JPH041015B2 - - Google Patents
Info
- Publication number
- JPH041015B2 JPH041015B2 JP7389183A JP7389183A JPH041015B2 JP H041015 B2 JPH041015 B2 JP H041015B2 JP 7389183 A JP7389183 A JP 7389183A JP 7389183 A JP7389183 A JP 7389183A JP H041015 B2 JPH041015 B2 JP H041015B2
- Authority
- JP
- Japan
- Prior art keywords
- cellulose
- weight
- organic solvent
- water
- solution
- 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 121
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 87
- 229920002678 cellulose Polymers 0.000 claims description 77
- 239000001913 cellulose Substances 0.000 claims description 77
- 239000003960 organic solvent Substances 0.000 claims description 72
- 239000011148 porous material Substances 0.000 claims description 66
- 238000000926 separation method Methods 0.000 claims description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 49
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 44
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 38
- 239000011259 mixed solution Substances 0.000 claims description 38
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 claims description 32
- 239000000243 solution Substances 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 23
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 21
- 238000005266 casting Methods 0.000 claims description 21
- 238000005345 coagulation Methods 0.000 claims description 20
- 230000015271 coagulation Effects 0.000 claims description 20
- 229910021529 ammonia Inorganic materials 0.000 claims description 18
- 239000004627 regenerated cellulose Substances 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 230000008929 regeneration Effects 0.000 claims description 6
- 238000011069 regeneration method Methods 0.000 claims description 6
- 230000001112 coagulating effect Effects 0.000 claims description 5
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 238000005191 phase separation Methods 0.000 claims 3
- 239000010408 film Substances 0.000 description 45
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 28
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 12
- 239000011521 glass Substances 0.000 description 11
- 230000007423 decrease Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 229920006395 saturated elastomer Polymers 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005315 distribution function Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000009826 distribution 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
- 238000007654 immersion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- GHQPBDDZGPAVJP-UHFFFAOYSA-N azanium;methanol;hydroxide Chemical compound N.O.OC GHQPBDDZGPAVJP-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000003977 dairy farming Methods 0.000 description 1
- 238000004031 devitrification 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
- 238000002386 leaching Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000011160 research Methods 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
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7389183A JPS59199728A (ja) | 1983-04-28 | 1983-04-28 | 再生セルロ−ス大孔径膜の製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7389183A JPS59199728A (ja) | 1983-04-28 | 1983-04-28 | 再生セルロ−ス大孔径膜の製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59199728A JPS59199728A (ja) | 1984-11-12 |
| JPH041015B2 true JPH041015B2 (enrdf_load_stackoverflow) | 1992-01-09 |
Family
ID=13531278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7389183A Granted JPS59199728A (ja) | 1983-04-28 | 1983-04-28 | 再生セルロ−ス大孔径膜の製法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59199728A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6188493A (ja) * | 1984-09-25 | 1986-05-06 | 日本メクトロン株式会社 | 発光体の製造法 |
| JPS61274707A (ja) * | 1985-05-31 | 1986-12-04 | Asahi Chem Ind Co Ltd | 微生物分離用再生セルロ−ス多孔膜 |
| JP4803341B2 (ja) * | 2004-08-20 | 2011-10-26 | 征一 真鍋 | 平膜孔拡散分離機 |
| TW200932813A (en) * | 2007-11-05 | 2009-08-01 | Asahi Kasei Fibers Corp | Cellulose porous membrane |
-
1983
- 1983-04-28 JP JP7389183A patent/JPS59199728A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59199728A (ja) | 1984-11-12 |
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