JPH0468010B2 - - Google Patents
Info
- Publication number
- JPH0468010B2 JPH0468010B2 JP62193322A JP19332287A JPH0468010B2 JP H0468010 B2 JPH0468010 B2 JP H0468010B2 JP 62193322 A JP62193322 A JP 62193322A JP 19332287 A JP19332287 A JP 19332287A JP H0468010 B2 JPH0468010 B2 JP H0468010B2
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- polytetrafluoroethylene resin
- fiber
- forming polymer
- present
- 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 - Lifetime
Links
- 239000012528 membrane Substances 0.000 claims description 75
- 229920005989 resin Polymers 0.000 claims description 38
- 239000011347 resin Substances 0.000 claims description 38
- -1 polytetrafluoroethylene Polymers 0.000 claims description 35
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 33
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 33
- 229920000642 polymer Polymers 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 21
- 239000006185 dispersion Substances 0.000 claims description 10
- 239000008240 homogeneous mixture Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000012510 hollow fiber Substances 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000007788 liquid Substances 0.000 description 19
- 239000000203 mixture Substances 0.000 description 18
- 238000000465 moulding Methods 0.000 description 18
- 239000000047 product Substances 0.000 description 15
- 230000035699 permeability Effects 0.000 description 13
- 230000001112 coagulating effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000000835 fiber Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000001878 scanning electron micrograph Methods 0.000 description 9
- 239000011550 stock solution Substances 0.000 description 9
- 108010088751 Albumins Proteins 0.000 description 8
- 102000009027 Albumins Human genes 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 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 description 5
- 239000002253 acid Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229920002545 silicone oil Polymers 0.000 description 5
- 239000000661 sodium alginate Substances 0.000 description 5
- 235000010413 sodium alginate Nutrition 0.000 description 5
- 229940005550 sodium alginate Drugs 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000009987 spinning Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 description 2
- 229960001763 zinc sulfate Drugs 0.000 description 2
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 1
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000012503 blood component Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229940098773 bovine serum albumin Drugs 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- RZFBEFUNINJXRQ-UHFFFAOYSA-M sodium ethyl xanthate Chemical compound [Na+].CCOC([S-])=S RZFBEFUNINJXRQ-UHFFFAOYSA-M 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 235000015192 vegetable juice Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Artificial Filaments (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62193322A JPS6434407A (en) | 1987-07-30 | 1987-07-30 | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
| 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. |
| PCT/JP1988/000755 WO1989000879A1 (en) | 1987-07-30 | 1988-07-28 | Porous polymetrafluoroethylene membrane, separating apparatus using same, and process for their production |
| 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 |
|---|---|---|---|
| JP62193322A JPS6434407A (en) | 1987-07-30 | 1987-07-30 | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6434407A JPS6434407A (en) | 1989-02-03 |
| JPH0468010B2 true JPH0468010B2 (ko) | 1992-10-30 |
Family
ID=16305977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62193322A Granted JPS6434407A (en) | 1987-07-30 | 1987-07-30 | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6434407A (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0734854B2 (ja) * | 1989-04-26 | 1995-04-19 | 東レ株式会社 | ポリテトラフルオロエチレン系樹脂多孔膜の製法及びその膜を用いた膜分離装置の製法 |
| US5242468A (en) | 1991-03-19 | 1993-09-07 | Startec Ventures, Inc. | Manufacture of high precision electronic components with ultra-high purity liquids |
| US5217666A (en) * | 1991-05-29 | 1993-06-08 | Daikin Industries Ltd. | Process for producing porous polytetrafluoroethylene film |
| US6214173B1 (en) | 1996-06-05 | 2001-04-10 | Air Liquide Electronics Chemicals & Services, Inc. | On-site manufacture of ultra-high-purity nitric acid |
| US20110036314A1 (en) | 2008-03-24 | 2011-02-17 | Makoto Yasui | Lash adjuster |
| WO2011016410A1 (ja) * | 2009-08-06 | 2011-02-10 | 住友電気工業株式会社 | 水処理装置及び水処理方法 |
| JP2011127533A (ja) | 2009-12-18 | 2011-06-30 | Ntn Corp | アーム式動弁装置 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5071759A (ko) * | 1973-10-26 | 1975-06-13 | ||
| 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 |
| JPS56159128A (en) * | 1980-05-15 | 1981-12-08 | Asahi Chem Ind Co Ltd | Thermoplastic resin porous film and production thereof |
| JPS5898105A (ja) * | 1981-12-07 | 1983-06-10 | Toray Ind Inc | フッ素系湿潤分離膜の製造方法 |
| 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 |
| JPS62106808A (ja) * | 1985-11-01 | 1987-05-18 | Asahi Chem Ind Co Ltd | エチレン―テトラフルオロエチレン共重合体多孔膜 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH023865Y2 (ko) * | 1985-04-08 | 1990-01-30 |
-
1987
- 1987-07-30 JP JP62193322A patent/JPS6434407A/ja active Granted
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5071759A (ko) * | 1973-10-26 | 1975-06-13 | ||
| 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 |
| JPS56159128A (en) * | 1980-05-15 | 1981-12-08 | Asahi Chem Ind Co Ltd | Thermoplastic resin porous film and production thereof |
| JPS5898105A (ja) * | 1981-12-07 | 1983-06-10 | Toray Ind Inc | フッ素系湿潤分離膜の製造方法 |
| 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 |
| JPS62106808A (ja) * | 1985-11-01 | 1987-05-18 | Asahi Chem Ind Co Ltd | エチレン―テトラフルオロエチレン共重合体多孔膜 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6434407A (en) | 1989-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |