (ja) | 2006-10-10 | 2008-04-24 | Nitto Denko Corp | è€ååéèåã³ãã®è£œé æ¹æ³ |
| JP4936438B2 (ja) | 2006-10-10 | 2012-05-23 | æ¥æ±é»å·¥æ ªåŒäŒç€Ÿ | 也ç¥è€ååéèã®è£œé æ¹æ³ |
| AU2010336627A1 (en) | 2009-12-22 | 2012-05-31 | Toray Industries, Inc. | Semipermeable membrane and manufacturing method therefor |
| CN102781560B (zh) | 2010-02-23 | 2015-05-20 | äžäžœæ ªåŒäŒç€Ÿ | å€ååéèåå ¶å¶é æ¹æ³ |
| US20130126419A1 (en) | 2010-08-11 | 2013-05-23 | Toray Industries, Inc. | Separation membrane element and method for producing composite semipermeable membrane |
| US20120152839A1 (en) * | 2010-12-20 | 2012-06-21 | David Allen Olson | Modified sulfonamide polymeric matrices |
| EP2659956A4 (en) | 2010-12-28 | 2017-04-12 | Toray Industries, Inc. | Composite semipermeable membrane |
| KR101985351B1 (ko) | 2011-04-01 | 2019-06-03 | ëë ìŽ ì¹Žë¶ìí€ê°ìŽì€ | ë³µí© ë°í¬ë§, ë³µí© ë°í¬ë§ ìëŠ¬ëšŒíž ë° ë³µí© ë°í¬ë§ì ì ì¡° ë°©ë² |
| CN104053495B (zh) | 2012-01-16 | 2016-06-15 | äžäžœæ ªåŒäŒç€Ÿ | å€ååéèåå ¶å¶é æ¹æ³ |
| WO2013129610A1 (ja) | 2012-02-29 | 2013-09-06 | æ±ã¬æ ªåŒäŒç€Ÿ | è€ååéè |
| KR102107541B1 (ko) | 2012-06-27 | 2020-05-07 | ëë ìŽ ì¹Žë¶ìí€ê°ìŽì€ | ë³µí© ë°í¬ë§ |
| CN104619403B (zh) | 2012-09-26 | 2018-01-30 | äžäžœæ ªåŒäŒç€Ÿ | å€ååéè |
| CN105026022B (zh) | 2013-02-28 | 2018-07-17 | äžäžœæ ªåŒäŒç€Ÿ | å€ååéèåå ¶å¶é æ¹æ³ |
| JP6645764B2 (ja) * | 2015-07-24 | 2020-02-14 | æ¥æ±é»å·¥æ ªåŒäŒç€Ÿ | è€ååé¢èåã³åé¢èãšã¬ã¡ã³ã |
| ES2881098T3 (es) | 2015-12-25 | 2021-11-26 | Toray Industries | Membrana semipermeable compuesta |
| WO2018143297A1 (ja) | 2017-01-31 | 2018-08-09 | æ±ã¬æ ªåŒäŒç€Ÿ | è€ååéèåã³è€ååéèã®è£œé æ¹æ³ |
| JPWO2018221684A1 (ja) | 2017-06-01 | 2020-03-26 | æ±ã¬æ ªåŒäŒç€Ÿ | ã¬ã¹åé¢èãã¬ã¹åé¢èãšã¬ã¡ã³ããã¬ã¹åé¢è£ 眮åã³ã¬ã¹åé¢æ¹æ³ |
| CN111491720B (zh) | 2017-12-26 | 2022-06-10 | äžäžœæ ªåŒäŒç€Ÿ | æ°äœå犻èãæ°äœå犻èå 件åæ°äœå犻æ¹æ³ |
| EP3760303B1 (en) | 2018-02-28 | 2024-02-21 | Toray Industries, Inc. | Composite semipermeable membrane and composite semipermeable membrane element |
| JP7151703B2 (ja) | 2018-02-28 | 2022-10-12 | æ±ã¬æ ªåŒäŒç€Ÿ | è€ååéèããã³è€ååéèãšã¬ã¡ã³ã |
| JP7673636B2 (ja) | 2019-10-31 | 2025-05-09 | æ±ã¬æ ªåŒäŒç€Ÿ | è€ååéè |
| JP7173408B1 (ja) | 2021-04-22 | 2022-11-16 | æ±ã¬æ ªåŒäŒç€Ÿ | è€ååéè |
-
1988
- 1988-10-20 JP JP63265068A patent/JPH0278428A/ja active Granted
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|---|---|
| JPH0278428A (ja) | 1990-03-19 |
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