DE2531159A1 - Semipermeable polymere membran und verfahren zu ihrer herstellung - Google Patents
Semipermeable polymere membran und verfahren zu ihrer herstellungInfo
- Publication number
- DE2531159A1 DE2531159A1 DE19752531159 DE2531159A DE2531159A1 DE 2531159 A1 DE2531159 A1 DE 2531159A1 DE 19752531159 DE19752531159 DE 19752531159 DE 2531159 A DE2531159 A DE 2531159A DE 2531159 A1 DE2531159 A1 DE 2531159A1
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- membrane
- groups
- solution
- poly
- 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.)
- Withdrawn
Links
- 239000012528 membrane Substances 0.000 title claims description 100
- 229920000642 polymer Polymers 0.000 title claims description 60
- 238000000034 method Methods 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 67
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 60
- 229920000110 poly(aryl ether sulfone) Polymers 0.000 claims description 52
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 38
- 239000002904 solvent Substances 0.000 claims description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- 238000005266 casting Methods 0.000 claims description 25
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 25
- 125000004970 halomethyl group Chemical group 0.000 claims description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 238000006467 substitution reaction Methods 0.000 claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 125000001424 substituent group Chemical group 0.000 claims description 9
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- 230000001112 coagulating effect Effects 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000005956 quaternization reaction Methods 0.000 claims description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- MPCRDALPQLDDFX-UHFFFAOYSA-L Magnesium perchlorate Chemical compound [Mg+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O MPCRDALPQLDDFX-UHFFFAOYSA-L 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 125000000962 organic group Chemical group 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 239000011592 zinc chloride Substances 0.000 claims description 2
- 235000005074 zinc chloride Nutrition 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 3
- 238000005345 coagulation Methods 0.000 claims 3
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims 1
- 239000000243 solution Substances 0.000 description 77
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 24
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 20
- 230000014759 maintenance of location Effects 0.000 description 17
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 16
- 239000012153 distilled water Substances 0.000 description 12
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 12
- 239000011787 zinc oxide Substances 0.000 description 12
- HRQGCQVOJVTVLU-UHFFFAOYSA-N bis(chloromethyl) ether Chemical compound ClCOCCl HRQGCQVOJVTVLU-UHFFFAOYSA-N 0.000 description 11
- 238000001704 evaporation Methods 0.000 description 11
- 230000008020 evaporation Effects 0.000 description 11
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 11
- 239000011780 sodium chloride Substances 0.000 description 10
- YQGOJNYOYNNSMM-UHFFFAOYSA-N eosin Chemical compound [Na+].OC(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C(O)=C(Br)C=C21 YQGOJNYOYNNSMM-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 7
- -1 ether sulfone Chemical class 0.000 description 7
- 238000001223 reverse osmosis Methods 0.000 description 7
- 229940077464 ammonium ion Drugs 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 125000001453 quaternary ammonium group Chemical group 0.000 description 6
- 238000000108 ultra-filtration Methods 0.000 description 6
- 239000005862 Whey Substances 0.000 description 4
- 108010046377 Whey Proteins Proteins 0.000 description 4
- 102000007544 Whey Proteins Human genes 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 235000013351 cheese Nutrition 0.000 description 3
- 150000002367 halogens Chemical group 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 239000002798 polar solvent Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 125000000542 sulfonic acid group Chemical group 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 208000029422 Hypernatremia Diseases 0.000 description 2
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000008101 lactose Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 229920005597 polymer membrane Polymers 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 1
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical compound CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 206010010774 Constipation Diseases 0.000 description 1
- 108010082495 Dietary Plant Proteins Proteins 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010028690 Fish Proteins Proteins 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 108010011756 Milk Proteins Proteins 0.000 description 1
- 241001274216 Naso Species 0.000 description 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 125000001118 alkylidene group Chemical group 0.000 description 1
- 238000005576 amination reaction Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000000732 arylene group Chemical group 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000002993 cycloalkylene group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 235000014103 egg white Nutrition 0.000 description 1
- 210000000969 egg white Anatomy 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 230000010874 maintenance of protein location Effects 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- 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
- B01D67/00111—Polymer pretreatment in the casting solutions
-
- 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
- B01D67/00113—Pretreatment of the casting solutions, e.g. thermal treatment or ageing
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/41—Polyphosphates of alkali metals
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/48—Polymers modified by chemical after-treatment
-
- 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
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/20—Polysulfones
- C08G75/23—Polyethersulfones
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49079417A JPS518179A (en) | 1974-07-11 | 1974-07-11 | Sentakutokaseikobunshimakuoyobisono seizoho |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2531159A1 true DE2531159A1 (de) | 1976-01-22 |
Family
ID=13689282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752531159 Withdrawn DE2531159A1 (de) | 1974-07-11 | 1975-07-11 | Semipermeable polymere membran und verfahren zu ihrer herstellung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4029582A (https=) |
| JP (1) | JPS518179A (https=) |
| DE (1) | DE2531159A1 (https=) |
| FR (1) | FR2277847A1 (https=) |
| GB (1) | GB1516203A (https=) |
| NL (1) | NL7508349A (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2829630A1 (de) * | 1977-07-08 | 1979-01-18 | Asahi Chemical Ind | Semipermeable membran und verfahren zu ihrer herstellung |
| EP0330187A3 (en) * | 1988-02-25 | 1990-10-31 | Asahi Glass Company Ltd. | Cation exchanger |
Families Citing this family (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2331602A1 (fr) * | 1975-11-14 | 1977-06-10 | Rhone Poulenc Ind | Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse |
| US4272467A (en) * | 1975-12-22 | 1981-06-09 | Exxon Research & Engineering Co. | Method for producing an essentially gas and liquid impermeable low density, closed-cell, microcellular polyparabanic acid article |
| JPS54145379A (en) * | 1978-05-02 | 1979-11-13 | Asahi Chem Ind Co Ltd | Aromatic polysulfone hollow fiber semipermeable membrane |
| DE3161345D1 (en) * | 1980-03-28 | 1983-12-15 | Pennwalt Corp | Method for preparing a membrane of a film-forming non-sulfonated sulfone polymer |
| IL64967A0 (en) * | 1981-03-17 | 1982-04-30 | Aligena Ag | Semipermeable membranes containing modified polysulfones,their manufacture and their use |
| JPS5824305A (ja) * | 1981-07-31 | 1983-02-14 | Daicel Chem Ind Ltd | ポリスルホン樹脂半透膜の製造法 |
| JPS5836617A (ja) * | 1981-08-26 | 1983-03-03 | Nitto Electric Ind Co Ltd | 気体分離膜の製造方法 |
| DE3271691D1 (en) * | 1981-12-21 | 1986-07-17 | Aligena Ag | Semipermeable membranes of modified polystyrene, process for their manufacture and their use |
| US4427419A (en) | 1982-03-12 | 1984-01-24 | The Standard Oil Company | Semipermeable membranes prepared from polymers containing pendent sulfone groups |
| US4521224A (en) * | 1982-03-12 | 1985-06-04 | The Standard Oil Company | Semipermeable membranes prepared from polymers containing pendent sulfone groups |
| JPS58164412A (ja) * | 1982-03-25 | 1983-09-29 | Nissan Motor Co Ltd | リ−フスプリング |
| US4484935A (en) * | 1983-06-30 | 1984-11-27 | Monsanto Company | Permeation modified membrane |
| US4472175A (en) * | 1983-06-30 | 1984-09-18 | Monsanto Company | Asymmetric gas separation membranes |
| US4666644A (en) * | 1983-11-03 | 1987-05-19 | Owens-Illinois, Inc. | Method of making asymmetrical layered structures from polyalkylene sulfone resins |
| DE3342824A1 (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 polysulfon-basis |
| US4527999A (en) * | 1984-03-23 | 1985-07-09 | Abcor, Inc. | Separation membrane and method of preparing and using same |
| US4636229A (en) * | 1984-03-26 | 1987-01-13 | Nippon Oil Company, Limited | Selective gas separation membrane |
| GB8428525D0 (en) * | 1984-11-12 | 1984-12-19 | Ici Plc | Membranes |
| US4681605A (en) | 1985-06-27 | 1987-07-21 | A/G Technology Corporation | Anisotropic membranes for gas separation |
| US4699634A (en) * | 1985-07-08 | 1987-10-13 | The Standard Oil Company | Process for the modification of aromatic polymers via phase transfer catalysis to produce polyarylene polymers and the use thereof |
| JPS6242704A (ja) * | 1985-08-16 | 1987-02-24 | Ajinomoto Co Inc | 荷電型限外濾過膜及びその製造方法 |
| GB2189168B (en) | 1986-04-21 | 1989-11-29 | Aligena Ag | Composite membranes useful in the separation of low molecular weight organic compounds from aqueous solutions containing inorganic salts |
| US4717395A (en) * | 1986-08-07 | 1988-01-05 | The Dow Chemical Company | Gas separations using membranes comprising sulphonated polyether sulphone |
| ES2052605T3 (es) * | 1986-08-15 | 1994-07-16 | Permea Inc | Membranas asimetricas de separacion de gas que tienen peliculas de densidad graduada. |
| US4728346A (en) * | 1986-08-15 | 1988-03-01 | Permea Inc. | Permeation modified asymmetric gas separation membranes having graded density skins |
| JPH01215306A (ja) * | 1988-02-23 | 1989-08-29 | Sumitomo Bakelite Co Ltd | 荷電型分離膜とその製造方法 |
| US5180750A (en) * | 1988-07-29 | 1993-01-19 | Asahi Glass Company Ltd. | Anion exchanger |
| US4970034A (en) * | 1988-09-23 | 1990-11-13 | W. R. Grace & Co.-Conn. | Process for preparing isotropic microporous polysulfone membranes |
| US5024765A (en) * | 1989-10-02 | 1991-06-18 | Aligena Ag | Composite membranes and processes using them |
| US5009678A (en) * | 1989-10-31 | 1991-04-23 | Union Carbide Industrial Gases Technology Corporation | Process for recovery of ammonia from an ammonia-containing gas mixture |
| US5067971A (en) * | 1990-02-12 | 1991-11-26 | Union Carbide Industrial Gases Technology Corporation | Process for dehydration of gases and composite permeable membranes therefor |
| GB2250469B (en) | 1990-12-03 | 1995-03-22 | Aligena Ag | Charged asymmetric mosaic membranes |
| US5096585A (en) * | 1991-01-28 | 1992-03-17 | W. R. Grace & Co.-Conn. | Process for preparing protein non-adsorptive microporous polysulfone membranes |
| US5151227A (en) * | 1991-03-18 | 1992-09-29 | W. R. Grace & Co.-Conn. | Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium |
| US5205934A (en) * | 1991-08-30 | 1993-04-27 | Membrane Products Kiryat Weitzman Ltd. | Silicone-derived solvent stable membranes |
| US5265734A (en) * | 1991-08-30 | 1993-11-30 | Membrane Products Kiryat Weitzman Ltd. | Silicon-derived solvent stable membranes |
| US5151182A (en) * | 1991-08-30 | 1992-09-29 | Membrane Products Kiryat Weizmann Ltd. | Polyphenylene oxide-derived membranes for separation in organic solvents |
| KR0140659B1 (ko) * | 1992-10-28 | 1998-07-01 | 나카하라 쓰네오 | 아실아미도메틸화 폴리설폰 및 이의 제조방법 |
| US5811224A (en) * | 1994-08-24 | 1998-09-22 | Bayer Corporation | Process for rejuvenating developer in printing plate development |
| DE19622337C1 (de) * | 1996-06-04 | 1998-03-12 | Dlr Deutsche Forschungsanstalt | Vernetzung von modifizierten Engineering Thermoplasten |
| DE19836514A1 (de) * | 1998-08-12 | 2000-02-17 | Univ Stuttgart | Modifikation von Engineeringpolymeren mit N-basischen Gruppe und mit Ionenaustauschergruppen in der Seitenkette |
| EP1112301B1 (en) * | 1998-09-11 | 2006-09-06 | Victrex Manufacturing Limited | Ion-exchange polymers |
| US6579342B2 (en) | 2001-02-07 | 2003-06-17 | Pall Corporation | Oleophobic membrane materials by oligomer polymerization for filter venting applications |
| WO2007007343A2 (en) * | 2005-07-14 | 2007-01-18 | Ben Gurion University Of The Negev Research And Development Authority | Composite membranes and methods for their preparation |
| WO2007135689A2 (en) | 2006-05-24 | 2007-11-29 | Ben Gurion University Of The Negev R&D Authority | Membranes, coatings and films and methods for their preparation |
| GB0709228D0 (en) | 2007-05-14 | 2007-06-20 | Katholieke Universltelt Leuven | Cross-linked polyimide membranes |
| BRPI0819048C8 (pt) * | 2007-12-06 | 2018-08-07 | 3M Innovative Properties Co | "meio filtrante de eletreto e método de preparo de uma manta de eletreto" |
| EP2294257B1 (en) * | 2008-06-02 | 2014-01-22 | 3M Innovative Properties Company | Electret webs with charge-enhancing additives |
| BRPI0909855A2 (pt) * | 2008-06-02 | 2015-10-06 | 3M Innovative Properties Co | "aditivos acentuadores de carga para eletretos" |
| US7765698B2 (en) * | 2008-06-02 | 2010-08-03 | 3M Innovative Properties Company | Method of making electret articles based on zeta potential |
| EP2398578A1 (en) | 2009-02-19 | 2011-12-28 | Ben-Gurion University Of The Negev Research And Development Authority | Chemically resistant membranes, coatings and films and methods for their preparation |
| WO2010111755A2 (en) | 2009-04-01 | 2010-10-07 | Katholieke Universiteit Leuven - K.U.Leuven R & D | Improved method for making cross-linked polyimide membranes |
| DE202009016240U1 (de) | 2009-11-27 | 2010-04-29 | Weihmann, Andreas, Dipl.-Designer | Wassergewinnungssystemtechnologie |
| CN101862608B (zh) * | 2010-05-11 | 2012-12-26 | 武汉大学 | 一种自交联聚合物阴离子交换膜的制备方法 |
| US9457318B2 (en) | 2010-12-12 | 2016-10-04 | Ben-Gurion University Of The Negev Research And Development Authority | Anion exchange membranes, methods of preparation and uses |
| DE102011079778A1 (de) | 2011-07-26 | 2013-01-31 | Universität Duisburg-Essen | Membran umfassend mindestens ein photochemisch vernetztes Polyimid |
| GB201403432D0 (en) | 2014-02-27 | 2014-04-16 | Univ Leuven Kath | Improved method for synthesis of composite membranes |
| GB201419605D0 (en) | 2014-11-04 | 2014-12-17 | Univ Leuven Kath | Improved method for synthesis of polyamide composite membranes |
| GB201509794D0 (en) | 2015-06-05 | 2015-07-22 | Univ Leuven Kath | Method for preparing an assymetric membrane |
| WO2021219692A1 (en) | 2020-04-28 | 2021-11-04 | Katholieke Universiteit Leuven | Thin-film composite membranes synthesized by multi-step coating methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1595709A1 (de) * | 1966-12-21 | 1970-04-09 | Bayer Ag | Verfahren zur Herstellung von Polyarylendisulfimidsulfonen |
| US3592953A (en) * | 1967-10-02 | 1971-07-13 | Gen Electric | Preparation of high flow cellulose derivative reverse osmosis membrane |
| US3556305A (en) * | 1968-03-28 | 1971-01-19 | Amicon Corp | Composite membrane and process for making same |
| US3615024A (en) * | 1968-08-26 | 1971-10-26 | Amicon Corp | High flow membrane |
| US3576912A (en) * | 1968-09-26 | 1971-04-27 | Shell Oil Co | Halogenated and quaternized block polymers |
| US3528858A (en) * | 1968-12-04 | 1970-09-15 | Gen Electric | Sulfonated aryl-substituted polyphenylene ether ion exchange membranes |
| FR2040950A5 (https=) * | 1969-04-30 | 1971-01-22 | Rhone Poulenc Sa | |
| FR2138333B1 (https=) * | 1971-05-24 | 1974-03-08 | Rhone Poulenc Sa |
-
1974
- 1974-07-11 JP JP49079417A patent/JPS518179A/ja active Granted
-
1975
- 1975-07-07 US US05/593,227 patent/US4029582A/en not_active Expired - Lifetime
- 1975-07-10 GB GB29006/75A patent/GB1516203A/en not_active Expired
- 1975-07-11 FR FR7521917A patent/FR2277847A1/fr active Granted
- 1975-07-11 NL NL7508349A patent/NL7508349A/xx not_active Application Discontinuation
- 1975-07-11 DE DE19752531159 patent/DE2531159A1/de not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2829630A1 (de) * | 1977-07-08 | 1979-01-18 | Asahi Chemical Ind | Semipermeable membran und verfahren zu ihrer herstellung |
| EP0330187A3 (en) * | 1988-02-25 | 1990-10-31 | Asahi Glass Company Ltd. | Cation exchanger |
| US5128378A (en) * | 1988-02-25 | 1992-07-07 | Asahi Glass Company Ltd. | Cation exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7508349A (https=) | 1976-01-13 |
| US4029582A (en) | 1977-06-14 |
| GB1516203A (en) | 1978-06-28 |
| JPS518179A (en) | 1976-01-22 |
| FR2277847A1 (fr) | 1976-02-06 |
| JPS5739805B2 (https=) | 1982-08-24 |
| FR2277847B1 (https=) | 1979-02-02 |
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