SE511394C2 - Felfrihetstestbara, torr-våt-reversibla ultrafiltreringsmembran samt metod för att testa dessa - Google Patents
Felfrihetstestbara, torr-våt-reversibla ultrafiltreringsmembran samt metod för att testa dessaInfo
- Publication number
- SE511394C2 SE511394C2 SE9301492A SE9301492A SE511394C2 SE 511394 C2 SE511394 C2 SE 511394C2 SE 9301492 A SE9301492 A SE 9301492A SE 9301492 A SE9301492 A SE 9301492A SE 511394 C2 SE511394 C2 SE 511394C2
- Authority
- SE
- Sweden
- Prior art keywords
- membrane
- liquid
- membranes
- fluid
- solvent
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 267
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 50
- 238000012360 testing method Methods 0.000 title abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 238000009736 wetting Methods 0.000 claims abstract description 46
- 239000004816 latex Substances 0.000 claims abstract description 38
- 229920000126 latex Polymers 0.000 claims abstract description 38
- 239000002245 particle Substances 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims description 83
- 239000011148 porous material Substances 0.000 claims description 63
- 239000002904 solvent Substances 0.000 claims description 54
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 49
- 238000000926 separation method Methods 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000006073 displacement reaction Methods 0.000 claims description 32
- 239000004033 plastic Substances 0.000 claims description 26
- 229920003023 plastic Polymers 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 17
- 229920000642 polymer Polymers 0.000 claims description 16
- 229920006395 saturated elastomer Polymers 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 229920006393 polyether sulfone Polymers 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 239000004695 Polyether sulfone Substances 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 229920002492 poly(sulfone) Polymers 0.000 claims description 7
- 239000007863 gel particle Substances 0.000 claims description 5
- 239000002991 molded plastic Substances 0.000 claims description 5
- 108090000623 proteins and genes Proteins 0.000 claims description 5
- 102000004169 proteins and genes Human genes 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 4
- 229920000491 Polyphenylsulfone Polymers 0.000 claims description 3
- 241000700605 Viruses Species 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 claims description 2
- 239000008280 blood Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000012503 blood component Substances 0.000 claims 1
- 238000001471 micro-filtration Methods 0.000 abstract description 7
- 239000012529 ultrafiltration/diafiltration (UF/DF) membrane Substances 0.000 abstract description 7
- 238000000611 regression analysis Methods 0.000 abstract description 2
- 238000011016 integrity testing Methods 0.000 abstract 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 26
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 15
- 230000007547 defect Effects 0.000 description 14
- 235000019260 propionic acid Nutrition 0.000 description 13
- 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 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
- 239000002344 surface layer Substances 0.000 description 11
- 239000010410 layer Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 238000010998 test method Methods 0.000 description 9
- 238000011144 upstream manufacturing Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 8
- 229920001213 Polysorbate 20 Polymers 0.000 description 7
- 230000007717 exclusion Effects 0.000 description 7
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 7
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 7
- 239000000080 wetting agent Substances 0.000 description 7
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 230000001580 bacterial effect Effects 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000012510 hollow fiber Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- -1 Arylsulphonyl Chlorides Chemical class 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000011026 diafiltration Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000003966 growth inhibitor Substances 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- FEWLNYSYJNLUOO-UHFFFAOYSA-N 1-Piperidinecarboxaldehyde Chemical compound O=CN1CCCCC1 FEWLNYSYJNLUOO-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229940113088 dimethylacetamide Drugs 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 101100298295 Drosophila melanogaster flfl gene Proteins 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 239000004909 Moisturizer Substances 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920003295 Radel® Polymers 0.000 description 1
- 229920004695 VICTREX™ PEEK Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N beta-methyl-butyric acid Natural products CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 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
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 230000001333 moisturizer Effects 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000090 poly(aryl ether) Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 238000001612 separation test Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013060 ultrafiltration and diafiltration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
- B01D65/102—Detection of leaks in membranes
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/082—Cooling
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/086—Investigating permeability, pore-volume, or surface area of porous materials of films, membranes or pellicules
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/882,473 US5480554A (en) | 1992-05-13 | 1992-05-13 | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9301492D0 SE9301492D0 (sv) | 1993-04-30 |
| SE9301492L SE9301492L (sv) | 1993-11-14 |
| SE511394C2 true SE511394C2 (sv) | 1999-09-20 |
Family
ID=25380649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9301492A SE511394C2 (sv) | 1992-05-13 | 1993-04-30 | Felfrihetstestbara, torr-våt-reversibla ultrafiltreringsmembran samt metod för att testa dessa |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US5480554A (zh) |
| JP (1) | JP2747194B2 (zh) |
| CN (1) | CN1050768C (zh) |
| CA (1) | CA2077490C (zh) |
| DE (1) | DE4315718B4 (zh) |
| FR (1) | FR2691077B1 (zh) |
| GB (1) | GB2266851B (zh) |
| IT (1) | IT1260658B (zh) |
| SE (1) | SE511394C2 (zh) |
| TW (1) | TW272139B (zh) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5762798A (en) * | 1991-04-12 | 1998-06-09 | Minntech Corporation | Hollow fiber membranes and method of manufacture |
| US5480554A (en) * | 1992-05-13 | 1996-01-02 | Pall Corporation | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same |
| US5788862A (en) * | 1992-05-13 | 1998-08-04 | Pall Corporation | Filtration medium |
| US5282380A (en) * | 1992-06-30 | 1994-02-01 | Millipore Corporation | Integrity test for membranes |
| USRE36914E (en) * | 1992-10-07 | 2000-10-17 | Minntech Corp | Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide |
| US5543047A (en) | 1992-11-06 | 1996-08-06 | Pall Corporation | Filter with over-laid pleats in intimate contact |
| CA2128296A1 (en) * | 1993-12-22 | 1995-06-23 | Peter John Degen | Polyvinylidene fluoride membrane |
| AU3815795A (en) * | 1994-11-09 | 1996-06-06 | Mitsubishi Rayon Company Limited | Hollow-filament plasma-filtering membrane and plasma-filtering module |
| US5885456A (en) * | 1996-08-09 | 1999-03-23 | Millipore Corporation | Polysulfone copolymer membranes and process |
| US6257048B1 (en) | 1998-06-22 | 2001-07-10 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for measuring surface changes, in porous materials, using multiple differently-configured acoustic sensors |
| US6264809B1 (en) | 1998-10-30 | 2001-07-24 | Pti Advanced Filtration, Inc. | Enhanced membrane electrode devices useful for electrodeposition coating |
| JP2002537105A (ja) * | 1999-02-26 | 2002-11-05 | ユナイテッド・ステイツ・フィルター・コーポレイション | 膜を評価する方法及び装置 |
| UA72503C2 (uk) * | 1999-04-04 | 2005-03-15 | Сода Клаб (Со2) Са | Система та спосіб випробування цілісності фільтра і система водоочищення (варіанти) |
| US6350385B1 (en) | 2000-12-22 | 2002-02-26 | William Holt | Method and apparatus for controlling water system fouling |
| US6719147B2 (en) | 2001-04-27 | 2004-04-13 | The University Of Delaware | Supported mesoporous carbon ultrafiltration membrane and process for making the same |
| DE10129693A1 (de) * | 2001-06-22 | 2003-01-02 | Jan Loock | Verfahren zur extrakorporalen qualitativen und/oder quantitativen Erfassung neurotoxischer Substanzen im Blutplasma eines Individuums |
| US20050139545A1 (en) * | 2002-03-12 | 2005-06-30 | Rensselaer Polytechnic , A New York Corporation, | Photo-processing and cleaning of pes and psf membranes |
| DE10227160B4 (de) * | 2002-06-18 | 2007-09-27 | Sartorius Biotech Gmbh | Verfahren zur Durchführung eines Integritätstests von Filterelementen |
| JP2007301415A (ja) * | 2004-03-03 | 2007-11-22 | Asahi Kasei Pharma Kk | 多孔性分離膜の孔径測定法及び完全性試験方法 |
| US7246515B2 (en) * | 2005-03-15 | 2007-07-24 | Hewlett-Packard Development Company, L.P. | Filtration tester |
| US7641055B2 (en) * | 2005-11-10 | 2010-01-05 | Donaldson Company, Inc. | Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy |
| US8215496B2 (en) * | 2008-01-28 | 2012-07-10 | Promerus Llc | Polynorbornene pervaporation membrane films, preparation and use thereof |
| US8991235B2 (en) * | 2009-05-07 | 2015-03-31 | Dow Global Technologies Llc | Method of testing membranes and membrane-based systems |
| CN101762561B (zh) * | 2009-11-10 | 2012-06-06 | 浙江天元生物药业有限公司 | 一种采用紫外监测法在线检测超滤膜完整性的方法 |
| CN102068920A (zh) * | 2010-11-29 | 2011-05-25 | 天津市宝钜净化设备工程有限公司 | 非对称聚氯乙烯干湿可逆超/微滤膜及制备方法和应用 |
| CN103501880B (zh) * | 2011-04-28 | 2015-08-26 | 三菱丽阳株式会社 | 多孔质中空纤维膜组件的完整性试验方法和试验装置 |
| CN102430340B (zh) * | 2011-11-15 | 2013-09-18 | 天津瑞普生物技术股份有限公司 | 一种超滤膜膜包的完整性检测方法 |
| US9726591B2 (en) * | 2012-12-27 | 2017-08-08 | General Electric Company | Dual-filter dual-integrity test assembly |
| US10898865B2 (en) * | 2013-01-31 | 2021-01-26 | American University In Cairo (AUC) | Polymer-carbon nanotube nanocomposite porous membranes |
| CN105636677B (zh) * | 2013-10-15 | 2019-03-12 | 巴斯夫欧洲公司 | 改进过滤膜的化学稳定性 |
| US9751053B2 (en) * | 2014-09-26 | 2017-09-05 | Uop Llc | Asymmetric integrally-skinned flat sheet membranes for H2 purification and natural gas upgrading |
| CN107110758B (zh) * | 2014-12-30 | 2020-03-13 | Emd密理博公司 | 用于完整性测试的无菌过滤器通风阀及端口 |
| US10702832B2 (en) | 2015-11-20 | 2020-07-07 | Emd Millipore Corporation | Enhanced stability filter integrity test |
| DK3405161T3 (da) | 2016-01-22 | 2020-02-03 | Baxter Int | Sterilopløsningsproduktpose |
| CA3011514C (en) | 2016-01-22 | 2020-11-24 | Baxter International Inc. | Method and machine for producing sterile solution product bags |
| JP7089356B2 (ja) * | 2017-11-15 | 2022-06-22 | 住友化学株式会社 | 酸性ガス分離膜シートの製造方法及び製造装置 |
| CN111432918B (zh) * | 2018-01-24 | 2022-04-05 | 北川工业株式会社 | 反渗透膜和反渗透膜的制造方法 |
| CN109297857A (zh) * | 2018-11-01 | 2019-02-01 | 迈博瑞生物膜技术（南通）有限公司 | 便于存放的手动加压测试针头滤器泡点值的装置及方法 |
| CN111141658A (zh) * | 2020-03-02 | 2020-05-12 | 贝士德仪器科技(北京)有限公司 | 采用液液驱替技术测试滤膜孔径的方法及装置 |
| CN117129401B (zh) * | 2023-09-01 | 2025-01-28 | 江西三鑫医疗科技股份有限公司 | 一种血液透析类中空纤维膜孔径分布的测试方法 |
Family Cites Families (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE224665C (zh) * | ||||
| US3615024A (en) * | 1968-08-26 | 1971-10-26 | Amicon Corp | High flow membrane |
| US3691068A (en) * | 1971-01-08 | 1972-09-12 | Amicon Corp | Dialysis membrane and its use |
| FR2138334B1 (zh) * | 1971-05-24 | 1974-03-08 | Rhone Poulenc Sa | |
| CS158458B1 (zh) * | 1972-05-02 | 1974-11-25 | ||
| US3945900A (en) * | 1972-05-02 | 1976-03-23 | Dorr-Oliver Incorporated | Electro ultrafiltration process and apparatus |
| JPS501707A (zh) * | 1973-05-02 | 1975-01-09 | ||
| US3977967A (en) * | 1973-05-10 | 1976-08-31 | Union Carbide Corporation | Ultrafiltration apparatus and process for the treatment of liquids |
| FR2266532B1 (zh) * | 1974-04-03 | 1976-12-17 | Rhone Poulenc Ind | |
| US3939049A (en) * | 1974-04-10 | 1976-02-17 | The United States Of America As Represented By The United States Energy Research And Development Administration | Process for radiation grafting hydrogels onto organic polymeric substrates |
| DE2625681C3 (de) * | 1975-06-10 | 1986-05-28 | Kuraray Co., Ltd., Kurashiki, Okayama | Trennmembran aus einem Äthylen/Vinylalkohol-Copolymeren |
| JPS51145474A (en) * | 1975-06-10 | 1976-12-14 | Kuraray Co Ltd | A blood dialysis membrane with outstanding dialysis performance and a process for producing it |
| US4033822A (en) * | 1975-11-07 | 1977-07-05 | Gregor Harry P | Enzyme-coupled ultrafiltration membranes |
| FR2331602A1 (fr) * | 1975-11-14 | 1977-06-10 | Rhone Poulenc Ind | Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse |
| US4060488A (en) * | 1975-11-20 | 1977-11-29 | E. I. Du Pont De Nemours And Company | Particulate membrane ultrafiltration device |
| JPS5856378B2 (ja) * | 1976-09-08 | 1983-12-14 | 旭化成株式会社 | アクリロニトリル系重合体乾燥膜およびその製造法 |
| US4203847A (en) * | 1977-05-25 | 1980-05-20 | Millipore Corporation | Making porous membranes and the membrane products |
| JPS5416378A (en) * | 1977-07-08 | 1979-02-06 | Asahi Chem Ind Co Ltd | Polysulfone semipermeable membrane |
| US4320009A (en) * | 1977-07-25 | 1982-03-16 | Frito-Lay, Inc. | Processed anthocyanin pigment extracts |
| JPS54145379A (en) * | 1978-05-02 | 1979-11-13 | Asahi Chem Ind Co Ltd | Aromatic polysulfone hollow fiber semipermeable membrane |
| FR2424939B2 (fr) * | 1978-05-03 | 1989-05-05 | Rhone Poulenc Ind | Compositions polymeriques pour membranes |
| DK170416B1 (da) * | 1978-05-15 | 1995-08-28 | Pall Corp | Mikroporøs, hydrofil, hindefri, alkoholuopløselig polyamidharpiksmembran, fremgangsmåde til dens fremstilling, anvendelse af membranen i filterelementer samt harpiksstøbeopløsning til brug ved fremgangsmåden |
| JPS5570304A (en) * | 1978-11-22 | 1980-05-27 | Nitto Electric Ind Co Ltd | Production of dry membrane with selective permeability |
| IL59581A0 (en) * | 1979-03-28 | 1980-06-30 | Monsanto Co | Methods for preparing anisotropic membranes and membranes prepared therefrom |
| JPS5831204B2 (ja) * | 1980-03-10 | 1983-07-05 | 日東電工株式会社 | ポリスルホン半透膜 |
| JPS5854841B2 (ja) * | 1980-03-31 | 1983-12-07 | 日東電工株式会社 | 選択性透過膜の製造方法 |
| JPS5714640A (en) * | 1980-07-02 | 1982-01-25 | Toray Ind Inc | Separating membrane of methyl methacrylate type |
| JPS5750508A (en) * | 1980-09-11 | 1982-03-25 | Mitsubishi Rayon Co Ltd | Permselective membrane and its production |
| US4473474A (en) * | 1980-10-27 | 1984-09-25 | Amf Inc. | Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid |
| DE3147579A1 (de) * | 1980-12-02 | 1982-08-05 | Sumitomo Chemical Co., Ltd., Osaka | "hohlfasermembran zur trennung von gasen und verfahren zu ihrer herstellung" |
| SU1028687A1 (ru) * | 1981-08-07 | 1983-07-15 | Научно-исследовательский институт физико-химических проблем Белорусского государственного университета им.В.И.Ленина | Раствор дл формовани мембран |
| DE3270865D1 (en) * | 1981-08-22 | 1986-06-05 | Asahi Chemical Ind | Aromatic polysulfone resin hollow yarn membrane and process for manufacturing same |
| JPS58132111A (ja) * | 1982-01-29 | 1983-08-06 | Asahi Chem Ind Co Ltd | ポリスルホン中空糸 |
| CA1168007A (en) * | 1982-02-10 | 1984-05-29 | Thomas A. Tweddle | Method of gelling cast, polysulfone membranes |
| US4431545A (en) * | 1982-05-07 | 1984-02-14 | Pall Corporation | Microporous filter system and process |
| DE3331997A1 (de) * | 1983-09-05 | 1985-03-21 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von waessrigen destillationsrueckstaenden waehrend der aufbereitung von bei der herstellung von celluloseethern anfallenden fluessigkeiten |
| EP0139202B1 (en) * | 1983-09-09 | 1989-04-12 | Fujisawa Pharmaceutical Co., Ltd. | Apparatus for testing membrane filters, and apparatus for sterilizing liquids with use of membrane filter |
| DD224665A1 (de) * | 1984-04-30 | 1985-07-10 | Univ Dresden Tech | Verfahren zur pruefung von membranen |
| US4906375A (en) * | 1984-07-14 | 1990-03-06 | Fresenius, Ag | Asymmetrical microporous hollow fiber for hemodialysis |
| US4618533A (en) * | 1984-11-30 | 1986-10-21 | Millipore Corporation | Porous membrane having hydrophilic surface and process |
| US4816252A (en) * | 1985-04-15 | 1989-03-28 | Protein Technology, Inc. | Product and process for transferring passive immunity to newborn domestic animals using ultrafiltered whey containing immunoglobulins |
| GB8513103D0 (en) * | 1985-05-23 | 1985-06-26 | Ici Plc | Solution of polymeric material |
| DE3525235C1 (de) * | 1985-07-15 | 1986-11-27 | Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht | Verfahren zur Herstellung und Erhoehung der Selektivitaet einer integralasymmetrischen Membran |
| JPS6214905A (ja) * | 1985-07-15 | 1987-01-23 | Fuji Photo Film Co Ltd | 微孔性膜の製造方法 |
| US4997565A (en) * | 1986-06-16 | 1991-03-05 | Niesen Lawrence J | Laboratory scale ultrafiltration apparatus |
| FR2600265B1 (fr) * | 1986-06-20 | 1991-09-06 | Rhone Poulenc Rech | Membranes semi-permeables sechables et hydrophiles a base de polyfluorure de vinylidene |
| US4871494A (en) * | 1986-08-15 | 1989-10-03 | Permea, Inc. | Process for forming asymmetric gas separation membranes having graded density skins |
| DE3782120T2 (de) * | 1986-08-15 | 1993-02-11 | Permea Inc | Asymmetrische gastrennungsmembranen, deren haut einen dichtegradienten aufweisen. |
| US4908267A (en) * | 1986-10-10 | 1990-03-13 | Hoechst Celanese Corp. | Ultrathin polyether sulfone films and their preparation |
| US5069945A (en) * | 1986-10-20 | 1991-12-03 | Memtec America Corporation | Ultrapous thin-film membranes |
| US4814082A (en) * | 1986-10-20 | 1989-03-21 | Memtec North America Corporation | Ultrafiltration thin film membranes |
| DE3740871A1 (de) * | 1986-12-02 | 1988-06-16 | Fuji Photo Film Co Ltd | Feinporige membran und verfahren zu ihrer herstellung |
| US4954381A (en) * | 1986-12-30 | 1990-09-04 | The Research Foundation Of The State University Of New York | Preparation of porous substrates having well defined morphology |
| US4990252A (en) * | 1987-02-04 | 1991-02-05 | Hydanautics | Stable membranes from sulfonated polyarylethers |
| US4857201A (en) * | 1988-08-26 | 1989-08-15 | Exxon Research And Engineering Company | Reverse osmosis cellulose and cellulosic membranes prepared by repeated drying and rewetting |
| DE3829752A1 (de) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | Integrale asymmetrische polyaethersulfonmembran, verfahren zur herstellung und verwendung zur ultrafiltration und mikrofiltration |
| DE3829766A1 (de) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | Verfahren zur herstellung von membranen |
| US4992485A (en) * | 1988-10-11 | 1991-02-12 | The Dow Chemical Company | Microporous peek membranes and the preparation thereof |
| US4902422A (en) * | 1988-12-06 | 1990-02-20 | Board Regents The University Of Texas System | Defect-free ultrahigh flux asymmetric membranes |
| US5022990A (en) * | 1989-01-12 | 1991-06-11 | Asahi Kasei Kogyo Kabushiki Kaisha | Polyvinylidene fluoride porous membrane and a method for producing the same |
| US4976867A (en) * | 1989-04-05 | 1990-12-11 | Hoechst Celanese Corporation | Systems and methods for predetermining maximum pressure differentials for microporous hollow fibers employed in liquid-liquid extractions |
| US4992221A (en) * | 1989-09-27 | 1991-02-12 | Permea, Inc. | Asymmetric gas separation membranes having improved strength |
| US5017292A (en) * | 1990-05-10 | 1991-05-21 | Millipore Corporation | Membrane, process and system for isolating virus from solution |
| US5076935A (en) * | 1990-05-31 | 1991-12-31 | Gelman Sciences, Inc. | Filtration membranes made from polyethersulfone/phenoxy resin blend |
| US5480554A (en) * | 1992-05-13 | 1996-01-02 | Pall Corporation | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same |
| US5468390A (en) * | 1992-11-23 | 1995-11-21 | Rensselaer Polytechnic Institute | Low fouling ultrafiltration and microfiltration aryl polysulfone |
-
1992
- 1992-05-13 US US07/882,473 patent/US5480554A/en not_active Expired - Lifetime
- 1992-09-03 CA CA002077490A patent/CA2077490C/en not_active Expired - Fee Related
-
1993
- 1993-03-02 TW TW082101525A patent/TW272139B/zh active
- 1993-04-22 GB GB9308385A patent/GB2266851B/en not_active Expired - Lifetime
- 1993-04-23 IT ITTO930280A patent/IT1260658B/it active IP Right Grant
- 1993-04-28 FR FR9305036A patent/FR2691077B1/fr not_active Expired - Lifetime
- 1993-04-30 SE SE9301492A patent/SE511394C2/sv unknown
- 1993-05-11 DE DE4315718A patent/DE4315718B4/de not_active Expired - Lifetime
- 1993-05-13 JP JP5111825A patent/JP2747194B2/ja not_active Expired - Fee Related
- 1993-05-13 CN CN93105654.3A patent/CN1050768C/zh not_active Expired - Fee Related
-
1995
- 1995-10-12 US US08/542,293 patent/US5685991A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ITTO930280A1 (it) | 1994-10-23 |
| CN1050768C (zh) | 2000-03-29 |
| CN1078661A (zh) | 1993-11-24 |
| JPH0679149A (ja) | 1994-03-22 |
| SE9301492D0 (sv) | 1993-04-30 |
| ITTO930280A0 (it) | 1993-04-23 |
| GB2266851A (en) | 1993-11-17 |
| SE9301492L (sv) | 1993-11-14 |
| FR2691077B1 (fr) | 1994-12-30 |
| TW272139B (zh) | 1996-03-11 |
| DE4315718B4 (de) | 2008-09-11 |
| DE4315718A1 (de) | 1993-11-18 |
| CA2077490A1 (en) | 1993-11-14 |
| US5480554A (en) | 1996-01-02 |
| GB2266851B (en) | 1996-09-25 |
| CA2077490C (en) | 1997-12-16 |
| FR2691077A1 (fr) | 1993-11-19 |
| GB9308385D0 (en) | 1993-06-09 |
| IT1260658B (it) | 1996-04-22 |
| JP2747194B2 (ja) | 1998-05-06 |
| US5685991A (en) | 1997-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE511394C2 (sv) | Felfrihetstestbara, torr-våt-reversibla ultrafiltreringsmembran samt metod för att testa dessa | |
| US5869174A (en) | Highly asymmetric polyethersulfone filtration membranes | |
| JP4898797B2 (ja) | 改善された濾過挙動を有する精密濾過膜 | |
| JP4656839B2 (ja) | ヘイラー膜 | |
| EP0257012B1 (en) | Asymmetric gas separation membranes having graded density skins | |
| EP0259288B1 (en) | Process and dope for forming asymmetric gas separation membranes having graded density skins | |
| JP2885712B2 (ja) | 非対称単一膜用高分子溶液およびそれを用いる非対称単一膜 | |
| US5788862A (en) | Filtration medium | |
| Alam et al. | Graphene oxide, an effective nanoadditive for a development of hollow fiber nanocomposite membrane with antifouling properties | |
| CA1141510A (en) | Methods for preparing anisotropic membranes and membranes prepared therefrom | |
| TW201622805A (zh) | 微孔性聚偏二氟乙烯平面膜 | |
| JP3698078B2 (ja) | 非対称中空糸ガス分離膜の製造方法 | |
| CN109621751A (zh) | 两亲性耐溶剂脂肪族聚酰胺超滤膜及其制备方法和用途 | |
| JP2007301415A (ja) | 多孔性分離膜の孔径測定法及び完全性試験方法 | |
| Bodzek et al. | Porous polycarbonate phase-inversion membranes | |
| Khulbe et al. | Pore size, pore size distribution, and roughness at the membrane surface | |
| US20040020853A1 (en) | Membrane and the use thereof | |
| Liu et al. | Structure and Performance of Poly (vinylidene chloride‐co‐vinyl chloride) Porous Membranes with Different Additives | |
| EP0420832B1 (en) | Asymmetric gas separation membranes having improved strength | |
| US20240238737A1 (en) | Peek membranes and related methods and devices | |
| EP0036947A1 (en) | Method for preparing a membrane of a film-forming non-sulfonated sulfone polymer | |
| Rajesh et al. | PSU/PET copolymer-based asymmetric polymeric membranes: influence of antioxidant | |
| JPS647802B2 (zh) | ||
| JPH0576331B2 (zh) | ||
| Wang et al. | Enhanced Performance of Hollow Fiber Polysulfate Membranes Achieved Through Microstructure Tuning |