IL23083A - שיטה להכנת קרומים המוליכים למחצה - Google Patents
שיטה להכנת קרומים המוליכים למחצהInfo
- Publication number
- IL23083A IL23083A IL23083A IL2308365A IL23083A IL 23083 A IL23083 A IL 23083A IL 23083 A IL23083 A IL 23083A IL 2308365 A IL2308365 A IL 2308365A IL 23083 A IL23083 A IL 23083A
- Authority
- IL
- Israel
- Prior art keywords
- stated
- membrane
- ethyl
- derivative
- solution
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 13
- 238000002360 preparation method Methods 0.000 title description 3
- 238000001704 evaporation Methods 0.000 claims description 11
- 150000001408 amides Chemical class 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 8
- 229920002678 cellulose Polymers 0.000 claims description 7
- 239000001913 cellulose Substances 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 229920002301 cellulose acetate Polymers 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 5
- 125000004432 carbon atom Chemical group C* 0.000 claims 3
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 238000009792 diffusion process Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 claims 1
- 125000004429 atom Chemical group 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229920006218 cellulose propionate Polymers 0.000 claims 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 241000448280 Elates Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000003857 carboxamides Chemical class 0.000 description 1
- PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 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
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35477564 US3344214A (en) | 1964-03-25 | 1964-03-25 | Methods of preparing a semipermeable membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL23083A true IL23083A (he) | 1968-09-26 |
Family
ID=23394856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL23083A IL23083A (he) | 1964-03-25 | 1965-03-01 | שיטה להכנת קרומים המוליכים למחצה |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3344214A (he) |
| DE (1) | DE1570163A1 (he) |
| FR (1) | FR1426548A (he) |
| GB (1) | GB1056636A (he) |
| IL (1) | IL23083A (he) |
| NL (1) | NL149520B (he) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3494780A (en) * | 1966-11-04 | 1970-02-10 | Dow Chemical Co | Method for enhancing permeability of separatory membranes |
| US4158683A (en) * | 1970-04-28 | 1979-06-19 | Del Campo Giovan B | Process for obtaining films and blocks of cellulose acetate particularly for rapid and preparative analytical electrophoresis and for immuno-techniques |
| US3718722A (en) * | 1970-09-17 | 1973-02-27 | Celanese Corp | A method of forming a porous cellulose acetate membrane |
| GB1396091A (en) * | 1971-02-18 | 1975-05-29 | Babcock & Wilcox Ltd | Semi-permeable membranes |
| US3789993A (en) * | 1972-01-06 | 1974-02-05 | Eastman Kodak Co | Cellulosic reverse osmosis membranes having high flux and high salt rejection |
| 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 |
| US4715952A (en) * | 1982-03-11 | 1987-12-29 | Casey Jr Walter P | Reverse osmosis water purification element and cartridge |
| US4874514A (en) * | 1983-12-30 | 1989-10-17 | Wetco Of Delaware, Inc. | Tubular element for reverse osmosis water pruification |
| US4917847A (en) * | 1987-07-17 | 1990-04-17 | Wetco Of Delaware, Inc. | Method of making a reverse osmosis element |
| US4844805A (en) * | 1987-07-17 | 1989-07-04 | Wetco Of Delaware, Inc. | Reverse osmosis element |
| EP0570826A1 (de) * | 1992-05-20 | 1993-11-24 | Akzo Nobel N.V. | Celluloseacetatmembranen |
| NO314575B1 (no) * | 2000-08-04 | 2003-04-14 | Statkraft Sf | Semipermeabel membran og fremgangsmate for tilveiebringelse av elektrisk kraft samt en anordning |
| US8562876B2 (en) | 2007-11-30 | 2013-10-22 | Baxter International Inc. | Multizone polymer membrane and dialyzer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB203713A (en) * | 1922-09-11 | 1924-10-02 | Jacques Duclaux | Improvements in and relating to membranes for ultra filtration and dialysis |
| US2926104A (en) * | 1955-06-27 | 1960-02-23 | Goetz Alexander | Method of making microporous filter film |
| DE1017596B (de) * | 1956-07-04 | 1957-10-17 | Membranfiltergesellschaft Sart | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Membranfiltern |
| NL271831A (he) * | 1960-11-29 |
-
1964
- 1964-03-25 US US35477564 patent/US3344214A/en not_active Expired - Lifetime
-
1965
- 1965-03-01 IL IL23083A patent/IL23083A/he unknown
- 1965-03-03 FR FR7837A patent/FR1426548A/fr not_active Expired
- 1965-03-18 DE DE1965R0040149 patent/DE1570163A1/de active Pending
- 1965-03-22 GB GB12029/65A patent/GB1056636A/en not_active Expired
- 1965-03-24 NL NL656503734A patent/NL149520B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US3344214A (en) | 1967-09-26 |
| NL6503734A (nl) | 1965-09-27 |
| FR1426548A (fr) | 1966-04-15 |
| GB1056636A (en) | 1967-01-25 |
| DE1570163A1 (de) | 1970-03-26 |
| NL149520B (nl) | 1976-05-17 |
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