JPS5443882A - Preparation of semipermeable membrane - Google Patents
Preparation of semipermeable membraneInfo
- Publication number
- JPS5443882A JPS5443882A JP11099977A JP11099977A JPS5443882A JP S5443882 A JPS5443882 A JP S5443882A JP 11099977 A JP11099977 A JP 11099977A JP 11099977 A JP11099977 A JP 11099977A JP S5443882 A JPS5443882 A JP S5443882A
- Authority
- JP
- Japan
- Prior art keywords
- diisocyanate
- polyamine
- soln
- porous support
- film
- 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 2
- 125000005442 diisocyanate group Chemical group 0.000 abstract 4
- 229920000768 polyamine Polymers 0.000 abstract 4
- 239000010408 film Substances 0.000 abstract 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 abstract 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 abstract 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 abstract 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 2
- 239000010409 thin film Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/60—Polyamines
- B01D71/601—Polyethylenimine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
- C08G18/6423—Polyalkylene polyamines; polyethylenimines; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polyurethanes Or Polyureas (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11099977A JPS5443882A (en) | 1977-09-14 | 1977-09-14 | Preparation of semipermeable membrane |
US05/941,563 US4244817A (en) | 1977-09-14 | 1978-09-12 | Process for producing semipermeable membrane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11099977A JPS5443882A (en) | 1977-09-14 | 1977-09-14 | Preparation of semipermeable membrane |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5443882A true JPS5443882A (en) | 1979-04-06 |
JPS611163B2 JPS611163B2 (US07993877-20110809-P00003.png) | 1986-01-14 |
Family
ID=14549826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11099977A Granted JPS5443882A (en) | 1977-09-14 | 1977-09-14 | Preparation of semipermeable membrane |
Country Status (2)
Country | Link |
---|---|
US (1) | US4244817A (US07993877-20110809-P00003.png) |
JP (1) | JPS5443882A (US07993877-20110809-P00003.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5511514U (US07993877-20110809-P00003.png) * | 1978-07-06 | 1980-01-24 | ||
JPS59173185A (ja) * | 1983-03-19 | 1984-10-01 | Nitto Electric Ind Co Ltd | 選択的分離方法 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4559139A (en) * | 1979-12-13 | 1985-12-17 | Toray Industries, Inc. | High performance semipermeable composite membrane and process for producing the same |
US4387024A (en) * | 1979-12-13 | 1983-06-07 | Toray Industries, Inc. | High performance semipermeable composite membrane and process for producing the same |
US4645602A (en) * | 1981-12-18 | 1987-02-24 | Barnes Jr Robert G | Process for producing reinforced microporous membrane |
CH656626A5 (fr) * | 1982-02-05 | 1986-07-15 | Pall Corp | Membrane en polyamide, presentant des proprietes de surface controlees, son utilisation et son procede de preparation. |
US4707266A (en) * | 1982-02-05 | 1987-11-17 | Pall Corporation | Polyamide membrane with controlled surface properties |
EP0155534B1 (de) * | 1984-03-20 | 1988-12-28 | Akzo Patente GmbH | Dialysemembran aus Cellulose mit verbesserter Biokompatibilität |
JPS62141758U (US07993877-20110809-P00003.png) * | 1986-02-28 | 1987-09-07 | ||
US4814082A (en) * | 1986-10-20 | 1989-03-21 | Memtec North America Corporation | Ultrafiltration thin film membranes |
US5069945A (en) * | 1986-10-20 | 1991-12-03 | Memtec America Corporation | Ultrapous thin-film membranes |
US5024765A (en) * | 1989-10-02 | 1991-06-18 | Aligena Ag | Composite membranes and processes using them |
US4950404A (en) * | 1989-08-30 | 1990-08-21 | Allied-Signal Inc. | High flux semipermeable membranes |
US5173335A (en) * | 1990-07-31 | 1992-12-22 | E. I. Du Pont De Nemours And Company | Method of producing multilayer reverse osmosis membrane of polyamide-urea |
FR2726567B1 (fr) * | 1994-11-03 | 1996-12-20 | Hospal Ind | Utilisation de la polyethyleneimine comme promoteur d'adhesion d'une composition adhesive de polyurethane |
JP3489922B2 (ja) * | 1994-12-22 | 2004-01-26 | 日東電工株式会社 | 高透過性複合逆浸透膜の製造方法 |
KR20020042728A (ko) | 1999-10-19 | 2002-06-05 | 월커 존 허버트 | 작용성 중합체 표면의 제조 |
WO2004005402A1 (en) * | 2002-07-05 | 2004-01-15 | Massachusetts Institute Of Technology | Graft copolymers |
US8119006B2 (en) * | 2008-09-10 | 2012-02-21 | Exxonmobil Research And Engineering Company | Ethanol stable epoxy amine based membrane for aromatics separation |
SG192081A1 (en) * | 2011-01-25 | 2013-08-30 | Univ Nanyang Tech | A forward osmosis membrane and method of forming a forward osmosis membrane |
US10443190B2 (en) * | 2017-11-09 | 2019-10-15 | Milliken & Company | Fire resistant composite roofing membrane |
US11987985B2 (en) | 2021-04-20 | 2024-05-21 | Milliken & Company | Metal roofing system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1587787A (US07993877-20110809-P00003.png) * | 1968-10-02 | 1970-03-27 | ||
IL43201A (en) * | 1972-09-19 | 1976-11-30 | North Star Res & Dev | Reverse osmosis membrane and its preparation |
US4039440A (en) * | 1972-09-19 | 1977-08-02 | The United States Of America As Represented By The Secretary Of The Interior | Reverse osmosis membrane |
JPS50129544A (US07993877-20110809-P00003.png) * | 1974-02-15 | 1975-10-13 | ||
US4002563A (en) * | 1974-05-20 | 1977-01-11 | The United States Of America As Represented By The Secretary Of The Interior | Regular copolyamides as desalination membranes |
US3951815A (en) * | 1974-09-05 | 1976-04-20 | Universal Oil Products Company | Composite semipermeable membranes made from polyethylenimine |
US4005012A (en) * | 1975-09-22 | 1977-01-25 | The United States Of America As Represented By The Secretary Of The Interior | Semipermeable membranes and the method for the preparation thereof |
-
1977
- 1977-09-14 JP JP11099977A patent/JPS5443882A/ja active Granted
-
1978
- 1978-09-12 US US05/941,563 patent/US4244817A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5511514U (US07993877-20110809-P00003.png) * | 1978-07-06 | 1980-01-24 | ||
JPS5637737Y2 (US07993877-20110809-P00003.png) * | 1978-07-06 | 1981-09-03 | ||
JPS59173185A (ja) * | 1983-03-19 | 1984-10-01 | Nitto Electric Ind Co Ltd | 選択的分離方法 |
Also Published As
Publication number | Publication date |
---|---|
US4244817A (en) | 1981-01-13 |
JPS611163B2 (US07993877-20110809-P00003.png) | 1986-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5443882A (en) | Preparation of semipermeable membrane | |
JPS5416378A (en) | Polysulfone semipermeable membrane | |
CA2069510A1 (en) | Dry high flux semipermeable membranes | |
SE7810052L (sv) | Forfarande for avlegsnande av polymer fran losningar | |
JPS5397988A (en) | Production of cation exchange membrane | |
JPS55106243A (en) | Preparation of microporous polymer membrane | |
JPS57159508A (en) | Preparation of selective permeable membrane | |
JPS5249248A (en) | Reverse osmotic treatment of water-soluble electro-deposition coating | |
JPS5581706A (en) | Preparation of semi-permeable membrane | |
JPS5411882A (en) | Desalting process | |
JPS5549106A (en) | Selective permeable composite membrane and production thereof | |
ES422290A1 (es) | Procedimiento para la preparacion de membranas de gel ani- tropicas a base de polipiperazinamidas para osmosis inversa. | |
JPS57159821A (en) | Production of photopolymer | |
JPS5258078A (en) | Method of washing membrane | |
JPS5691814A (en) | Manufacture of ultrafiltration film | |
JPS5272398A (en) | Fixing method of ion exchange membrane | |
JPS524481A (en) | Method of recovering performance of permeablmenbrane module | |
JPS53130054A (en) | Orientation treatment method of liquid crystal cells | |
JPS5245591A (en) | Reverse osmotic membrane | |
JPS5414389A (en) | Production of amphoteric ion exchange composite membrane | |
JPS56150403A (en) | Improved osmotic treatment process | |
JPS5330482A (en) | Water making method | |
JPS5413468A (en) | Gas/liquid contacting method | |
JPS5631409A (en) | Preparing acrylonitrile-based reverse osmosis membrane | |
JPS6411607A (en) | Membrane having selective permeability to water |