JPS6244019B2 - - Google Patents
Info
- Publication number
- JPS6244019B2 JPS6244019B2 JP56187795A JP18779581A JPS6244019B2 JP S6244019 B2 JPS6244019 B2 JP S6244019B2 JP 56187795 A JP56187795 A JP 56187795A JP 18779581 A JP18779581 A JP 18779581A JP S6244019 B2 JPS6244019 B2 JP S6244019B2
- Authority
- JP
- Japan
- Prior art keywords
- organic solvent
- porous membrane
- cellulose
- ammonia solution
- weight
- 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 claims description 66
- 229920002678 cellulose Polymers 0.000 claims description 27
- 239000001913 cellulose Substances 0.000 claims description 27
- 239000003960 organic solvent Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 22
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 18
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 17
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 16
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 claims description 15
- 239000004627 regenerated cellulose Substances 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 11
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 description 29
- 239000000243 solution Substances 0.000 description 16
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 7
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000001878 scanning electron micrograph Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 229920000875 Dissolving pulp Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005315 distribution function Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000003977 dairy farming Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Moulding By Coating Moulds (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56187795A JPS5889625A (ja) | 1981-11-25 | 1981-11-25 | 強靭な再生セルロ−ス多孔膜の製造方法 |
| US06/443,074 US4581140A (en) | 1981-11-25 | 1982-11-19 | Porous regenerated cellulose membrane and process for the preparation thereof |
| DE8282110793T DE3267317D1 (en) | 1981-11-25 | 1982-11-23 | Porous regenerated cellulose membrane and process for the preparation thereof |
| EP82110793A EP0080206B1 (en) | 1981-11-25 | 1982-11-23 | Porous regenerated cellulose membrane and process for the preparation thereof |
| CA000416225A CA1216110A (en) | 1981-11-25 | 1982-11-24 | Porous regenerated cellulose membrane and process for the preparation thereof |
| DK523282A DK158707C (da) | 1981-11-25 | 1982-11-24 | Poroes membran af regenereret cellulose og fremgangsmaade til fremstilling deraf |
| KR8205319A KR880000511B1 (ko) | 1981-11-25 | 1982-11-25 | 다공성 재생 셀룰로오스 막 및 그 제조 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56187795A JPS5889625A (ja) | 1981-11-25 | 1981-11-25 | 強靭な再生セルロ−ス多孔膜の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5889625A JPS5889625A (ja) | 1983-05-28 |
| JPS6244019B2 true JPS6244019B2 (enrdf_load_stackoverflow) | 1987-09-17 |
Family
ID=16212354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56187795A Granted JPS5889625A (ja) | 1981-11-25 | 1981-11-25 | 強靭な再生セルロ−ス多孔膜の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5889625A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4803341B2 (ja) * | 2004-08-20 | 2011-10-26 | 征一 真鍋 | 平膜孔拡散分離機 |
-
1981
- 1981-11-25 JP JP56187795A patent/JPS5889625A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5889625A (ja) | 1983-05-28 |
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