WO2008118580A1 - Process for forming microporous membranes - Google Patents
Process for forming microporous membranes Download PDFInfo
- Publication number
- WO2008118580A1 WO2008118580A1 PCT/US2008/054638 US2008054638W WO2008118580A1 WO 2008118580 A1 WO2008118580 A1 WO 2008118580A1 US 2008054638 W US2008054638 W US 2008054638W WO 2008118580 A1 WO2008118580 A1 WO 2008118580A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- formulation
- coagulant
- dope
- microstructure
- membrane
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000012528 membrane Substances 0.000 title claims description 80
- 230000008569 process Effects 0.000 title description 10
- 239000000203 mixture Substances 0.000 claims abstract description 297
- 238000009472 formulation Methods 0.000 claims abstract description 289
- 239000000701 coagulant Substances 0.000 claims abstract description 190
- 239000012982 microporous membrane Substances 0.000 claims abstract description 31
- 239000002904 solvent Substances 0.000 claims description 58
- 239000000463 material Substances 0.000 claims description 56
- 238000000576 coating method Methods 0.000 claims description 45
- 239000011248 coating agent Substances 0.000 claims description 43
- 238000001125 extrusion Methods 0.000 claims description 42
- 239000002671 adjuvant Substances 0.000 claims description 34
- 239000011148 porous material Substances 0.000 claims description 31
- 238000005266 casting Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005345 coagulation Methods 0.000 claims description 13
- 230000015271 coagulation Effects 0.000 claims description 13
- -1 aliphatic glycols Chemical class 0.000 claims description 12
- 229920006393 polyether sulfone Polymers 0.000 claims description 8
- 229920001601 polyetherimide Polymers 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims 1
- 239000012071 phase Substances 0.000 description 68
- 229920000642 polymer Polymers 0.000 description 36
- 238000005191 phase separation Methods 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 10
- 239000000654 additive Substances 0.000 description 7
- 239000003361 porogen Substances 0.000 description 7
- 238000001878 scanning electron micrograph Methods 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 239000004695 Polyether sulfone Substances 0.000 description 6
- 239000004697 Polyetherimide Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012456 homogeneous solution Substances 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000004626 scanning electron microscopy Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 125000005395 methacrylic acid group Chemical group 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- UGDAWAQEKLURQI-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethanol;hydrate Chemical compound O.OCCOCCO UGDAWAQEKLURQI-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- CRWNQZTZTZWPOF-UHFFFAOYSA-N 2-methyl-4-phenylpyridine Chemical compound C1=NC(C)=CC(C=2C=CC=CC=2)=C1 CRWNQZTZTZWPOF-UHFFFAOYSA-N 0.000 description 1
- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical compound CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 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
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 229940093499 ethyl acetate Drugs 0.000 description 1
- 235000019439 ethyl acetate Nutrition 0.000 description 1
- GEKVIARXKLTJAF-UHFFFAOYSA-N ethyl acetate;pentyl acetate Chemical compound CCOC(C)=O.CCCCCOC(C)=O GEKVIARXKLTJAF-UHFFFAOYSA-N 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- QYSGYZVSCZSLHT-UHFFFAOYSA-N octafluoropropane Chemical compound FC(F)(F)C(F)(F)C(F)(F)F QYSGYZVSCZSLHT-UHFFFAOYSA-N 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229960004065 perflutren Drugs 0.000 description 1
- 238000000614 phase inversion technique Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 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
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
- B01D67/00165—Composition of the coagulation baths
-
- 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
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/219—Specific solvent system
- B01D2323/22—Specific non-solvents or non-solvent system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/42—Details of membrane preparation apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/24998—Composite has more than two layers
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08730443.2A EP2134455B1 (en) | 2007-03-28 | 2008-02-22 | Process for forming microporous membranes |
KR1020097020823A KR101461693B1 (en) | 2007-03-28 | 2008-02-22 | Process for forming microporous membranes |
JP2010501034A JP5432118B2 (en) | 2007-03-28 | 2008-02-22 | Method for forming microporous membrane |
BRPI0809206-0A BRPI0809206A2 (en) | 2007-03-28 | 2008-02-22 | Microporous membrane formation process |
CN200880010112.8A CN101646483B (en) | 2007-03-28 | 2008-02-22 | The method forming microporous membrane |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/692,257 | 2007-03-28 | ||
US11/692,257 US7842214B2 (en) | 2007-03-28 | 2007-03-28 | Process for forming microporous membranes |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008118580A1 true WO2008118580A1 (en) | 2008-10-02 |
Family
ID=39788886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/054638 WO2008118580A1 (en) | 2007-03-28 | 2008-02-22 | Process for forming microporous membranes |
Country Status (8)
Country | Link |
---|---|
US (1) | US7842214B2 (en) |
EP (1) | EP2134455B1 (en) |
JP (1) | JP5432118B2 (en) |
KR (1) | KR101461693B1 (en) |
CN (1) | CN101646483B (en) |
BR (1) | BRPI0809206A2 (en) |
SG (1) | SG171587A1 (en) |
WO (1) | WO2008118580A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9174174B2 (en) * | 2008-09-19 | 2015-11-03 | Toray Industries, Inc. | Separation membrane and method for producing the same |
CN102281938B (en) * | 2008-11-21 | 2016-08-03 | 3M创新有限公司 | Microporous membrane and forming method |
KR101714814B1 (en) | 2009-09-22 | 2017-03-09 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Method of applying atomic layer deposition coatings onto porous non-ceramic substrates |
US20120175300A1 (en) * | 2011-01-11 | 2012-07-12 | Herron John R | Two-layer membrane |
EP2551024B1 (en) * | 2011-07-29 | 2017-03-22 | 3M Innovative Properties Co. | Multilayer film having at least one thin layer and continuous process for forming such a film |
US8840791B2 (en) * | 2011-09-01 | 2014-09-23 | Pall Corporation | Multilayer microfiltration membrane |
JP6231483B2 (en) | 2011-10-31 | 2017-11-15 | スリーエム イノベイティブ プロパティズ カンパニー | Method for applying a coating to a roll-shaped substrate |
US9005496B2 (en) | 2012-02-01 | 2015-04-14 | Pall Corporation | Asymmetric membranes |
US9248414B2 (en) | 2012-03-30 | 2016-02-02 | Pall Corporation | Large pore polymeric membrane |
US11326255B2 (en) * | 2013-02-07 | 2022-05-10 | Uchicago Argonne, Llc | ALD reactor for coating porous substrates |
JP6156837B2 (en) * | 2013-03-29 | 2017-07-05 | 富士フイルム株式会社 | Method for producing complex for acid gas separation |
JP6156838B2 (en) * | 2013-03-29 | 2017-07-05 | 富士フイルム株式会社 | Method for producing complex for acid gas separation |
US9808770B2 (en) | 2013-05-14 | 2017-11-07 | Pall Corporation | High throughput membrane with channels |
WO2015008168A2 (en) * | 2013-07-05 | 2015-01-22 | King Abdullah University Of Science And Technology | Chelating polymeric membranes |
CN104389401B (en) * | 2014-10-15 | 2018-06-12 | 3M创新有限公司 | Non-skid film |
EP3421117A1 (en) * | 2017-06-28 | 2019-01-02 | 3M Innovative Properties Company | Polyamide flat sheet membranes with microporous surface structure for nanoparticle retention |
DE102017009784A1 (en) | 2017-10-19 | 2019-04-25 | Sartorius Stedim Biotech Gmbh | A process for producing a porous single-ply polymer membrane, porous single-ply polymer membrane and use thereof for filtration |
EP4061513A1 (en) | 2019-11-21 | 2022-09-28 | EMD Millipore Corporation | Microfiltration membrane |
US20230017950A1 (en) | 2019-11-21 | 2023-01-19 | Emd Millipore Corporation | Hydrophilic membranes |
US11111578B1 (en) | 2020-02-13 | 2021-09-07 | Uchicago Argonne, Llc | Atomic layer deposition of fluoride thin films |
US11901169B2 (en) | 2022-02-14 | 2024-02-13 | Uchicago Argonne, Llc | Barrier coatings |
Citations (14)
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EP0121911A2 (en) * | 1983-04-09 | 1984-10-17 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Hollow fiber filter medium and process for preparing the same |
US4992221A (en) | 1989-09-27 | 1991-02-12 | Permea, Inc. | Asymmetric gas separation membranes having improved strength |
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 |
US5869174A (en) | 1997-07-08 | 1999-02-09 | Usf Filtration And Separations Group Inc. | Highly asymmetric polyethersulfone filtration membranes |
KR19990058927A (en) * | 1997-12-30 | 1999-07-26 | 구광시 | Polysulfone hollow fiber membrane and its manufacturing method |
KR20010061733A (en) * | 1999-12-29 | 2001-07-07 | 구광시 | A polysulfone typed hollow fiber membrane, and a process of preparing for the same |
US6596167B2 (en) | 2001-03-26 | 2003-07-22 | Koch Membrane Systems, Inc. | Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes |
US6632850B2 (en) | 2001-04-04 | 2003-10-14 | 3M Innovative Properties Company | Microporous materials and methods of making the same |
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Also Published As
Publication number | Publication date |
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JP2010522807A (en) | 2010-07-08 |
KR20090128451A (en) | 2009-12-15 |
BRPI0809206A2 (en) | 2015-06-16 |
KR101461693B1 (en) | 2014-11-13 |
SG171587A1 (en) | 2011-06-29 |
EP2134455B1 (en) | 2016-07-27 |
US20080241503A1 (en) | 2008-10-02 |
US7842214B2 (en) | 2010-11-30 |
EP2134455A1 (en) | 2009-12-23 |
EP2134455A4 (en) | 2011-06-22 |
CN101646483A (en) | 2010-02-10 |
JP5432118B2 (en) | 2014-03-05 |
CN101646483B (en) | 2016-10-26 |
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