JPS6434408A - Porous membrane of polytetrafluoroethylene-base resin and production thereof - Google Patents
Porous membrane of polytetrafluoroethylene-base resin and production thereofInfo
- Publication number
- JPS6434408A JPS6434408A JP19332387A JP19332387A JPS6434408A JP S6434408 A JPS6434408 A JP S6434408A JP 19332387 A JP19332387 A JP 19332387A JP 19332387 A JP19332387 A JP 19332387A JP S6434408 A JPS6434408 A JP S6434408A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- pore diameter
- average pore
- liquid
- pores
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title abstract 8
- 239000011347 resin Substances 0.000 title abstract 2
- 229920005989 resin Polymers 0.000 title abstract 2
- 239000011148 porous material Substances 0.000 abstract 9
- 239000007788 liquid Substances 0.000 abstract 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 2
- 230000000996 additive effect Effects 0.000 abstract 2
- 230000001112 coagulating effect Effects 0.000 abstract 2
- 239000000835 fiber Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 abstract 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- -1 polytetrafluoroethylene Polymers 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 235000010413 sodium alginate Nutrition 0.000 abstract 1
- 239000000661 sodium alginate Substances 0.000 abstract 1
- 229940005550 sodium alginate Drugs 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19332387A JPS6434408A (en) | 1987-07-30 | 1987-07-30 | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
| PCT/JP1988/000755 WO1989000879A1 (en) | 1987-07-30 | 1988-07-28 | Porous polymetrafluoroethylene membrane, separating apparatus using same, and process for their production |
| EP88906883A EP0343247B1 (en) | 1987-07-30 | 1988-07-28 | Porous polytetrafluoroethylene membrane, separating apparatus using same, and process for their production |
| DE8888906883T DE3878899T2 (de) | 1987-07-30 | 1988-07-28 | Poroese polytetrafluoraethylen-membran, trennvorrichtung unter verwendung dieser membran sowie verfahren zur herstellung. |
| US07/358,205 US5158680A (en) | 1987-07-30 | 1989-05-30 | Polytetrafluoroethylene resin porous membrane, separator making use of the porous membrane and methods of producing the porous membrane and the separator |
| US07/918,060 US5286324A (en) | 1987-07-30 | 1992-07-24 | Polytetrafluoroethylene resin porous membrane, separator making use of the porous membrane and methods of producing the porous membrane and the separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19332387A JPS6434408A (en) | 1987-07-30 | 1987-07-30 | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6434408A true JPS6434408A (en) | 1989-02-03 |
| JPH0468011B2 JPH0468011B2 (enrdf_load_stackoverflow) | 1992-10-30 |
Family
ID=16305994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19332387A Granted JPS6434408A (en) | 1987-07-30 | 1987-07-30 | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6434408A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02284633A (ja) * | 1989-04-25 | 1990-11-22 | Toray Ind Inc | ポリテトラフルオロエチレン系樹脂多孔膜の製法 |
| KR100439412B1 (ko) * | 1996-08-09 | 2004-07-09 | 다이킨 고교 가부시키가이샤 | 필터 여과재 및 이를 이용한 에어 필터 유닛 |
| JP2009502500A (ja) * | 2005-08-03 | 2009-01-29 | ドナルドソン カンパニー，インコーポレイティド | フラッシュ蒸留のための微孔質膜 |
| JP2011036743A (ja) * | 2009-08-06 | 2011-02-24 | Nomura Unison Co Ltd | 脱気用中空糸膜 |
| JP2019172909A (ja) * | 2018-03-29 | 2019-10-10 | 日本ゼオン株式会社 | 膜状成形体の製造方法 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923183A (enrdf_load_stackoverflow) * | 1972-05-17 | 1974-03-01 | ||
| JPS5140902A (ja) * | 1974-10-04 | 1976-04-06 | Fujitsu Ltd | Jikikirokubaitainohogomaku |
| JPS5342794A (en) * | 1976-09-29 | 1978-04-18 | Sumitomo Metal Ind Ltd | Magnetic defectoscope for internal wall defect |
| JPS5378269A (en) * | 1976-12-20 | 1978-07-11 | Ici Ltd | Production of porous polytetrafluoroethylene article |
| JPS54145379A (en) * | 1978-05-02 | 1979-11-13 | Asahi Chem Ind Co Ltd | Aromatic polysulfone hollow fiber semipermeable membrane |
| JPS56159128A (en) * | 1980-05-15 | 1981-12-08 | Asahi Chem Ind Co Ltd | Thermoplastic resin porous film and production thereof |
| JPS59178228A (ja) * | 1983-03-28 | 1984-10-09 | Sumitomo Electric Ind Ltd | 四弗化エチレン樹脂多孔質体の製造方法及び製造装置 |
| JPS63248405A (ja) * | 1986-05-30 | 1988-10-14 | Mitsubishi Rayon Co Ltd | 多孔質膜 |
-
1987
- 1987-07-30 JP JP19332387A patent/JPS6434408A/ja active Granted
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923183A (enrdf_load_stackoverflow) * | 1972-05-17 | 1974-03-01 | ||
| JPS5140902A (ja) * | 1974-10-04 | 1976-04-06 | Fujitsu Ltd | Jikikirokubaitainohogomaku |
| JPS5342794A (en) * | 1976-09-29 | 1978-04-18 | Sumitomo Metal Ind Ltd | Magnetic defectoscope for internal wall defect |
| JPS5378269A (en) * | 1976-12-20 | 1978-07-11 | Ici Ltd | Production of porous polytetrafluoroethylene article |
| JPS54145379A (en) * | 1978-05-02 | 1979-11-13 | Asahi Chem Ind Co Ltd | Aromatic polysulfone hollow fiber semipermeable membrane |
| JPS56159128A (en) * | 1980-05-15 | 1981-12-08 | Asahi Chem Ind Co Ltd | Thermoplastic resin porous film and production thereof |
| JPS59178228A (ja) * | 1983-03-28 | 1984-10-09 | Sumitomo Electric Ind Ltd | 四弗化エチレン樹脂多孔質体の製造方法及び製造装置 |
| JPS63248405A (ja) * | 1986-05-30 | 1988-10-14 | Mitsubishi Rayon Co Ltd | 多孔質膜 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02284633A (ja) * | 1989-04-25 | 1990-11-22 | Toray Ind Inc | ポリテトラフルオロエチレン系樹脂多孔膜の製法 |
| KR100439412B1 (ko) * | 1996-08-09 | 2004-07-09 | 다이킨 고교 가부시키가이샤 | 필터 여과재 및 이를 이용한 에어 필터 유닛 |
| JP2009502500A (ja) * | 2005-08-03 | 2009-01-29 | ドナルドソン カンパニー，インコーポレイティド | フラッシュ蒸留のための微孔質膜 |
| US9108163B2 (en) | 2005-08-03 | 2015-08-18 | Donaldson Company, Inc. | Microporous membrane for flash distillation |
| JP2011036743A (ja) * | 2009-08-06 | 2011-02-24 | Nomura Unison Co Ltd | 脱気用中空糸膜 |
| JP2019172909A (ja) * | 2018-03-29 | 2019-10-10 | 日本ゼオン株式会社 | 膜状成形体の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0468011B2 (enrdf_load_stackoverflow) | 1992-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |