CA2615965A1 - Process for producing a porous track membrane - Google Patents
Process for producing a porous track membrane Download PDFInfo
- Publication number
- CA2615965A1 CA2615965A1 CA002615965A CA2615965A CA2615965A1 CA 2615965 A1 CA2615965 A1 CA 2615965A1 CA 002615965 A CA002615965 A CA 002615965A CA 2615965 A CA2615965 A CA 2615965A CA 2615965 A1 CA2615965 A1 CA 2615965A1
- Authority
- CA
- Canada
- Prior art keywords
- film
- etching
- solution
- range
- alkaline solution
- 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.)
- Abandoned
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 64
- 238000005530 etching Methods 0.000 claims abstract description 93
- 239000011148 porous material Substances 0.000 claims abstract description 34
- 150000002500 ions Chemical class 0.000 claims abstract description 21
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 13
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 6
- 238000009835 boiling Methods 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 42
- 239000012670 alkaline solution Substances 0.000 claims description 18
- 239000002033 PVDF binder Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 239000012286 potassium permanganate Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 238000013021 overheating Methods 0.000 claims description 8
- -1 alkali metal salt Chemical class 0.000 claims description 7
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 229910052797 bismuth Inorganic materials 0.000 claims description 4
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 4
- 229910052743 krypton Inorganic materials 0.000 claims description 4
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052724 xenon Inorganic materials 0.000 claims description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000002245 particle Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920002313 fluoropolymer Polymers 0.000 description 3
- 239000004811 fluoropolymer Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920013653 perfluoroalkoxyethylene Polymers 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229920009405 Polyvinylidenefluoride (PVDF) Film Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229920001780 ECTFE Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene 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
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B01D67/0032—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
-
- 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
-
- 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
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- ing And Chemical Polishing (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/189,363 | 2005-07-26 | ||
| US11/189,363 US7597815B2 (en) | 2003-05-29 | 2005-07-26 | Process for producing a porous track membrane |
| PCT/SG2006/000213 WO2007013861A1 (en) | 2005-07-26 | 2006-07-26 | Process for producing a porous track membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2615965A1 true CA2615965A1 (en) | 2007-02-01 |
Family
ID=37683664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002615965A Abandoned CA2615965A1 (en) | 2005-07-26 | 2006-07-26 | Process for producing a porous track membrane |
Country Status (16)
| Country | Link |
|---|---|
| US (2) | US7597815B2 (https=) |
| EP (1) | EP1919598A4 (https=) |
| JP (1) | JP2009502473A (https=) |
| KR (1) | KR20080034964A (https=) |
| CN (1) | CN101227966A (https=) |
| AU (1) | AU2006273000A1 (https=) |
| BR (1) | BRPI0614457A2 (https=) |
| CA (1) | CA2615965A1 (https=) |
| EA (1) | EA200800418A1 (https=) |
| IL (1) | IL188715A0 (https=) |
| IS (1) | IS8709A (https=) |
| MX (1) | MX2008001236A (https=) |
| NO (1) | NO20080976L (https=) |
| TW (1) | TW200709845A (https=) |
| WO (1) | WO2007013861A1 (https=) |
| ZA (1) | ZA200800913B (https=) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008525180A (ja) * | 2004-12-22 | 2008-07-17 | ドレセル プライヴェイト リミテッド | メンブレンカード並びにその製造方法及び使用方法 |
| WO2008112888A1 (en) * | 2007-03-13 | 2008-09-18 | University Of Houston | Device and method for manufacturing a particulate filter with regularly spaced micropores |
| FR2975019B1 (fr) * | 2011-05-09 | 2013-05-24 | Commissariat Energie Atomique | Membranes nanostructurees et leurs utilisations |
| CN103781537B (zh) * | 2011-08-22 | 2016-04-06 | 陶氏环球技术有限责任公司 | 由包含自组装嵌段共聚物的聚合物掺合物形成的复合膜 |
| US8980148B2 (en) | 2012-04-09 | 2015-03-17 | Nanotech Industries, Inc. | Method of manufacturing a track membrane |
| RU2519184C1 (ru) * | 2012-12-24 | 2014-06-10 | Общество с ограниченной ответственностью "НАНО КАСКАД" | Способ изготовления трековой мембраны для фильтрации крови |
| RU2518972C1 (ru) * | 2012-12-24 | 2014-06-10 | Общество с ограниченной ответственностью "НАНО КАСКАД" | Трековая мембрана для фильтрации крови |
| JP2014189655A (ja) * | 2013-03-27 | 2014-10-06 | Nitto Denko Corp | 多孔性高分子フィルムの製造方法および多孔性高分子フィルム |
| JP2014189654A (ja) * | 2013-03-27 | 2014-10-06 | Nitto Denko Corp | 多孔性高分子フィルムの製造方法 |
| CN104014257B (zh) * | 2014-05-30 | 2016-08-17 | 天津理源科技有限公司 | 一种精密输液用自动止液核孔滤膜及其制备方法 |
| CN104607054B (zh) * | 2014-12-31 | 2017-11-10 | 浙江南洋慧通新材料有限公司 | 具有止液功能的重离子微孔膜制备方法及使用膜的输液器 |
| US10250782B2 (en) * | 2015-10-08 | 2019-04-02 | Samsung Electro-Mechanics Co., Ltd. | Camera module, electronic device, and method of operating the same using pre-estimated lens-customized point spread function (PSF) |
| CN112316758B (zh) * | 2020-09-02 | 2022-04-22 | 万华化学集团股份有限公司 | 一种气态膜及其制备方法，一种制备无溴或低溴盐水的方法 |
| CN113398772B (zh) * | 2021-07-23 | 2023-03-17 | 山东招金膜天股份有限公司 | 一种中空纤维膜膜束连续自动浸泡处理装置及方法 |
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| US3677844A (en) * | 1970-11-19 | 1972-07-18 | Gen Electric | Process for making an elastic stretchy sheet containing apertures having a diameter of at least five angstroms and being suitable as a molecular sieve |
| US4021279A (en) * | 1972-04-20 | 1977-05-03 | Stichting Reactor Centrum Nederland | Method of forming groove pattern |
| US3827315A (en) * | 1973-01-23 | 1974-08-06 | J Lupo | Automatic transmission shifting point and firmness variation control |
| JPS6029742B2 (ja) * | 1977-06-30 | 1985-07-12 | 日本原子力研究所 | 多孔性ポリフツ化ビニリデン膜の製造方法 |
| EP0050168A3 (en) | 1980-10-03 | 1982-05-26 | Fanuc Ltd. | A position control system for a numerical-controlled machine tool |
| IT8025482A0 (it) * | 1980-10-21 | 1980-10-21 | Oronzio De Nora Impianti | Membrana modificata morfologicamente ed uso della stessa in procedimenti di elettrolisi. |
| US4359360A (en) * | 1981-12-10 | 1982-11-16 | The United States Of America As Represented By The Secretary Of The Air Force | Apparatus for selectively jet etching a plastic encapsulating an article |
| DE3345050A1 (de) * | 1983-12-13 | 1985-06-20 | Walter 7758 Meersburg Holzer | Verfahren zum umweltfreundlichen aetzen von leiterplatten und vorrichtung zur ausuebung des arbeitsverfahrens |
| JPH0338228A (ja) * | 1989-07-03 | 1991-02-19 | Sumitomo Electric Ind Ltd | 多孔性高分子膜及びその製造方法 |
| JPH0338227A (ja) * | 1989-07-03 | 1991-02-19 | Sumitomo Electric Ind Ltd | 多孔性高分子膜の製造方法 |
| JPH0338338A (ja) | 1989-07-05 | 1991-02-19 | Japan Synthetic Rubber Co Ltd | 積層物 |
| JPH03135853A (ja) * | 1989-10-20 | 1991-06-10 | Hitachi Ltd | 自動車用制御装置および自動車制御方法 |
| JPH07117868B2 (ja) * | 1991-04-30 | 1995-12-18 | インターナショナル・ビジネス・マシーンズ・コーポレイション | タツチ型作動キーボード定義方法及び装置 |
| GB9120701D0 (en) * | 1991-09-30 | 1991-11-13 | British Telecomm | Surface treatment of halide glass articles |
| US5449917A (en) | 1992-02-06 | 1995-09-12 | Costar Corporation | Method and apparatus for forming a plurality of tracks in a flexible workpiece with a high energy particle |
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-
2005
- 2005-07-26 US US11/189,363 patent/US7597815B2/en not_active Expired - Fee Related
-
2006
- 2006-07-26 ZA ZA200800913A patent/ZA200800913B/xx unknown
- 2006-07-26 CN CNA200680026951XA patent/CN101227966A/zh active Pending
- 2006-07-26 BR BRPI0614457-8A patent/BRPI0614457A2/pt not_active IP Right Cessation
- 2006-07-26 MX MX2008001236A patent/MX2008001236A/es unknown
- 2006-07-26 WO PCT/SG2006/000213 patent/WO2007013861A1/en not_active Ceased
- 2006-07-26 CA CA002615965A patent/CA2615965A1/en not_active Abandoned
- 2006-07-26 JP JP2008523845A patent/JP2009502473A/ja active Pending
- 2006-07-26 EA EA200800418A patent/EA200800418A1/ru unknown
- 2006-07-26 TW TW095127324A patent/TW200709845A/zh unknown
- 2006-07-26 EP EP06769696A patent/EP1919598A4/en not_active Withdrawn
- 2006-07-26 AU AU2006273000A patent/AU2006273000A1/en not_active Abandoned
- 2006-07-26 KR KR1020087004488A patent/KR20080034964A/ko not_active Withdrawn
-
2008
- 2008-01-10 IL IL188715A patent/IL188715A0/en unknown
- 2008-01-25 IS IS8709A patent/IS8709A/is unknown
- 2008-02-21 NO NO20080976A patent/NO20080976L/no not_active Application Discontinuation
-
2009
- 2009-10-05 US US12/573,807 patent/US20100018852A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CN101227966A (zh) | 2008-07-23 |
| US7597815B2 (en) | 2009-10-06 |
| US20050252883A1 (en) | 2005-11-17 |
| EP1919598A1 (en) | 2008-05-14 |
| AU2006273000A1 (en) | 2007-02-01 |
| BRPI0614457A2 (pt) | 2011-03-29 |
| EP1919598A4 (en) | 2008-08-20 |
| ZA200800913B (en) | 2009-04-29 |
| JP2009502473A (ja) | 2009-01-29 |
| NO20080976L (no) | 2008-02-21 |
| KR20080034964A (ko) | 2008-04-22 |
| WO2007013861A1 (en) | 2007-02-01 |
| TW200709845A (en) | 2007-03-16 |
| US20100018852A1 (en) | 2010-01-28 |
| MX2008001236A (es) | 2008-03-24 |
| IL188715A0 (en) | 2008-08-07 |
| IS8709A (is) | 2008-01-25 |
| EA200800418A1 (ru) | 2008-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |