DE69322817T2 - Poröse polymerische Strukturen und Verfahren zur Herstellung solcher Strukturen mittels Hitze-induzierter Phasentrennung - Google Patents
Poröse polymerische Strukturen und Verfahren zur Herstellung solcher Strukturen mittels Hitze-induzierter PhasentrennungInfo
- Publication number
- DE69322817T2 DE69322817T2 DE69322817T DE69322817T DE69322817T2 DE 69322817 T2 DE69322817 T2 DE 69322817T2 DE 69322817 T DE69322817 T DE 69322817T DE 69322817 T DE69322817 T DE 69322817T DE 69322817 T2 DE69322817 T2 DE 69322817T2
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- solution
- porous polymeric
- solvent
- components
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 55
- 238000005191 phase separation Methods 0.000 title claims description 26
- 229920000642 polymer Polymers 0.000 claims description 74
- 239000002904 solvent Substances 0.000 claims description 45
- 239000012528 membrane Substances 0.000 claims description 31
- 239000011148 porous material Substances 0.000 claims description 22
- 239000004695 Polyether sulfone Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 229920006393 polyether sulfone Polymers 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000012456 homogeneous solution Substances 0.000 claims description 7
- 229920002492 poly(sulfone) Polymers 0.000 claims description 5
- 239000004697 Polyetherimide Substances 0.000 claims description 4
- 229920001601 polyetherimide Polymers 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 229920000233 poly(alkylene oxides) Polymers 0.000 claims description 3
- 239000000020 Nitrocellulose Substances 0.000 claims description 2
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 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 claims description 2
- 229920002301 cellulose acetate Polymers 0.000 claims description 2
- 239000012510 hollow fiber Substances 0.000 claims description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 2
- 229920001220 nitrocellulos Polymers 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 6
- 239000004417 polycarbonate Substances 0.000 claims 1
- 229920000515 polycarbonate Polymers 0.000 claims 1
- 239000000243 solution Substances 0.000 description 61
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 16
- 230000035699 permeability Effects 0.000 description 14
- 238000005266 casting Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000003570 air Substances 0.000 description 10
- 238000007654 immersion Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical group COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 229920001477 hydrophilic polymer Polymers 0.000 description 5
- 238000001471 micro-filtration Methods 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 229920004695 VICTREX™ PEEK Polymers 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000011557 critical solution Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 229920001600 hydrophobic polymer Polymers 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 3
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920004747 ULTEM® 1000 Polymers 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 150000005218 dimethyl ethers Chemical class 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- -1 etc. Chemical class 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- MBHINSULENHCMF-UHFFFAOYSA-N n,n-dimethylpropanamide Chemical compound CCC(=O)N(C)C MBHINSULENHCMF-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
-
- 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
- B01D67/0018—Thermally induced processes [TIPS]
-
- 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
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
- C08J2201/0502—Elimination by evaporation or heat degradation of a liquid phase the liquid phase being organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/052—Inducing phase separation by thermal treatment, e.g. cooling a solution
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (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 |
|---|---|---|---|
| US07/909,904 US5444097A (en) | 1992-07-07 | 1992-07-07 | Porous polymeric structures and a method of making such structures by means of heat-induced phase separation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69322817D1 DE69322817D1 (de) | 1999-02-11 |
| DE69322817T2 true DE69322817T2 (de) | 1999-06-10 |
Family
ID=25428014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69322817T Expired - Lifetime DE69322817T2 (de) | 1992-07-07 | 1993-07-06 | Poröse polymerische Strukturen und Verfahren zur Herstellung solcher Strukturen mittels Hitze-induzierter Phasentrennung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5444097A (enExample) |
| EP (1) | EP0578210B1 (enExample) |
| JP (1) | JPH06166116A (enExample) |
| KR (1) | KR940005729A (enExample) |
| DE (1) | DE69322817T2 (enExample) |
Families Citing this family (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571415A (en) * | 1994-11-02 | 1996-11-05 | Rohm And Haas Company | Method for preparing porous polymer structures |
| MY112945A (en) * | 1994-12-20 | 2001-10-31 | Ibm | Electronic devices comprising dielectric foamed polymers |
| US5804607A (en) * | 1996-03-21 | 1998-09-08 | International Business Machines Corporation | Process for making a foamed elastomeric polymer |
| US5726211A (en) * | 1996-03-21 | 1998-03-10 | International Business Machines Corporation | Process for making a foamed elastometric polymer |
| US6045899A (en) * | 1996-12-12 | 2000-04-04 | Usf Filtration & Separations Group, Inc. | Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters |
| US6264044B1 (en) | 1997-04-11 | 2001-07-24 | Cuno, Inc. | Reinforced, three zone microporous membrane |
| US6056529A (en) * | 1998-02-11 | 2000-05-02 | Cuno, Inc. | Systems for producing a plurality of different microporous phase inversion membrane each having any one of a plurality of different pore sizes from a single master dope batch |
| US6413070B1 (en) * | 1997-04-11 | 2002-07-02 | Cuno Incorporated | System for manufacturing reinforced three-zone microporous membrane |
| US6280791B1 (en) | 1997-04-11 | 2001-08-28 | Cuno, Inc. | Process of making a three-region reinforced microporous filtration membrane |
| US5886059A (en) * | 1997-07-08 | 1999-03-23 | Memtec America Corporation | Highly asymmetric polyethersulfone filtration membranes |
| US7108791B2 (en) * | 1999-09-14 | 2006-09-19 | Millipore Corporation | High-resolution virus removal methodology and filtration capsule useful therefor |
| EP1265950B1 (en) * | 1999-12-23 | 2005-07-27 | AEA Technology Battery Systems Limited | Microporous membrane |
| US7942274B2 (en) * | 2000-05-24 | 2011-05-17 | Millipore Corporation | High-throughput asymmetric membrane |
| EP1410838B1 (en) * | 2000-05-24 | 2007-03-28 | Millipore Corporation | Method of manufacturing membranes and the resulting membranes |
| US6994811B2 (en) * | 2001-05-22 | 2006-02-07 | Millipore Corporation | Method of manufacturing membranes and the resulting membranes |
| WO2001089673A2 (en) * | 2000-05-24 | 2001-11-29 | Millipore Corporation | Process of forming multilayered structures |
| DE60121757T2 (de) * | 2000-05-24 | 2007-08-02 | Millipore Corp., Billerica | Verfahren zur herstellng von membranen und die damit erhaltenen membranen |
| US7229665B2 (en) * | 2001-05-22 | 2007-06-12 | Millipore Corporation | Process of forming multilayered structures |
| US20020179521A1 (en) * | 2000-06-05 | 2002-12-05 | Paul C. Thomas | Expansion resistant filter cartridge |
| US6565530B2 (en) | 2001-02-28 | 2003-05-20 | Scimed Life Systems, Inc. | Immobilizing objects in the body |
| JP2003001074A (ja) * | 2001-06-25 | 2003-01-07 | Daicel Chem Ind Ltd | セルロース誘導体多孔質膜及びその製造法 |
| US7011930B2 (en) * | 2002-03-15 | 2006-03-14 | The Penn State Research Foundation | Method for control of temperature-sensitivity of polymers in solution |
| US7560024B2 (en) | 2002-05-14 | 2009-07-14 | Millipore Corporation | Method and system for controlling pore size of microporous phase inversion membranes |
| US7081208B2 (en) * | 2002-12-16 | 2006-07-25 | International Business Machines Corporation | Method to build a microfilter |
| JP4623626B2 (ja) * | 2004-01-30 | 2011-02-02 | 日東電工株式会社 | 多孔質膜およびその製造方法 |
| US20080004205A1 (en) | 2006-06-30 | 2008-01-03 | Millipore Corporation | Ultrafiltration membranes and methods of making |
| JP4748655B2 (ja) | 2004-06-25 | 2011-08-17 | ミリポア・コーポレイション | 限外濾過膜および製造方法 |
| US7901763B2 (en) * | 2006-12-22 | 2011-03-08 | E.I. Du Pont De Nemours And Company | Porous infusible polymer parts |
| US7842214B2 (en) * | 2007-03-28 | 2010-11-30 | 3M Innovative Properties Company | Process for forming microporous membranes |
| JP5277471B2 (ja) * | 2007-10-19 | 2013-08-28 | 川崎重工業株式会社 | ポリエーテルスルホンからなる分離膜、その製造方法および製膜原液 |
| CN101945695B (zh) * | 2008-09-30 | 2013-12-04 | 尤尼吉可株式会社 | 聚酰胺中空丝膜及其制造方法 |
| JP2011001434A (ja) * | 2009-06-17 | 2011-01-06 | Ube Industries Ltd | ポリイミド多孔質体の製造方法、及びポリイミド多孔質体 |
| WO2011138937A1 (ja) * | 2010-05-07 | 2011-11-10 | 国立大学法人大阪大学 | ポリアクリロニトリル多孔質体 |
| US9248414B2 (en) * | 2012-03-30 | 2016-02-02 | Pall Corporation | Large pore polymeric membrane |
| US20130264277A1 (en) | 2012-04-04 | 2013-10-10 | Pall Corporation | Antimicrobial filter |
| US20140048486A1 (en) * | 2012-08-16 | 2014-02-20 | Pall Corporation | Membrane with multiple size fibers |
| US9808770B2 (en) | 2013-05-14 | 2017-11-07 | Pall Corporation | High throughput membrane with channels |
| US20140339165A1 (en) | 2013-05-14 | 2014-11-20 | Pall Corporation | High throughput membrane with rough surface |
| US20140339164A1 (en) | 2013-05-14 | 2014-11-20 | Pall Corporation | High throughput membrane |
| JP6127845B2 (ja) * | 2013-09-06 | 2017-05-17 | 宇部興産株式会社 | ポリイミド前駆体溶液、多孔質膜又は被覆物の製造方法、ポリイミド多孔質膜、及び被覆物 |
| US10294267B2 (en) | 2013-12-04 | 2019-05-21 | Pall Corporation | Membrane with surface channels |
| US20150190760A1 (en) | 2014-01-06 | 2015-07-09 | Pall Corporation | Membrane with plurality of charges |
| US9610548B2 (en) | 2014-02-28 | 2017-04-04 | Pall Corporation | Composite porous polymeric membrane with high void volume |
| US9446355B2 (en) | 2014-02-28 | 2016-09-20 | Pall Corporation | Porous polymeric membrane with high void volume |
| US20150246320A1 (en) | 2014-02-28 | 2015-09-03 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9764292B2 (en) | 2014-02-28 | 2017-09-19 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9561473B2 (en) | 2014-02-28 | 2017-02-07 | Pall Corporation | Charged hollow fiber membrane having hexagonal voids |
| US9737860B2 (en) | 2014-02-28 | 2017-08-22 | Pall Corporation | Hollow fiber membrane having hexagonal voids |
| US9776142B2 (en) | 2014-02-28 | 2017-10-03 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9302228B2 (en) | 2014-02-28 | 2016-04-05 | Pall Corporation | Charged porous polymeric membrane with high void volume |
| US9303133B2 (en) | 2014-06-30 | 2016-04-05 | Pall Corporation | Hydrophilic membranes and method of preparation thereof (IV) |
| US9394407B2 (en) | 2014-06-30 | 2016-07-19 | Pall Corporation | Hydrophilic block copolymers and membranes prepared therefrom (I) |
| US9260569B2 (en) | 2014-06-30 | 2016-02-16 | Pall Corporation | Hydrophilic block copolymers and method of preparation thereof (III) |
| US9718924B2 (en) | 2014-06-30 | 2017-08-01 | Pall Corporation | Hydrophilic block copolymers and membranes prepared therefrom (II) |
| US9469737B2 (en) | 2014-08-20 | 2016-10-18 | Pall Corporation | Robust polymeric membrane |
| US9724649B2 (en) | 2015-06-25 | 2017-08-08 | Pall Corporation | Self-wetting porous membranes (I) |
| US10239023B2 (en) | 2015-06-25 | 2019-03-26 | Pall Corporation | Self-wetting porous membranes (II) |
| CN109621742B (zh) * | 2019-01-09 | 2021-10-22 | 宁波大学 | 一种偏氟乙烯共聚物树脂制备多孔膜的方法 |
| WO2020190652A1 (en) | 2019-03-15 | 2020-09-24 | Entegris, Inc. | Composite hollow fiber and related methods and products |
| US20210147628A1 (en) | 2019-11-19 | 2021-05-20 | Kyoto University | Hydrophilic polyimide, membranes prepared therefrom, and uses thereof |
| EP4061512A1 (en) | 2019-11-21 | 2022-09-28 | EMD Millipore Corporation | Hydrophilic membranes |
| US12447442B2 (en) | 2019-11-21 | 2025-10-21 | Emd Millipore Corporation | Microfiltration membrane |
| JP2024534281A (ja) | 2021-08-19 | 2024-09-19 | メルク パテント ゲーエムベーハー | ｐＨ誘起相分離による食用架橋多孔質中空繊維及び膜の製造方法並びにその使用 |
| EP4455199A4 (en) | 2021-12-23 | 2025-04-30 | I.S.T Corporation | POROUS POLYIMIDE FILM AND PROCESS FOR PRODUCING THE SAME |
| EP4397397A1 (en) | 2023-01-04 | 2024-07-10 | Novamem AG | Method of manufacturing a microporous polymer structure |
| CN119548997A (zh) * | 2024-11-26 | 2025-03-04 | 天津工业大学 | 一种多孔聚合物膜的制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812224A (en) * | 1969-05-05 | 1974-05-21 | Polysar Ltd | Process for the production of porous polymeric materials |
| DE3205289C2 (de) * | 1982-02-15 | 1984-10-31 | Akzo Gmbh, 5600 Wuppertal | Verfahren zur Herstellung von porösen Körpern mit einstellbarem Gesamtporenvolumen, einstellbarer Porengröße und einstellbarer Porenwandung |
| SE446505B (sv) * | 1982-11-16 | 1986-09-22 | Gambro Dialysatoren | Membran samt sett att framstella detta |
| DE3681143D1 (de) * | 1985-12-23 | 1991-10-02 | Gelman Sciences Inc | Filtermembran und verfahren zu ihrer herstellung. |
| JPS6397202A (ja) * | 1986-10-15 | 1988-04-27 | Toray Ind Inc | ポリエ−テルスルホン系樹脂半透膜およびその製造方法 |
| JP2505428B2 (ja) * | 1986-10-15 | 1996-06-12 | 東レ株式会社 | 低温溶解型原液およびその製造法 |
| JPS63111907A (ja) * | 1986-10-28 | 1988-05-17 | Daicel Chem Ind Ltd | 乾燥分離膜の製造方法 |
| JPH01247435A (ja) * | 1988-03-28 | 1989-10-03 | Sekisui Chem Co Ltd | 多孔体の製造方法 |
| NL8901090A (nl) * | 1989-04-28 | 1990-11-16 | X Flow Bv | Werkwijze voor het vervaardigen van een microporeus membraan en een dergelijk membraan. |
| EP0734759B1 (en) * | 1990-05-09 | 1999-02-03 | USF Filtration Limited | Polyvinylidene fluoride membrane |
-
1992
- 1992-07-07 US US07/909,904 patent/US5444097A/en not_active Expired - Lifetime
-
1993
- 1993-07-06 KR KR1019930012620A patent/KR940005729A/ko not_active Withdrawn
- 1993-07-06 DE DE69322817T patent/DE69322817T2/de not_active Expired - Lifetime
- 1993-07-06 EP EP93110802A patent/EP0578210B1/en not_active Expired - Lifetime
- 1993-07-06 JP JP5191611A patent/JPH06166116A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0578210A2 (en) | 1994-01-12 |
| KR940005729A (ko) | 1994-03-22 |
| US5444097A (en) | 1995-08-22 |
| JPH06166116A (ja) | 1994-06-14 |
| EP0578210A3 (enExample) | 1994-02-23 |
| EP0578210B1 (en) | 1998-12-30 |
| DE69322817D1 (de) | 1999-02-11 |
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