IL95023A - Asymmetric, porous polyamide membranes - Google Patents
Asymmetric, porous polyamide membranesInfo
- Publication number
- IL95023A IL95023A IL9502390A IL9502390A IL95023A IL 95023 A IL95023 A IL 95023A IL 9502390 A IL9502390 A IL 9502390A IL 9502390 A IL9502390 A IL 9502390A IL 95023 A IL95023 A IL 95023A
- Authority
- IL
- Israel
- Prior art keywords
- membrane
- polyamide
- porous
- asymmetric
- casting solution
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 271
- 239000004952 Polyamide Substances 0.000 title claims abstract description 77
- 229920002647 polyamide Polymers 0.000 title claims abstract description 77
- 239000011148 porous material Substances 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 20
- 230000009477 glass transition Effects 0.000 claims abstract description 12
- 239000004953 Aliphatic polyamide Substances 0.000 claims abstract description 10
- 229920003231 aliphatic polyamide Polymers 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims description 118
- 239000000243 solution Substances 0.000 claims description 115
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 66
- 239000002904 solvent Substances 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 35
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 33
- 239000000758 substrate Substances 0.000 claims description 28
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 23
- 150000003839 salts Chemical class 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 17
- 239000012510 hollow fiber Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 11
- 229920002292 Nylon 6 Polymers 0.000 claims description 11
- 229940052299 calcium chloride dihydrate Drugs 0.000 claims description 11
- 230000004907 flux Effects 0.000 claims description 11
- 229920001778 nylon Polymers 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 10
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000012266 salt solution Substances 0.000 claims description 8
- 230000001376 precipitating effect Effects 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- ZHJGWYRLJUCMRT-UHFFFAOYSA-N 5-[6-[(4-methylpiperazin-1-yl)methyl]benzimidazol-1-yl]-3-[1-[2-(trifluoromethyl)phenyl]ethoxy]thiophene-2-carboxamide Chemical compound C=1C=CC=C(C(F)(F)F)C=1C(C)OC(=C(S1)C(N)=O)C=C1N(C1=C2)C=NC1=CC=C2CN1CCN(C)CC1 ZHJGWYRLJUCMRT-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- AVVIDTZRJBSXML-UHFFFAOYSA-L calcium;2-carboxyphenolate;dihydrate Chemical compound O.O.[Ca+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O AVVIDTZRJBSXML-UHFFFAOYSA-L 0.000 claims description 2
- WUSJALRVWRGZMI-UHFFFAOYSA-L calcium;diiodide;tetrahydrate Chemical compound O.O.O.O.[Ca+2].[I-].[I-] WUSJALRVWRGZMI-UHFFFAOYSA-L 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 125000005842 heteroatom Chemical group 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000002759 woven fabric Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims 1
- 238000000108 ultra-filtration Methods 0.000 abstract description 12
- 238000001471 micro-filtration Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 70
- 239000003570 air Substances 0.000 description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- 229920013683 Celanese Polymers 0.000 description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 12
- -1 polyhexamethylene terephthalamide Polymers 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- LLSDKQJKOVVTOJ-UHFFFAOYSA-L calcium chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Ca+2] LLSDKQJKOVVTOJ-UHFFFAOYSA-L 0.000 description 10
- 238000011144 upstream manufacturing Methods 0.000 description 9
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 239000003495 polar organic solvent Substances 0.000 description 8
- 238000004626 scanning electron microscopy Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 239000001110 calcium chloride Substances 0.000 description 7
- 229910001628 calcium chloride Inorganic materials 0.000 description 7
- 235000011148 calcium chloride Nutrition 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 229960002713 calcium chloride Drugs 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229920006100 Vydyne® Polymers 0.000 description 4
- 238000002835 absorbance Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 239000004816 latex Substances 0.000 description 4
- 229920000126 latex Polymers 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 229920002307 Dextran Polymers 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 229920001213 Polysorbate 20 Polymers 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000004957 Zytel Substances 0.000 description 2
- 229920006102 Zytel® Polymers 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 2
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000006957 Michael reaction Methods 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 229920000393 Nylon 6/6T Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- YSVZGWAJIHWNQK-UHFFFAOYSA-N [3-(hydroxymethyl)-2-bicyclo[2.2.1]heptanyl]methanol Chemical compound C1CC2C(CO)C(CO)C1C2 YSVZGWAJIHWNQK-UHFFFAOYSA-N 0.000 description 1
- JLFVIEQMRKMAIT-UHFFFAOYSA-N ac1l9mnz Chemical compound O.O.O JLFVIEQMRKMAIT-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229960005069 calcium Drugs 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- OLLNKLCERHLUNU-UHFFFAOYSA-N methanol dihydrate Chemical compound O.O.OC.OC.OC.OC.OC.OC.OC.OC OLLNKLCERHLUNU-UHFFFAOYSA-N 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920006111 poly(hexamethylene terephthalamide) Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 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
- B01D71/56—Polyamides, e.g. polyester-amides
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/394,229 US5006247A (en) | 1989-08-15 | 1989-08-15 | Asymmetric porous polyamide membranes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL95023A0 IL95023A0 (en) | 1991-06-10 |
| IL95023A true IL95023A (en) | 1995-01-24 |
Family
ID=23558082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9502390A IL95023A (en) | 1989-08-15 | 1990-07-10 | Asymmetric, porous polyamide membranes |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5006247A (de) |
| EP (1) | EP0413552B1 (de) |
| JP (1) | JPH0389927A (de) |
| AU (1) | AU621503B2 (de) |
| CA (1) | CA2021579A1 (de) |
| DE (1) | DE69012925T2 (de) |
| IL (1) | IL95023A (de) |
| ZA (1) | ZA906425B (de) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277811A (en) * | 1992-04-14 | 1994-01-11 | Millipore Corporation | Process for forming porous polymeric product from a nonporous polymeric composition and product |
| FR2700883B1 (fr) * | 1993-01-26 | 1995-02-24 | Thomson Csf | Procédé d'obtention de polymère à permittivité réduite. |
| US5403746A (en) * | 1993-11-30 | 1995-04-04 | Minnesota Mining And Manufacturing Company | Sensor with improved drift stability |
| US5458782A (en) * | 1994-01-07 | 1995-10-17 | Cuno Incorporated | Hydrolytically stable nylon membrane |
| US5476665A (en) * | 1994-04-13 | 1995-12-19 | Minnesota Mining And Manufacturing Company | Azlactone functional particles incorporated in a membrane formed by solvent phase inversion |
| US5510421A (en) * | 1994-05-26 | 1996-04-23 | Minnesota Mining And Manufacturing Company | Azlactone-functional membranes and methods of preparing and using same |
| US6492001B1 (en) * | 1996-08-07 | 2002-12-10 | Hi-Tex, Inc. | Treated textile fabric |
| US6251210B1 (en) | 1996-08-07 | 2001-06-26 | Hi-Tex, Inc. | Treated textile fabric |
| EP0826413A1 (de) * | 1996-08-26 | 1998-03-04 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Berlin | Verfahren zur Herstellung von Filterelementen und danach hergestellte Filterelemente |
| EP0826412A3 (de) * | 1996-08-26 | 1999-06-02 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Berlin | Verfahren zur Herstellung von Filterelementen und die damit hergestellen Filterelemente |
| US6280791B1 (en) | 1997-04-11 | 2001-08-28 | Cuno, Inc. | Process of making a three-region reinforced microporous filtration membrane |
| US6264044B1 (en) | 1997-04-11 | 2001-07-24 | Cuno, Inc. | Reinforced, three zone microporous membrane |
| US6090441A (en) * | 1998-03-18 | 2000-07-18 | Cuno, Inc. | Process of making reinforced, three zone microporous membrane |
| US6413070B1 (en) | 1997-04-11 | 2002-07-02 | Cuno Incorporated | System for manufacturing reinforced three-zone microporous membrane |
| US6451260B1 (en) | 1997-08-26 | 2002-09-17 | Dyax Corp. | Method for producing microporous elements, the microporous elements thus produced and uses thereof |
| US20040118766A1 (en) * | 2000-02-03 | 2004-06-24 | Pulek John L. | Graded particle-size retention filter medium for cell-type filter unit |
| US6183853B1 (en) | 1999-04-30 | 2001-02-06 | 3M Innovative Properties Company | Porous materials containing melamine resin |
| US20020179521A1 (en) * | 2000-06-05 | 2002-12-05 | Paul C. Thomas | Expansion resistant filter cartridge |
| US6596112B1 (en) * | 2000-10-20 | 2003-07-22 | Pall Corporation | Laminates of asymmetric membranes |
| JP4287373B2 (ja) * | 2002-07-12 | 2009-07-01 | 株式会社クラレ | 多孔質膜 |
| US7531219B2 (en) * | 2005-07-21 | 2009-05-12 | Hi-Tex, Inc. | Treated textile fabric |
| JP2007126341A (ja) * | 2005-11-07 | 2007-05-24 | Toshiba Corp | 異方性多孔質材料 |
| JP2008272753A (ja) * | 2007-04-27 | 2008-11-13 | Pall Corp | フィルタカートリッジ |
| DE102007029444A1 (de) | 2007-06-22 | 2008-12-24 | Goedel, Werner A., Dr. | Poröse Membran mit asymmetrischer Struktur und das Verfahren zu ihrer Herstellung |
| DE102007029445A1 (de) | 2007-06-22 | 2008-12-24 | Werner A. Goedel | Verfahren zur Darstellung hierarchisch strukturierter Filme mittels Inkjet-Druck |
| CN101821089B (zh) * | 2007-09-10 | 2014-12-10 | 新加坡国立大学 | 加入纳米管的高分子膜 |
| WO2009148869A1 (en) | 2008-05-30 | 2009-12-10 | 3M Innovative Properties Company | Method of making ligand functionalized substrates |
| WO2009146321A1 (en) | 2008-05-30 | 2009-12-03 | 3M Innovative Properties Company | Ligand functionalized substrates |
| EP2376689B1 (de) * | 2008-12-23 | 2023-09-13 | 3M Innovative Properties Co. | Funktionalisiertes vliesstoff-erzeugnis |
| US20100210160A1 (en) * | 2009-02-18 | 2010-08-19 | 3M Innovative Properties Company | Hydrophilic porous substrates |
| US20100209693A1 (en) * | 2009-02-18 | 2010-08-19 | 3M Innovative Properties Company | Hydrophilic porous substrates |
| JP2012531531A (ja) | 2009-06-23 | 2012-12-10 | スリーエム イノベイティブ プロパティズ カンパニー | 官能化不織布物品 |
| US8377672B2 (en) | 2010-02-18 | 2013-02-19 | 3M Innovative Properties Company | Ligand functionalized polymers |
| WO2011109151A1 (en) | 2010-03-03 | 2011-09-09 | 3M Innovative Properties Company | Ligand guanidinyl functionalized polymers |
| CN102958584B (zh) | 2010-06-30 | 2015-10-21 | 3M创新有限公司 | 具有吸水过滤器组件的滤板制品 |
| US8591741B2 (en) * | 2010-09-30 | 2013-11-26 | General Electric Company | Thin film composite membranes incorporating carbon nanotubes |
| WO2012092242A2 (en) | 2010-12-29 | 2012-07-05 | 3M Innovative Properties Company | Microbial detection article having a water-absorbent filter assembly |
| US9005496B2 (en) | 2012-02-01 | 2015-04-14 | Pall Corporation | Asymmetric membranes |
| KR102043249B1 (ko) | 2012-04-24 | 2019-11-11 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 공중합체로 그래프팅된 부직 물품 |
| US9408424B2 (en) | 2013-01-10 | 2016-08-09 | 3M Innovative Properties Company | Filtering face-piece respirator having a face seal comprising a water-vapor-breathable layer |
| WO2014144823A2 (en) * | 2013-03-15 | 2014-09-18 | Massachusetts Institute Of Technology | Devices and methods using porous membranes for oil-water emulsion separation |
| JP6305729B2 (ja) * | 2013-11-05 | 2018-04-04 | 日東電工株式会社 | 複合半透膜 |
| WO2017147431A1 (en) * | 2016-02-24 | 2017-08-31 | Georgia Tech Research Corporation | Surgical suture materials with porous sheaths for drug delivery |
| EP3421117A1 (de) | 2017-06-28 | 2019-01-02 | 3M Innovative Properties Company | Flachmembranen aus polyamid mit mikroporöser oberflächenstruktur zur retention von nanopartikeln |
| US11819806B1 (en) | 2018-10-15 | 2023-11-21 | Ampcera Inc. | Methods for manufacturing a solid state ionic conductive membrane on a macro porous support scaffold |
| US12154702B1 (en) | 2018-10-15 | 2024-11-26 | Ampcera Inc. | Methods for manufacturing a freestanding solid state ionic conductive membrane |
| US11177498B1 (en) | 2018-10-15 | 2021-11-16 | Ampcera Inc. | Redox flow batteries, components for redox flow batteries and methods for manufacture thereof |
| CN109966928B (zh) * | 2019-03-18 | 2024-02-23 | 浙江泰林生命科学有限公司 | 一种高通量高强度聚酰胺平板微滤膜的制备方法 |
| US11600853B1 (en) | 2019-05-14 | 2023-03-07 | Ampcera Inc. | Systems and methods for storing, transporting, and handling of solid-state electrolytes |
| EP4065255B1 (de) * | 2019-11-25 | 2025-04-23 | 3M Innovative Properties Company | Hohlfasermembranen mit polydiorganosiloxanpolyoxamid-copolymer-hautschicht und verfahren zu deren herstellung und verwendung |
| CN111097296B (zh) * | 2020-01-20 | 2025-02-18 | 杭州奇丰科技有限公司 | 一种变孔径中空纤维膜的制备方法及该方法采用的凝固浴槽 |
| CN111603948B (zh) * | 2020-05-21 | 2023-06-30 | 杭州科百特科技有限公司 | 一种尼龙膜及其制备方法和应用 |
| CN111603949B (zh) * | 2020-05-21 | 2023-06-30 | 杭州科百特科技有限公司 | 一种尼龙膜及其制备方法和应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3615024A (en) * | 1968-08-26 | 1971-10-26 | Amicon Corp | High flow membrane |
| GB1391973A (en) * | 1971-09-07 | 1975-04-23 | Aqua Chem Inc | Polyvinyl acetal membrane |
| US3876738A (en) * | 1973-07-18 | 1975-04-08 | Amf Inc | Process for producing microporous films and products |
| US4340481A (en) * | 1975-02-15 | 1982-07-20 | Asahi Kasei Kogyo Kabushiki | Membrane filtration type hollow fibers |
| AU505494B1 (en) * | 1977-10-21 | 1979-11-22 | Unisearch Limited | Anisotropic multilayered synthetic semipermeable membrane |
| US4340480A (en) * | 1978-05-15 | 1982-07-20 | Pall Corporation | Process for preparing liquophilic polyamide membrane filter media and product |
| NZ190436A (en) * | 1978-05-15 | 1981-12-15 | Pall Corp | Preparation of skinless hydrophilic alcohol insoluble polyamide membranes membranes casting resin solutions |
| US4629563B1 (en) * | 1980-03-14 | 1997-06-03 | Memtec North America | Asymmetric membranes |
| DE3172193D1 (en) * | 1980-04-08 | 1985-10-17 | Brunswick Corp | Asymmetric ultrafiltration membrane and production thereof |
| DE3028213C2 (de) * | 1980-07-25 | 1990-12-06 | Akzo Gmbh, 5600 Wuppertal | Verfahren zur Herstellung einer Ultrafiltrationsmembran aus Polyamid und daraus hergestellte Membran |
| JPS5894863A (ja) * | 1981-11-30 | 1983-06-06 | 旭メデイカル株式会社 | 合成高分子重合体よりなる多孔膜 |
| EP0082393B1 (de) * | 1981-12-18 | 1990-06-13 | Cuno Incorporated | Verstärkte mikroporöse Membran |
| SE8204103L (sv) * | 1982-07-02 | 1984-01-03 | Gambro Lundia Ab | Filtrationsmembran samt sett att framstella membranet |
| DE3342823A1 (de) * | 1983-11-26 | 1985-06-05 | Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach | Verfahren zum herstellen von filterelementen auf der basis von aromatischem polyamid |
| US4666991A (en) * | 1984-11-05 | 1987-05-19 | Sagami Chemical Research Center | Fluorine-containing graft copolymer and adhesive and composite membrane made thereof |
| EP0247596B1 (de) * | 1986-05-30 | 1992-08-12 | Mitsubishi Rayon Co., Ltd. | Poröse Membran |
| DE3716916A1 (de) * | 1987-05-20 | 1988-12-01 | Geesthacht Gkss Forschung | Verfahren zur herstellung einer integralasymmetrischen membran |
| JPH078549B2 (ja) * | 1987-05-29 | 1995-02-01 | 東レ株式会社 | ポリフッ化ビニリデン系樹脂多孔性膜およびその製造方法 |
-
1989
- 1989-08-15 US US07/394,229 patent/US5006247A/en not_active Expired - Lifetime
-
1990
- 1990-07-10 IL IL9502390A patent/IL95023A/en not_active IP Right Cessation
- 1990-07-19 CA CA002021579A patent/CA2021579A1/en not_active Abandoned
- 1990-07-20 AU AU59190/90A patent/AU621503B2/en not_active Ceased
- 1990-08-14 DE DE69012925T patent/DE69012925T2/de not_active Expired - Fee Related
- 1990-08-14 JP JP2215691A patent/JPH0389927A/ja active Pending
- 1990-08-14 EP EP90308914A patent/EP0413552B1/de not_active Expired - Lifetime
- 1990-08-14 ZA ZA906425A patent/ZA906425B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0413552A1 (de) | 1991-02-20 |
| AU621503B2 (en) | 1992-03-12 |
| DE69012925T2 (de) | 1995-04-27 |
| JPH0389927A (ja) | 1991-04-15 |
| DE69012925D1 (de) | 1994-11-03 |
| CA2021579A1 (en) | 1991-02-16 |
| IL95023A0 (en) | 1991-06-10 |
| US5006247A (en) | 1991-04-09 |
| ZA906425B (en) | 1991-06-26 |
| AU5919090A (en) | 1991-02-21 |
| EP0413552B1 (de) | 1994-09-28 |
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