JPH0412171B2 - - Google Patents
Info
- Publication number
- JPH0412171B2 JPH0412171B2 JP59248261A JP24826184A JPH0412171B2 JP H0412171 B2 JPH0412171 B2 JP H0412171B2 JP 59248261 A JP59248261 A JP 59248261A JP 24826184 A JP24826184 A JP 24826184A JP H0412171 B2 JPH0412171 B2 JP H0412171B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- mixture
- precipitation
- blowing agent
- filter
- 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
Links
- 239000000203 mixture Substances 0.000 claims description 108
- 238000005345 coagulation Methods 0.000 claims description 107
- 230000015271 coagulation Effects 0.000 claims description 107
- 238000001556 precipitation Methods 0.000 claims description 97
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 93
- 239000010409 thin film Substances 0.000 claims description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 53
- 239000004604 Blowing Agent Substances 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 39
- 239000002904 solvent Substances 0.000 claims description 39
- 239000012528 membrane Substances 0.000 claims description 36
- 239000004760 aramid Substances 0.000 claims description 33
- 229920003235 aromatic polyamide Polymers 0.000 claims description 33
- 239000010408 film Substances 0.000 claims description 21
- 239000011265 semifinished product Substances 0.000 claims description 19
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 16
- -1 alkali metal salt Chemical class 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 6
- 238000001471 micro-filtration Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 6
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 229940018564 m-phenylenediamine Drugs 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 239000004088 foaming agent Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000013543 active substance Substances 0.000 claims 2
- 239000012080 ambient air Substances 0.000 claims 2
- 239000002585 base Substances 0.000 claims 2
- 230000001112 coagulating effect Effects 0.000 claims 2
- 239000003570 air Substances 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 23
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 description 14
- JLFNLZLINWHATN-UHFFFAOYSA-N pentaethylene glycol Chemical compound OCCOCCOCCOCCOCCO JLFNLZLINWHATN-UHFFFAOYSA-N 0.000 description 14
- 239000011347 resin Substances 0.000 description 14
- 229920005989 resin Polymers 0.000 description 14
- 239000004698 Polyethylene Substances 0.000 description 13
- 230000035699 permeability Effects 0.000 description 13
- 229920000573 polyethylene Polymers 0.000 description 13
- 210000003491 skin Anatomy 0.000 description 7
- 238000000635 electron micrograph Methods 0.000 description 5
- 238000005511 kinetic theory Methods 0.000 description 5
- 229940068918 polyethylene glycol 400 Drugs 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000037305 epidermis formation Effects 0.000 description 1
- 238000002615 hemofiltration Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000010399 physical interaction Effects 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
-
- 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
- B01D2323/08—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
- B01D2323/12—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
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833342823 DE3342823A1 (de) | 1983-11-26 | 1983-11-26 | Verfahren zum herstellen von filterelementen auf der basis von aromatischem polyamid |
| DE3342823.9 | 1983-11-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60187308A JPS60187308A (ja) | 1985-09-24 |
| JPH0412171B2 true JPH0412171B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-03-03 |
Family
ID=6215333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59248261A Granted JPS60187308A (ja) | 1983-11-26 | 1984-11-26 | 芳香族ポリアミド系フイルタ要素の製法 |
Country Status (4)
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900443A (en) * | 1980-03-14 | 1990-02-13 | Memtec North America Corporation | Porous aramid membranes and emulsions useful for the casting thereof |
| FR2600264B1 (fr) * | 1986-06-20 | 1990-06-08 | Commissariat Energie Atomique | Element d'ultrafiltration, d'hyperfiltration ou de demineralisation son procede de fabrication et son utilisation pour le traitement d'effluents liquides radioactifs |
| US4888116A (en) * | 1987-01-15 | 1989-12-19 | The Dow Chemical Company | Method of improving membrane properties via reaction of diazonium compounds or precursors |
| US4812238A (en) * | 1987-01-15 | 1989-03-14 | The Dow Chemical Company | Membranes prepared via reaction of diazonium compounds or precursors |
| DE3856346D1 (de) * | 1987-05-06 | 1999-08-05 | Usf Filtration & Separations | Herstellung poröser aramid-membranen |
| DE3730024A1 (de) * | 1987-09-08 | 1989-03-16 | Basf Ag | Formen fuer das druckschlickergiessen zur herstellung von formteilen aus keramischen massen |
| US5149425A (en) * | 1988-11-09 | 1992-09-22 | Chembiomed, Ltd. | Affinity supports for hemoperfusion |
| US5240601A (en) * | 1988-11-09 | 1993-08-31 | Chembiomed, Ltd. | Affinity supports for hemoperfusion |
| DE69020248T2 (de) * | 1989-07-14 | 1996-01-25 | Terumo Corp | Filtermaterial zum Abscheiden von Leukozyten und Verfahren zu seiner Herstellung. |
| US5006247A (en) * | 1989-08-15 | 1991-04-09 | Minnesota Mining And Manufacturing Company | Asymmetric porous polyamide membranes |
| US5076817A (en) * | 1990-11-30 | 1991-12-31 | E. I. Du Pont De Nemours And Company | Polyamide gas separation membranes and process of using same |
| DK0543171T3 (da) * | 1991-10-26 | 1997-07-28 | Hoechst Ag | Semipermeable, porøse, asymmetriske polyetheramidmembraner. |
| US5562826A (en) * | 1991-10-26 | 1996-10-08 | Hoechst Aktiengesellschaft | Semipermeable, porous, asymmetric polyether amide membranes |
| US5268097A (en) * | 1992-06-19 | 1993-12-07 | Sepracor Inc. | Passivated and stabilized porous mineral oxide supports and method for the preparation and use of same |
| US5470463A (en) * | 1992-06-19 | 1995-11-28 | Sepracor Inc. | Passivated porous supports and methods for the preparation and use of same |
| US5906734A (en) * | 1992-06-19 | 1999-05-25 | Biosepra Inc. | Passivated porous polymer supports and methods for the preparation and use of same |
| US5445732A (en) * | 1992-06-19 | 1995-08-29 | Sepracor Inc. | Passivated porous polymer supports and methods for the preparation and use of same |
| US5906747A (en) * | 1995-11-13 | 1999-05-25 | Biosepra Inc. | Separation of molecules from dilute solutions using composite chromatography media having high dynamic sorptive capacity at high flow rates |
| JP6593172B2 (ja) * | 2013-12-13 | 2019-10-23 | 日産化学株式会社 | ポリマーの精製方法 |
| CN107029564B (zh) | 2016-02-03 | 2020-11-06 | 微宏动力系统（湖州）有限公司 | 一种芳香族聚酰胺多孔膜制备方法及芳香族聚酰胺多孔膜 |
| CN107096402B (zh) * | 2016-02-19 | 2020-03-27 | 中国科学院苏州纳米技术与纳米仿生研究所 | 水中抗油吸附和粘附材料、膜、涂层及其制备方法与应用 |
| WO2017217446A1 (ja) * | 2016-06-17 | 2017-12-21 | 旭化成株式会社 | 多孔質膜、及び多孔質膜の製造方法 |
| CN108939950B (zh) * | 2018-07-23 | 2021-05-04 | 大连理工大学 | 一种芳香族聚酰胺膜的制备方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3100721A (en) * | 1961-02-21 | 1963-08-13 | Du Pont | Process for producing microporous films and coatings |
| BE624250A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-10-31 | |||
| BE626816A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1962-01-05 | |||
| US3348963A (en) * | 1964-11-14 | 1967-10-24 | Kurashiki Rayon Co | Method of producing gas-permeable elastic polyurethane films |
| GB1143635A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1965-03-09 | |||
| DE1694059C3 (de) * | 1966-01-03 | 1974-02-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von mikroporösen, wasserdampfdurchlässigen Flächengebilden |
| US3481765A (en) * | 1966-03-12 | 1969-12-02 | Kuraray Co | Process for manufacturing sheet materials having a good gas permeability |
| US3492154A (en) * | 1966-09-30 | 1970-01-27 | Du Pont | Process for producing microporous polymeric materials |
| DE2554932A1 (de) * | 1975-12-06 | 1977-06-08 | Bayer Ag | Semipermeable membranen aus copolyamiden |
| US4217227A (en) * | 1975-12-06 | 1980-08-12 | Bayer Aktiengesellschaft | Semipermeable membranes of copolyamides |
| ES462585A1 (es) * | 1976-09-24 | 1978-07-16 | Bauer Ag | Procedimiento para la obtencion de membranas semipermeables. |
| JPS54151570A (en) * | 1978-05-22 | 1979-11-28 | Teijin Ltd | Selectively permeable composite membrane and its manufacture |
| US4229241A (en) * | 1978-12-04 | 1980-10-21 | W. R. Grace & Co. | Process for making a multi layer polyolefin shrink film |
-
1983
- 1983-11-26 DE DE19833342823 patent/DE3342823A1/de active Granted
-
1984
- 1984-11-16 GB GB08429029A patent/GB2151177B/en not_active Expired
- 1984-11-21 US US06/673,654 patent/US4627992A/en not_active Expired - Lifetime
- 1984-11-26 JP JP59248261A patent/JPS60187308A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60187308A (ja) | 1985-09-24 |
| DE3342823A1 (de) | 1985-06-05 |
| GB8429029D0 (en) | 1984-12-27 |
| GB2151177A (en) | 1985-07-17 |
| US4627992A (en) | 1986-12-09 |
| GB2151177B (en) | 1987-02-18 |
| DE3342823C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0412171B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| US4207182A (en) | Polymeric compositions for membranes | |
| US4075108A (en) | Polycarbonate membranes and production thereof | |
| JPH01502007A (ja) | 微孔質非対称ポリアミド膜 | |
| JPS63116723A (ja) | 中空繊維不整ガス分離膜の形成方法 | |
| US4160791A (en) | Polycarbonate membranes and production thereof | |
| JPS5891732A (ja) | ポリフツ化ビニリデン系樹脂多孔膜及びその製法 | |
| JPS5812028B2 (ja) | 血液透折用ポリカ−ボネ−ト膜 | |
| JPH0278425A (ja) | ポリ弗化ビニリデンに基づく親水性かつ乾燥性の半透膜 | |
| JPH03500734A (ja) | 多孔性アラミド膜の製造方法 | |
| CN115770493B (zh) | 一种窄孔径镁锂分离纳滤膜及其制备方法 | |
| JP2837694B2 (ja) | 多孔性分離膜 | |
| Petrov et al. | Preparation of polyacrylonitrile ultrafiltration membranes from polymer solutions containing glycerol | |
| JPS6151928B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPS5958041A (ja) | ポリスルホン多孔膜の製造方法 | |
| JPS6058207A (ja) | 複合半透膜及びその製造方法 | |
| JPS6146203A (ja) | 複合半透膜及びその製造方法 | |
| CN106823806B (zh) | 一种规则四层结构的纳滤膜、制备方法及在高浓度盐分离过程中的应用 | |
| JPS63137703A (ja) | スルホン化ポリサルホン膜形成材料の製造法 | |
| JPS5830308A (ja) | セルロ−スエステル透過膜およびその製造方法 | |
| JPS59173105A (ja) | ポリスルホン半透膜 | |
| JPH07114929B2 (ja) | 高分子多孔質平膜の製造方法 | |
| JPS59139902A (ja) | 選択性透過膜の製造方法 | |
| JPH01168306A (ja) | 半透性複合膜の製造方法 | |
| JPS6052843B2 (ja) | 溶質分離膜の製造方法 |