IL24367A - Permselectve membranes and process of making same - Google Patents
Permselectve membranes and process of making sameInfo
- Publication number
- IL24367A IL24367A IL24367A IL2436765A IL24367A IL 24367 A IL24367 A IL 24367A IL 24367 A IL24367 A IL 24367A IL 2436765 A IL2436765 A IL 2436765A IL 24367 A IL24367 A IL 24367A
- Authority
- IL
- Israel
- Prior art keywords
- ester
- sheet
- process according
- membranes
- cellulose
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 14
- 230000002378 acidificating effect Effects 0.000 claims abstract description 11
- 150000002148 esters Chemical class 0.000 claims abstract description 11
- -1 anthranoyl ester Chemical class 0.000 claims abstract description 7
- 229920002678 cellulose Polymers 0.000 claims abstract description 7
- 239000001913 cellulose Substances 0.000 claims abstract description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims abstract 2
- 230000003993 interaction Effects 0.000 claims abstract 2
- 150000001875 compounds Chemical class 0.000 claims description 9
- 125000000524 functional group Chemical group 0.000 claims description 9
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 claims 2
- VYFOAVADNIHPTR-UHFFFAOYSA-N isatoic anhydride Chemical compound NC1=CC=CC=C1CO VYFOAVADNIHPTR-UHFFFAOYSA-N 0.000 claims 2
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical class C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 claims 1
- 239000007822 coupling agent Substances 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 abstract description 4
- TXJUTRJFNRYTHH-UHFFFAOYSA-N 1h-3,1-benzoxazine-2,4-dione Chemical compound C1=CC=C2C(=O)OC(=O)NC2=C1 TXJUTRJFNRYTHH-UHFFFAOYSA-N 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 229920002301 cellulose acetate Polymers 0.000 abstract description 2
- 150000002391 heterocyclic compounds Chemical class 0.000 abstract description 2
- 239000001294 propane Substances 0.000 abstract description 2
- 239000004627 regenerated cellulose Substances 0.000 abstract description 2
- 238000006266 etherification reaction Methods 0.000 abstract 2
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 abstract 1
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 abstract 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical group OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 13
- 229920000298 Cellophane Polymers 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 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 4
- 239000000463 material Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 150000001412 amines Chemical group 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011088 parchment paper Substances 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium group Chemical group [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- GVBHCMNXRKOJRH-UHFFFAOYSA-N 2,4,5,6-tetrachloropyrimidine Chemical compound ClC1=NC(Cl)=C(Cl)C(Cl)=N1 GVBHCMNXRKOJRH-UHFFFAOYSA-N 0.000 description 1
- IHDBZCJYSHDCKF-UHFFFAOYSA-N 4,6-dichlorotriazine Chemical class ClC1=CC(Cl)=NN=N1 IHDBZCJYSHDCKF-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229940126214 compound 3 Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- UPUZGXILYFKSGE-UHFFFAOYSA-N quinoxaline-2-carboxylic acid Chemical class C1=CC=CC2=NC(C(=O)O)=CN=C21 UPUZGXILYFKSGE-UHFFFAOYSA-N 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2212—Natural macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL24367A IL24367A (en) | 1965-09-24 | 1965-09-24 | Permselectve membranes and process of making same |
| NL6613314A NL6613314A (fr) | 1965-09-24 | 1966-09-21 | |
| DE19661593556 DE1593556A1 (de) | 1965-09-24 | 1966-09-21 | Permselektive Membranen und Verfahren zu deren Herstellung |
| GB42490/66A GB1161513A (en) | 1965-09-24 | 1966-09-23 | Permselective Membranes and Process for Making same |
| FR77395A FR1514129A (fr) | 1965-09-24 | 1966-09-23 | Membranes sélectivement perméables et procédé pour leur préparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL24367A IL24367A (en) | 1965-09-24 | 1965-09-24 | Permselectve membranes and process of making same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL24367A true IL24367A (en) | 1969-07-30 |
Family
ID=11043724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL24367A IL24367A (en) | 1965-09-24 | 1965-09-24 | Permselectve membranes and process of making same |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE1593556A1 (fr) |
| FR (1) | FR1514129A (fr) |
| GB (1) | GB1161513A (fr) |
| IL (1) | IL24367A (fr) |
| NL (1) | NL6613314A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3066996D1 (en) * | 1979-09-19 | 1984-04-19 | Aligena Ag | Porous semipermeable cellulose acetate membranes modified by ionic groups, process for their production and their use |
| CN117717916A (zh) * | 2024-01-04 | 2024-03-19 | 阿克菲姆膜材(嘉兴)有限公司 | 一种以疏水微孔膜为支撑膜的中空纤维纳滤膜的制备方法及其用途 |
-
1965
- 1965-09-24 IL IL24367A patent/IL24367A/en unknown
-
1966
- 1966-09-21 NL NL6613314A patent/NL6613314A/ unknown
- 1966-09-21 DE DE19661593556 patent/DE1593556A1/de active Pending
- 1966-09-23 FR FR77395A patent/FR1514129A/fr not_active Expired
- 1966-09-23 GB GB42490/66A patent/GB1161513A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6613314A (fr) | 1967-03-28 |
| GB1161513A (en) | 1969-08-13 |
| DE1593556A1 (de) | 1970-12-03 |
| FR1514129A (fr) | 1968-02-23 |
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