FR2286850A1 - Membranes en polyacrylamide methylole ou en polyacrylamide substitue methylole et leur fabrication - Google Patents
Membranes en polyacrylamide methylole ou en polyacrylamide substitue methylole et leur fabricationInfo
- Publication number
- FR2286850A1 FR2286850A1 FR7433243A FR7433243A FR2286850A1 FR 2286850 A1 FR2286850 A1 FR 2286850A1 FR 7433243 A FR7433243 A FR 7433243A FR 7433243 A FR7433243 A FR 7433243A FR 2286850 A1 FR2286850 A1 FR 2286850A1
- Authority
- FR
- France
- Prior art keywords
- methylolated
- crosslinking
- membrane
- fractionation
- 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 abstract 5
- 229920002401 polyacrylamide Polymers 0.000 title abstract 3
- 238000005194 fractionation Methods 0.000 title abstract 2
- 238000004132 cross linking Methods 0.000 abstract 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
- -1 alkyl acrylamides Chemical class 0.000 abstract 1
- 235000019270 ammonium chloride Nutrition 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 238000000502 dialysis Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910001629 magnesium chloride Inorganic materials 0.000 abstract 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000001223 reverse osmosis Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000000108 ultra-filtration Methods 0.000 abstract 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
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
-
- 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
- B01D69/1214—Chemically bonded layers, e.g. cross-linking
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7433243A FR2286850A1 (fr) | 1974-10-02 | 1974-10-02 | Membranes en polyacrylamide methylole ou en polyacrylamide substitue methylole et leur fabrication |
| IT7551575A IT1047642B (it) | 1974-10-02 | 1975-09-30 | Membrane poliacrilammidi metilolate o di poliacpilammide sostituita metilolata utili in particolare per tecniche di osmosi ultrafiltrazione dialisi e simili e relativo procedimento di produzione |
| DE2544118A DE2544118C2 (de) | 1974-10-02 | 1975-10-02 | Zusammengesetzte Membran aus einem Träger und einem darauf aufgebrachten dünnen semipermeablen Häutchen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7433243A FR2286850A1 (fr) | 1974-10-02 | 1974-10-02 | Membranes en polyacrylamide methylole ou en polyacrylamide substitue methylole et leur fabrication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2286850A1 true FR2286850A1 (fr) | 1976-04-30 |
| FR2286850B1 FR2286850B1 (fr) | 1977-03-18 |
Family
ID=9143686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7433243A Granted FR2286850A1 (fr) | 1974-10-02 | 1974-10-02 | Membranes en polyacrylamide methylole ou en polyacrylamide substitue methylole et leur fabrication |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2544118C2 (fr) |
| FR (1) | FR2286850A1 (fr) |
| IT (1) | IT1047642B (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2438085A1 (fr) * | 1978-10-05 | 1980-04-30 | Nissan Motor | Procede de regeneration d'agents de coupe solubles dans l'eau et filtre pour sa mise en oeuvre |
| US4610887A (en) * | 1983-10-17 | 1986-09-09 | Institut National De Recherche Chimique Appliquee | Process for concentration of fermented juices by reversed osmosis |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385148A (en) * | 1981-06-25 | 1983-05-24 | E. I. Du Pont De Nemours And Company | Reverse osmosis membrane preparation |
| ES8308901A1 (es) * | 1981-10-21 | 1983-10-01 | Du Pont | "mejoras introducidas en un procedimiento para la preparacion de una membrana de osmosis inversa". |
| US4415455A (en) * | 1982-11-09 | 1983-11-15 | Rohm And Haas Company | Reverse osmosis membranes based on hydroxyalkyl methacrylate and methacrylic acid copolymers |
| US20020011450A1 (en) | 2000-01-14 | 2002-01-31 | Wayne Kelly | System and method for liquid filtration based on a neutral filter material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH387298A (fr) * | 1955-02-24 | 1965-01-31 | Pittsburgh Plate Glass Co | Procédé de préparation de copolymères de l'acrylamide modifiés |
| DE1595054A1 (de) * | 1964-08-11 | 1970-01-22 | Nippon Paint Co Ltd | Verfahren zur Herstellung von aus Loesungen filmbildenden,bei Raumtemperatur stabilen,hitzehaertbaren Mischpolymerisaten |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3520804A (en) * | 1967-07-19 | 1970-07-21 | Lubrizol Corp | Desalination using an n-3-oxohydrocarbon-substituted acrylamide polymer membrane |
| DE1930506A1 (de) * | 1968-03-18 | 1970-01-02 | Lubrizol Corp | Verfahren zur Herstellung von N-(3-Hydroxyalkyl)-acrylamid- Polymerisaten und ihre Verwendung zur Herstellung von Formkoerpern,insbesondere semipermeabler Membranen |
| NL174020C (nl) * | 1973-09-07 | 1984-04-16 | Sumitomo Chemical Co | Werkwijze voor het vervaardigen van een membraan voor het scheiden van stoffen, en het vervaardigde membraan. |
| FR2286851A1 (fr) * | 1974-10-02 | 1976-04-30 | Inst Nat Rech Chimique | Membranes en polyacrylamide reticule ou en polyacrylamide substitue reticule, leur fabrication et leur application |
-
1974
- 1974-10-02 FR FR7433243A patent/FR2286850A1/fr active Granted
-
1975
- 1975-09-30 IT IT7551575A patent/IT1047642B/it active
- 1975-10-02 DE DE2544118A patent/DE2544118C2/de not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH387298A (fr) * | 1955-02-24 | 1965-01-31 | Pittsburgh Plate Glass Co | Procédé de préparation de copolymères de l'acrylamide modifiés |
| DE1595054A1 (de) * | 1964-08-11 | 1970-01-22 | Nippon Paint Co Ltd | Verfahren zur Herstellung von aus Loesungen filmbildenden,bei Raumtemperatur stabilen,hitzehaertbaren Mischpolymerisaten |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2438085A1 (fr) * | 1978-10-05 | 1980-04-30 | Nissan Motor | Procede de regeneration d'agents de coupe solubles dans l'eau et filtre pour sa mise en oeuvre |
| US4610887A (en) * | 1983-10-17 | 1986-09-09 | Institut National De Recherche Chimique Appliquee | Process for concentration of fermented juices by reversed osmosis |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2544118A1 (de) | 1976-04-08 |
| IT1047642B (it) | 1980-10-20 |
| FR2286850B1 (fr) | 1977-03-18 |
| DE2544118C2 (de) | 1982-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DL | Decision of the director general to leave to make available licences of right | ||
| ST | Notification of lapse |