DK146773C - Fremgangsmaade til fremstilling af asymmetriske permselektive cellulosetriacetatmembraner og anvendelse af en saadan membran - Google Patents
Fremgangsmaade til fremstilling af asymmetriske permselektive cellulosetriacetatmembraner og anvendelse af en saadan membranInfo
- Publication number
- DK146773C DK146773C DK492476A DK492476A DK146773C DK 146773 C DK146773 C DK 146773C DK 492476 A DK492476 A DK 492476A DK 492476 A DK492476 A DK 492476A DK 146773 C DK146773 C DK 146773C
- Authority
- DK
- Denmark
- Prior art keywords
- membranes
- cellulosetriacetate
- procedure
- preparation
- application
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title 2
- 229920002284 Cellulose triacetate Polymers 0.000 title 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 title 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
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
-
- 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
- B01D67/0011—Casting solutions therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/15—Use of additives
- B01D2323/16—Swelling agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (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 |
|---|---|---|---|
| DE2621519A DE2621519C3 (de) | 1976-05-14 | 1976-05-14 | Verfahren zur Herstellung von asymmetrischen permselektiven Zellulosetriacetatmembranen mit Skinschicht |
| DE2621519 | 1976-05-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK492476A DK492476A (da) | 1977-11-15 |
| DK146773B DK146773B (da) | 1984-01-02 |
| DK146773C true DK146773C (da) | 1984-06-12 |
Family
ID=5978012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK492476A DK146773C (da) | 1976-05-14 | 1976-10-29 | Fremgangsmaade til fremstilling af asymmetriske permselektive cellulosetriacetatmembraner og anvendelse af en saadan membran |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4147622A (da) |
| JP (1) | JPS52138485A (da) |
| AU (1) | AU505286B2 (da) |
| CA (1) | CA1078117A (da) |
| CH (1) | CH629969A5 (da) |
| DE (1) | DE2621519C3 (da) |
| DK (1) | DK146773C (da) |
| FR (1) | FR2351147A1 (da) |
| GB (1) | GB1545540A (da) |
| IL (1) | IL50799A (da) |
| IT (1) | IT1068436B (da) |
| SE (1) | SE415662B (da) |
| ZA (1) | ZA766497B (da) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5562214A (en) * | 1978-11-02 | 1980-05-10 | Toyobo Co Ltd | Production of hollow fiber membrane |
| DE2816086C3 (de) * | 1978-04-13 | 1985-04-25 | Sartorius GmbH, 3400 Göttingen | Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosetriacetat |
| DE2816085B2 (de) * | 1978-04-13 | 1981-04-23 | Sartorius GmbH, 3400 Göttingen | Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosehydrat |
| FR2433357A1 (fr) * | 1978-08-17 | 1980-03-14 | Toray Industries | Membranes d'osmose inverse formees de derives de cellulose et solutions de coulee ou de moulage pour leur preparation |
| JPS5938805B2 (ja) * | 1979-04-06 | 1984-09-19 | ダイセル化学工業株式会社 | 選択透過性を有する半透膜の製法 |
| DE2946067A1 (de) * | 1979-11-15 | 1981-05-21 | Merck Patent Gmbh, 6100 Darmstadt | Verfahren zur umstimmung von diffusionsmembranen, die so umgestimmten membranen und ihre verwendung |
| US4707266A (en) * | 1982-02-05 | 1987-11-17 | Pall Corporation | Polyamide membrane with controlled surface properties |
| SE8303413L (sv) * | 1983-06-15 | 1984-12-16 | Gambro Dialysatoren | Sett att behandla en cellulosahalfiber |
| JPS63139929A (ja) * | 1986-12-02 | 1988-06-11 | Fuji Photo Film Co Ltd | 微孔性膜の製造方法 |
| US4855048A (en) * | 1987-09-22 | 1989-08-08 | Air Products And Chemicals, Inc. | Air dried cellulose acetate membranes |
| US4859384A (en) * | 1987-11-18 | 1989-08-22 | Filmtec Corp. | Novel polyamide reverse osmosis membranes |
| JP2528169B2 (ja) * | 1987-11-19 | 1996-08-28 | 帝人株式会社 | 多孔性成型物の製造方法 |
| US5011637A (en) * | 1989-01-23 | 1991-04-30 | The Dow Chemical Company | Preparing cellulose ester membranes for gas separation |
| US4980063A (en) * | 1989-01-27 | 1990-12-25 | The Dow Chemical Company | Compositions useful for preparing cellulose ester membranes for liquid separations |
| US5624561A (en) * | 1993-07-28 | 1997-04-29 | Toyo Boseki Kabushiki Kaisha | Cellulose acetate hemodialysis membrane |
| DE102004053787B4 (de) * | 2004-11-08 | 2007-08-02 | Sartorius Ag | Cellulosehydrat-Ultrafiltrationsmembranen und Verfahren zu deren Herstellung |
| US8123945B2 (en) * | 2007-05-09 | 2012-02-28 | The United States of America as represented by the Secretary of the Interior, The Bereau of Reclamation | Method for making high flux, high salt rejection cellulose desalting membranes |
| DE102008018734B4 (de) * | 2008-04-14 | 2013-03-21 | Sartorius Stedim Biotech Gmbh | Hydrophobe Cellulose-Membran, Verfahren zu ihrer Herstellung und ihre Verwendung in der hydrophoben Interaktionschromatographie |
| CA2771902C (en) * | 2009-08-24 | 2020-02-25 | Oasys Water, Inc. | Forward osmosis membranes with removable backing layer |
| CN118477498B (zh) * | 2024-07-11 | 2024-10-18 | 阿克菲姆膜材(嘉兴)有限公司 | 一种长效抗污堵高气体渗透性的聚4-甲基-1-戊烯膜制备方法及用途 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3497072A (en) * | 1966-05-02 | 1970-02-24 | Aerojet General Co | Reverse osmosis membrane and method of manufacture |
| US3884801A (en) * | 1972-05-02 | 1975-05-20 | Us Interior | Preparation of reverse osmosis membranes by complete evaporation of the solvent system |
| US3846404A (en) * | 1973-05-23 | 1974-11-05 | Moleculon Res Corp | Process of preparing gelled cellulose triacetate products and the products produced thereby |
| US4026978A (en) * | 1975-07-17 | 1977-05-31 | The United States Of America As Represented By The Secretary Of The Interior | Method of making asymmetric cellulose triacetate membranes |
-
1976
- 1976-05-14 DE DE2621519A patent/DE2621519C3/de not_active Expired
- 1976-10-28 IT IT28785/76A patent/IT1068436B/it active
- 1976-10-29 JP JP13117576A patent/JPS52138485A/ja active Granted
- 1976-10-29 CA CA264,429A patent/CA1078117A/en not_active Expired
- 1976-10-29 CH CH1368976A patent/CH629969A5/de not_active IP Right Cessation
- 1976-10-29 FR FR7632695A patent/FR2351147A1/fr active Granted
- 1976-10-29 SE SE7612066A patent/SE415662B/xx unknown
- 1976-10-29 DK DK492476A patent/DK146773C/da not_active IP Right Cessation
- 1976-10-29 ZA ZA766497A patent/ZA766497B/xx unknown
- 1976-10-29 GB GB45089/76A patent/GB1545540A/en not_active Expired
- 1976-10-31 IL IL7650799A patent/IL50799A/xx unknown
- 1976-11-01 AU AU19222/76A patent/AU505286B2/en not_active Expired
-
1977
- 1977-03-18 US US05/779,222 patent/US4147622A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE415662B (sv) | 1980-10-20 |
| CA1078117A (en) | 1980-05-27 |
| DK146773B (da) | 1984-01-02 |
| DK492476A (da) | 1977-11-15 |
| CH629969A5 (de) | 1982-05-28 |
| AU505286B2 (en) | 1979-11-15 |
| DE2621519A1 (de) | 1977-11-24 |
| JPS5616683B2 (da) | 1981-04-17 |
| DE2621519C3 (de) | 1982-07-15 |
| GB1545540A (en) | 1979-05-10 |
| SE7612066L (sv) | 1977-11-15 |
| AU1922276A (en) | 1978-05-11 |
| IT1068436B (it) | 1985-03-21 |
| JPS52138485A (en) | 1977-11-18 |
| FR2351147B1 (da) | 1983-03-18 |
| FR2351147A1 (fr) | 1977-12-09 |
| IL50799A0 (en) | 1976-12-31 |
| US4147622A (en) | 1979-04-03 |
| ZA766497B (en) | 1977-10-26 |
| IL50799A (en) | 1980-06-30 |
| DE2621519B2 (de) | 1981-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |