JPH0141653B2 - - Google Patents
Info
- Publication number
- JPH0141653B2 JPH0141653B2 JP17958880A JP17958880A JPH0141653B2 JP H0141653 B2 JPH0141653 B2 JP H0141653B2 JP 17958880 A JP17958880 A JP 17958880A JP 17958880 A JP17958880 A JP 17958880A JP H0141653 B2 JPH0141653 B2 JP H0141653B2
- Authority
- JP
- Japan
- Prior art keywords
- porous
- microporous
- pore
- asymmetric membrane
- layers
- 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
- 239000011148 porous material Substances 0.000 claims description 38
- 239000012528 membrane Substances 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005992 thermoplastic resin Polymers 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 description 13
- 239000010410 layer Substances 0.000 description 10
- 239000012229 microporous material Substances 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 239000004801 Chlorinated PVC Substances 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17958880A JPS57102336A (en) | 1980-12-17 | 1980-12-17 | Manufacture of asymmetric film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17958880A JPS57102336A (en) | 1980-12-17 | 1980-12-17 | Manufacture of asymmetric film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57102336A JPS57102336A (en) | 1982-06-25 |
| JPH0141653B2 true JPH0141653B2 (de) | 1989-09-06 |
Family
ID=16068349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17958880A Granted JPS57102336A (en) | 1980-12-17 | 1980-12-17 | Manufacture of asymmetric film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57102336A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04212927A (ja) * | 1990-12-06 | 1992-08-04 | Dainippon Ink & Chem Inc | 液晶デバイス及びその製造方法 |
-
1980
- 1980-12-17 JP JP17958880A patent/JPS57102336A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57102336A (en) | 1982-06-25 |
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