FR2333548A1 - Nouvelles membranes semi-permeables en copolyamides, et leur utilisation pour l'osmose inverse - Google Patents
Nouvelles membranes semi-permeables en copolyamides, et leur utilisation pour l'osmose inverseInfo
- Publication number
- FR2333548A1 FR2333548A1 FR7636695A FR7636695A FR2333548A1 FR 2333548 A1 FR2333548 A1 FR 2333548A1 FR 7636695 A FR7636695 A FR 7636695A FR 7636695 A FR7636695 A FR 7636695A FR 2333548 A1 FR2333548 A1 FR 2333548A1
- Authority
- FR
- France
- Prior art keywords
- copolyamide
- membranes
- permeable
- reverse osmosis
- new semi
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title 1
- 238000001223 reverse osmosis Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/38—Polyamides prepared from aldehydes and polynitriles
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment
-
- 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)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752554932 DE2554932A1 (de) | 1975-12-06 | 1975-12-06 | Semipermeable membranen aus copolyamiden |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2333548A1 true FR2333548A1 (fr) | 1977-07-01 |
FR2333548B1 FR2333548B1 (fr) | 1983-02-18 |
Family
ID=5963661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7636695A Granted FR2333548A1 (fr) | 1975-12-06 | 1976-12-06 | Nouvelles membranes semi-permeables en copolyamides, et leur utilisation pour l'osmose inverse |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5270989A (fr) |
AT (1) | AT364733B (fr) |
BE (1) | BE849099A (fr) |
CA (1) | CA1101161A (fr) |
DE (1) | DE2554932A1 (fr) |
FR (1) | FR2333548A1 (fr) |
GB (1) | GB1539264A (fr) |
IT (1) | IT1123942B (fr) |
NL (1) | NL7613507A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0307575A2 (fr) * | 1987-09-17 | 1989-03-22 | Hüls Aktiengesellschaft | Procédé de fabrication de polyamides aromatiques à haut poids moléculaire |
EP0473541A2 (fr) * | 1990-08-17 | 1992-03-04 | Ciba-Geigy Ag | Procédé d'enrichissement ou de séparation, copolyamide et copolyimidamide et leur utilisation |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55115428A (en) * | 1979-02-26 | 1980-09-05 | Teijin Ltd | Aromatic compolyamide and preparation thereof |
JPS5734125A (en) * | 1980-08-07 | 1982-02-24 | Teijin Ltd | Fully aromatic polyamide fiber and film and their production |
US4385148A (en) * | 1981-06-25 | 1983-05-24 | E. I. Du Pont De Nemours And Company | Reverse osmosis membrane preparation |
JPS5855006A (ja) * | 1981-09-28 | 1983-04-01 | Mitsubishi Chem Ind Ltd | ポリスルホンエ−テルアミド膜 |
ES8308901A1 (es) * | 1981-10-21 | 1983-10-01 | Du Pont | "mejoras introducidas en un procedimiento para la preparacion de una membrana de osmosis inversa". |
DE3220376A1 (de) * | 1982-05-29 | 1983-12-01 | Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach | Membranfilter fuer mikrofiltration und verfahren zu seiner herstellung |
DE3342823A1 (de) * | 1983-11-26 | 1985-06-05 | Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach | Verfahren zum herstellen von filterelementen auf der basis von aromatischem polyamid |
US4621134A (en) * | 1984-04-25 | 1986-11-04 | Mitsubishi Petrochemical Co., Ltd. | Aromatic polythioetheramide |
JPS61259727A (ja) * | 1985-05-13 | 1986-11-18 | Agency Of Ind Science & Technol | 分離膜 |
JPS62102803A (ja) * | 1985-10-31 | 1987-05-13 | Agency Of Ind Science & Technol | 気体分離膜 |
JPS62102802A (ja) * | 1985-10-31 | 1987-05-13 | Agency Of Ind Science & Technol | 気体分離膜 |
US4695383A (en) * | 1986-03-12 | 1987-09-22 | Toyo Boseki Kabushiki Kaisha | Permselective membrane |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3094511A (en) * | 1958-11-17 | 1963-06-18 | Du Pont | Wholly aromatic polyamides |
US3349062A (en) * | 1966-07-21 | 1967-10-24 | Du Pont | Halogenated aromatic polyamides |
US3567632A (en) * | 1968-09-04 | 1971-03-02 | Du Pont | Permselective,aromatic,nitrogen-containing polymeric membranes |
FR2156839A1 (fr) * | 1971-10-19 | 1973-06-01 | Us Government | |
FR2193634A1 (en) * | 1972-07-20 | 1974-02-22 | Du Pont | Polyimide semi-permeable membranes |
FR2197921A1 (fr) * | 1972-08-30 | 1974-03-29 | Toray Industries | |
FR2231711A1 (fr) * | 1973-05-28 | 1974-12-27 | Toray Industries | |
FR2295977A1 (fr) * | 1974-12-27 | 1976-07-23 | Teijin Ltd | Copolyamides aromatiques utilisables notamment pour la fabrication de fibres et de pellicules |
DE2602493A1 (de) * | 1975-01-27 | 1976-07-29 | Ramot Plastics | Verfahren zur entfernung von harnstoff aus waessrigen loesungen |
-
1975
- 1975-12-06 DE DE19752554932 patent/DE2554932A1/de not_active Withdrawn
-
1976
- 1976-11-29 GB GB49609/76A patent/GB1539264A/en not_active Expired
- 1976-12-03 JP JP51144876A patent/JPS5270989A/ja active Pending
- 1976-12-03 AT AT0897276A patent/AT364733B/de not_active IP Right Cessation
- 1976-12-03 NL NL7613507A patent/NL7613507A/xx not_active Application Discontinuation
- 1976-12-03 IT IT30101/76A patent/IT1123942B/it active
- 1976-12-03 CA CA267,138A patent/CA1101161A/fr not_active Expired
- 1976-12-06 BE BE172994A patent/BE849099A/fr not_active IP Right Cessation
- 1976-12-06 FR FR7636695A patent/FR2333548A1/fr active Granted
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3094511A (en) * | 1958-11-17 | 1963-06-18 | Du Pont | Wholly aromatic polyamides |
US3349062A (en) * | 1966-07-21 | 1967-10-24 | Du Pont | Halogenated aromatic polyamides |
US3567632A (en) * | 1968-09-04 | 1971-03-02 | Du Pont | Permselective,aromatic,nitrogen-containing polymeric membranes |
FR2156839A1 (fr) * | 1971-10-19 | 1973-06-01 | Us Government | |
FR2193634A1 (en) * | 1972-07-20 | 1974-02-22 | Du Pont | Polyimide semi-permeable membranes |
FR2197921A1 (fr) * | 1972-08-30 | 1974-03-29 | Toray Industries | |
FR2231711A1 (fr) * | 1973-05-28 | 1974-12-27 | Toray Industries | |
FR2295977A1 (fr) * | 1974-12-27 | 1976-07-23 | Teijin Ltd | Copolyamides aromatiques utilisables notamment pour la fabrication de fibres et de pellicules |
DE2602493A1 (de) * | 1975-01-27 | 1976-07-29 | Ramot Plastics | Verfahren zur entfernung von harnstoff aus waessrigen loesungen |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0307575A2 (fr) * | 1987-09-17 | 1989-03-22 | Hüls Aktiengesellschaft | Procédé de fabrication de polyamides aromatiques à haut poids moléculaire |
EP0307575A3 (en) * | 1987-09-17 | 1990-08-01 | Huls Aktiengesellschaft | Mouldings based on highly molecular aromatic polyamides |
EP0473541A2 (fr) * | 1990-08-17 | 1992-03-04 | Ciba-Geigy Ag | Procédé d'enrichissement ou de séparation, copolyamide et copolyimidamide et leur utilisation |
EP0473541A3 (en) * | 1990-08-17 | 1992-05-27 | Ciba-Geigy Ag | Process for enrichment or separation, copolyamide and copolyimidamide and their use |
Also Published As
Publication number | Publication date |
---|---|
IT1123942B (it) | 1986-04-30 |
GB1539264A (en) | 1979-01-31 |
NL7613507A (nl) | 1977-06-08 |
DE2554932A1 (de) | 1977-06-08 |
FR2333548B1 (fr) | 1983-02-18 |
ATA897276A (de) | 1981-04-15 |
AT364733B (de) | 1981-11-10 |
JPS5270989A (en) | 1977-06-13 |
BE849099A (fr) | 1977-06-06 |
CA1101161A (fr) | 1981-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |