GB1264670A - - Google Patents
Info
- Publication number
- GB1264670A GB1264670A GB1973669A GB1264670DA GB1264670A GB 1264670 A GB1264670 A GB 1264670A GB 1973669 A GB1973669 A GB 1973669A GB 1264670D A GB1264670D A GB 1264670DA GB 1264670 A GB1264670 A GB 1264670A
- Authority
- GB
- United Kingdom
- Prior art keywords
- membrane
- plasticizer
- polyol
- sulphone
- dimethyl
- 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.)
- Expired
Links
- 239000012528 membrane Substances 0.000 abstract 7
- 239000004014 plasticizer Substances 0.000 abstract 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 4
- 229920005862 polyol Polymers 0.000 abstract 4
- 150000003077 polyols Chemical class 0.000 abstract 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 abstract 3
- 229920002678 cellulose Polymers 0.000 abstract 3
- 238000002386 leaching Methods 0.000 abstract 3
- 239000002904 solvent Substances 0.000 abstract 3
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 abstract 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 abstract 2
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 abstract 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 abstract 2
- 239000002202 Polyethylene glycol Substances 0.000 abstract 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Substances OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229920001223 polyethylene glycol Polymers 0.000 abstract 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 abstract 2
- JXPDNDHCMMOJPC-UHFFFAOYSA-N 2-hydroxybutanedinitrile Chemical compound N#CC(O)CC#N JXPDNDHCMMOJPC-UHFFFAOYSA-N 0.000 abstract 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 abstract 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 abstract 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 abstract 1
- 229930188620 butyrolactone Natural products 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 abstract 1
- 229960001760 dimethyl sulfoxide Drugs 0.000 abstract 1
- 229940113088 dimethylacetamide Drugs 0.000 abstract 1
- 229960001826 dimethylphthalate Drugs 0.000 abstract 1
- 235000011187 glycerol Nutrition 0.000 abstract 1
- 239000001087 glyceryl triacetate Substances 0.000 abstract 1
- 235000013773 glyceryl triacetate Nutrition 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229920000151 polyglycol Polymers 0.000 abstract 1
- 239000010695 polyglycol Substances 0.000 abstract 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229960002622 triacetin Drugs 0.000 abstract 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- 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
-
- 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
- B01D71/14—Esters of organic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/15—Use of additives
- B01D2323/20—Plasticizers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1973669 | 1969-04-17 | ||
| DE1923187A DE1923187C2 (de) | 1969-04-17 | 1969-05-07 | Verfahren zur Herstellung von Trennmembranen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1264670A true GB1264670A (enExample) | 1972-02-23 |
Family
ID=25757368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1973669A Expired GB1264670A (enExample) | 1969-04-17 | 1969-04-17 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1923187C2 (enExample) |
| GB (1) | GB1264670A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984004256A1 (en) * | 1983-04-20 | 1984-11-08 | Limit Instant Ltd | Treatment of membranes |
| EP0376069A3 (en) * | 1988-12-20 | 1990-10-24 | Akzo N.V. | Biocompatible dialysis membrane consisting of a mixed polysaccharide ester |
| EP0487779A1 (en) * | 1989-01-27 | 1992-06-03 | The Dow Chemical Company | Compositions useful for preparing cellulose ester membranes for liquid separations |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3792135A (en) * | 1972-01-06 | 1974-02-12 | Eastman Kodak Co | Process for manufacturing cellulosic reverse osmosis membranes using a very high temperature initial aqueous quench |
-
1969
- 1969-04-17 GB GB1973669A patent/GB1264670A/en not_active Expired
- 1969-05-07 DE DE1923187A patent/DE1923187C2/de not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984004256A1 (en) * | 1983-04-20 | 1984-11-08 | Limit Instant Ltd | Treatment of membranes |
| EP0376069A3 (en) * | 1988-12-20 | 1990-10-24 | Akzo N.V. | Biocompatible dialysis membrane consisting of a mixed polysaccharide ester |
| EP0487779A1 (en) * | 1989-01-27 | 1992-06-03 | The Dow Chemical Company | Compositions useful for preparing cellulose ester membranes for liquid separations |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1923187A1 (de) | 1970-11-19 |
| DE1923187C2 (de) | 1982-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |