FR2466265A1 - - Google Patents
Download PDFInfo
- Publication number
- FR2466265A1 FR2466265A1 FR7924065A FR7924065A FR2466265A1 FR 2466265 A1 FR2466265 A1 FR 2466265A1 FR 7924065 A FR7924065 A FR 7924065A FR 7924065 A FR7924065 A FR 7924065A FR 2466265 A1 FR2466265 A1 FR 2466265A1
- Authority
- FR
- France
- Prior art keywords
- membrane
- solution
- modified
- water
- membrane according
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims abstract description 67
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229920001577 copolymer Polymers 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000003495 polar organic solvent Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000002798 polar solvent Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 125000003158 alcohol group Chemical group 0.000 claims 1
- 229920002239 polyacrylonitrile Polymers 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract description 10
- 229920002689 polyvinyl acetate Polymers 0.000 abstract description 7
- 239000011118 polyvinyl acetate Substances 0.000 abstract description 7
- 238000001223 reverse osmosis Methods 0.000 abstract description 3
- 239000013535 sea water Substances 0.000 abstract description 2
- 238000010612 desalination reaction Methods 0.000 abstract 1
- 238000001029 thermal curing Methods 0.000 abstract 1
- 229920003176 water-insoluble polymer Polymers 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 description 17
- 230000014759 maintenance of location Effects 0.000 description 8
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 4
- 150000001735 carboxylic acids Chemical class 0.000 description 4
- 208000029422 Hypernatremia Diseases 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 239000001124 (E)-prop-1-ene-1,2,3-tricarboxylic acid Substances 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229940091181 aconitic acid Drugs 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- GTZCVFVGUGFEME-IWQZZHSRSA-N cis-aconitic acid Chemical compound OC(=O)C\C(C(O)=O)=C\C(O)=O GTZCVFVGUGFEME-IWQZZHSRSA-N 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- -1 for example Chemical class 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7809835A NL7809835A (nl) | 1978-09-28 | 1978-09-28 | Gemodificeerd membraan voor membraanfiltratie. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2466265A1 true FR2466265A1 (cg-RX-API-DMAC10.html) | 1981-04-10 |
Family
ID=19831623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7924065A Pending FR2466265A1 (cg-RX-API-DMAC10.html) | 1978-09-28 | 1979-09-27 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5592104A (cg-RX-API-DMAC10.html) |
| BE (1) | BE879067A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2939071A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2466265A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB2035133A (cg-RX-API-DMAC10.html) |
| NL (1) | NL7809835A (cg-RX-API-DMAC10.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3043073C2 (de) * | 1980-11-14 | 1984-07-05 | Fresenius AG, 6380 Bad Homburg | Filtrationsmembran und Verfahren zur Hydrophilierung |
| JPS5858104A (ja) * | 1981-09-30 | 1983-04-06 | Kuraray Co Ltd | 混合液分離膜 |
| WO1985001222A1 (en) * | 1983-09-12 | 1985-03-28 | Memtec Limited | Treatment of porous membranes |
| JPS61500305A (ja) * | 1983-11-07 | 1986-02-27 | メムテツク リミテツド | 油エマルジョンの分離 |
| US4794002A (en) * | 1985-11-01 | 1988-12-27 | Monsanto Company | Modified polymeric surfaces and process for preparing same |
| EP0266683B1 (en) * | 1986-10-29 | 1993-07-21 | ASAHI MEDICAL Co., Ltd. | A blood components collector unit |
| DE3707054A1 (de) * | 1987-03-05 | 1988-09-15 | Akzo Gmbh | Verfahren zum herstellen einer zweischichtmembran |
| US6688477B2 (en) * | 2001-05-03 | 2004-02-10 | Air Products And Chemicals, Inc. | Composite membranes |
| CA2719356C (en) * | 2008-03-31 | 2020-04-07 | Toray Industries, Inc. | Polymeric separation membrane for blood purification |
| GB201104337D0 (en) | 2011-03-15 | 2011-04-27 | Glaxo Group Ltd | Novel device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR7410080A (pt) * | 1973-12-04 | 1976-06-08 | Rhone Poulenc Sa | Membranas compositas semi-permeaveis e processo para a sua preparacao |
| JPS5313431A (en) * | 1976-07-23 | 1978-02-07 | Ricoh Co Ltd | Cleaning roller for fixing roller |
| JPS53149874A (en) * | 1977-06-03 | 1978-12-27 | Nippon Shokubai Kagaku Kogyo Co Ltd | Production of compound semipermeable membrane |
-
1978
- 1978-09-28 NL NL7809835A patent/NL7809835A/nl not_active Application Discontinuation
-
1979
- 1979-09-27 GB GB7933477A patent/GB2035133A/en not_active Withdrawn
- 1979-09-27 FR FR7924065A patent/FR2466265A1/fr active Pending
- 1979-09-27 DE DE19792939071 patent/DE2939071A1/de not_active Withdrawn
- 1979-09-28 BE BE0/197372A patent/BE879067A/fr unknown
- 1979-09-28 JP JP12424279A patent/JPS5592104A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7809835A (nl) | 1980-04-01 |
| GB2035133A (en) | 1980-06-18 |
| JPS5592104A (en) | 1980-07-12 |
| DE2939071A1 (de) | 1980-04-03 |
| BE879067A (fr) | 1980-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2466265A1 (cg-RX-API-DMAC10.html) | ||
| FR2487213A1 (fr) | Membrane semi-permeable composite et son procede de preparation | |
| EP0511900A1 (fr) | Membrane composite de nanofiltration | |
| CA1060285A (en) | Method of treating semipermeable membranes | |
| FR2668077A1 (fr) | Membrane d'osmose inverse ou de nanofiltration et son procede de fabrication. | |
| EP0746406A1 (fr) | Procede pour modifier en surface une membrane polymere, membrane ainsi modifiee | |
| EP0298875A1 (fr) | Procédé pour extraire sélectivement les métallo-protéines du lactoserum par adsorption et élution | |
| JPH0825539A (ja) | 複合半透膜の製造方法 | |
| CA1142881A (fr) | Procede de preparation de polymeres ou copolymeres acryliques hydrosolubles a poids moleculaire eleve et a faible teneur en monomere (s) residuel(s) | |
| EP0708847B1 (fr) | Procede de metalisation de substrats non-conducteurs | |
| FR2818267A1 (fr) | Procede d'appauvrissement en cations monovalents d'une eau destinee a l'alimentation | |
| JP2006122887A (ja) | 複合半透膜及びその製造方法 | |
| JPH07504606A (ja) | 薄手フィルム複合限外濾過膜 | |
| FR2708210A1 (fr) | Procédé de traitement d'un milieu poreux obstrué. | |
| EP0014011B1 (fr) | Procédé pour la fabrication d'acides aldoniques par voie enzymatique | |
| FR2480314A1 (fr) | Procede de depot par electropolymerisation de films minces organiques sur des surfaces conductrices de l'electricite en particulier sur des surfaces metalliques, et films minces ainsi obtenus | |
| CH647558A5 (fr) | Procede de depot electrolytique de chrome. | |
| FR2464094A1 (fr) | Procede de traitement d'une dispersion aqueuse de microcapsules pour en eliminer le formaldehyde residuel | |
| KR20100021797A (ko) | 역삼투 분리막의 제조방법 및 그로부터 제조된 보론 제거능이 우수한 역삼투 분리막 | |
| EP0536021B1 (fr) | Récupération des solvants polaires aprotiques à partir de leurs solutions aqueuses salines | |
| CA2384409A1 (fr) | Dispositif et procede de traitement de lisier | |
| EP0491640A1 (fr) | Procédé de séparation des composés de silicium contenus dans un bain de décapage chlorhydrique de pièces notamment des tôles d'acier | |
| FR2762616A1 (fr) | Procede de fabrication d'un hydrolysat d'amidon a haute teneur en dextrose | |
| WO2020008152A1 (fr) | Fibres polymeres creuses en tant que membranes de filtration | |
| CN114225712B (zh) | 一种海水淡化膜及其制备方法 |