EG12437A - Semipermeable membranes and the method for the preparation thereof - Google Patents

Semipermeable membranes and the method for the preparation thereof

Info

Publication number
EG12437A
EG12437A EG76566A EG56676A EG12437A EG 12437 A EG12437 A EG 12437A EG 76566 A EG76566 A EG 76566A EG 56676 A EG56676 A EG 56676A EG 12437 A EG12437 A EG 12437A
Authority
EG
Egypt
Prior art keywords
preparation
semipermeable membranes
semipermeable
membranes
Prior art date
Application number
EG76566A
Other languages
English (en)
Inventor
W Wrasidlo
Original Assignee
Uop Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uop Inc filed Critical Uop Inc
Application granted granted Critical
Publication of EG12437A publication Critical patent/EG12437A/xx

Links

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
    • C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
    • 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

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)
EG76566A 1975-09-22 1976-09-15 Semipermeable membranes and the method for the preparation thereof EG12437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/615,252 US4005012A (en) 1975-09-22 1975-09-22 Semipermeable membranes and the method for the preparation thereof

Publications (1)

Publication Number Publication Date
EG12437A true EG12437A (en) 1978-12-31

Family

ID=24464635

Family Applications (1)

Application Number Title Priority Date Filing Date
EG76566A EG12437A (en) 1975-09-22 1976-09-15 Semipermeable membranes and the method for the preparation thereof

Country Status (12)

Country Link
US (1) US4005012A (pt)
JP (1) JPS5240486A (pt)
AR (1) AR219906A1 (pt)
AU (1) AU500659B2 (pt)
BR (1) BR7606224A (pt)
CA (1) CA1068996A (pt)
DE (1) DE2642407C3 (pt)
EG (1) EG12437A (pt)
FR (1) FR2324338A1 (pt)
GB (1) GB1558807A (pt)
IL (1) IL50384A (pt)
MX (1) MX144990A (pt)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1555781A (en) * 1975-08-27 1979-11-14 Pollution Preventing Res Methods for producing dibasic fatty acid
NZ184767A (en) * 1976-08-05 1980-03-05 Tecneco Spa Assymetric membranes from fluorinated polymeric materials
US4230463A (en) * 1977-09-13 1980-10-28 Monsanto Company Multicomponent membranes for gas separations
US4265745A (en) * 1977-05-25 1981-05-05 Teijin Limited Permselective membrane
US4260652A (en) * 1977-06-08 1981-04-07 Teijin Limited Preparation of permselective composite membrane
JPS6039401B2 (ja) * 1977-07-05 1985-09-05 鐘淵化学工業株式会社 限外濾過用管状物
JPS5443882A (en) * 1977-09-14 1979-04-06 Nippon Zeon Co Ltd Preparation of semipermeable membrane
JPS54107882A (en) * 1978-02-13 1979-08-24 Toray Ind Inc Semipermeable membrane
DE2808222C3 (de) * 1978-02-25 1981-09-03 Battelle-Institut E.V., 6000 Frankfurt Verfahren zur Herstellung von Composite-Membranen
JPS54127873A (en) * 1978-03-27 1979-10-04 Sekisui Chem Co Ltd Semipermeable membrane and its manufacture
JPS54151570A (en) * 1978-05-22 1979-11-28 Teijin Ltd Selectively permeable composite membrane and its manufacture
JPS5535910A (en) * 1978-09-06 1980-03-13 Teijin Ltd Permselectivity composite membrane and preparation thereof
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
US4337154A (en) * 1979-04-04 1982-06-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Crosslinked composite semipermeable membrane
JPS5640403A (en) * 1979-09-12 1981-04-16 Toray Ind Inc High-performance semipermeable composite membrane
US4387024A (en) * 1979-12-13 1983-06-07 Toray Industries, Inc. High performance semipermeable composite membrane and process for producing the same
FR2471801A1 (fr) * 1979-12-20 1981-06-26 Toray Industries Procede de production de membranes composites semi-permeables a couche ultra-mince formant barriere vis-a-vis du solute et nouveaux produits ainsi obtenus
US4406673A (en) * 1979-12-27 1983-09-27 Teijin Limited Ultrathin solid membrane, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture
JPS5695304A (en) * 1979-12-28 1981-08-01 Teijin Ltd Perm selective composite membrane and its production
EP0048901B1 (en) * 1980-09-25 1985-07-31 Terumo Corporation Plasma separator
WO1982001477A1 (en) * 1980-10-27 1982-05-13 Inc Amf Charge modified microporous membrane,process for charge modifying said membrane and process for filtration of fluid
US4473474A (en) * 1980-10-27 1984-09-25 Amf Inc. Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid
US4708803A (en) * 1980-10-27 1987-11-24 Cuno Incorporated Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane
US4673504A (en) * 1980-10-27 1987-06-16 Cuno Inc. Charge modified microporous membrane
US4711793A (en) * 1980-10-27 1987-12-08 Cuno Incorporated Process for charge modifying a microphorous membrane
DE3170223D1 (en) * 1981-01-13 1985-06-05 Teijin Ltd Ion-permeable composite membrane and its use in selective separation
JPS5850522B2 (ja) * 1981-03-31 1983-11-11 日東電工株式会社 複合半透膜及びその製造方法
US4743418A (en) * 1981-05-29 1988-05-10 Cuno Incorporated Process for charge modifying a microporous membrane
US4737291A (en) * 1981-05-29 1988-04-12 Cuno Incorporated Charge modified microporous membrane
JPS5814904A (ja) * 1981-07-16 1983-01-28 Toray Ind Inc 液体分離膜の支持体シ−ト
US4645602A (en) * 1981-12-18 1987-02-24 Barnes Jr Robert G Process for producing reinforced microporous membrane
EP0082355B1 (de) * 1981-12-21 1986-06-11 Aligena Ag Semipermeable Membranen aus modifizierten Polystyrolen, Verfahren zu ihrer Herstellung und ihre Verwendung
US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
US4429122A (en) * 1982-04-20 1984-01-31 Uop Inc. Separation of saccharides
DE3220570A1 (de) * 1982-06-01 1983-12-01 GFT Ingenieurbüro für Industrieanlagenbau, 6650 Homburg Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren
US4415455A (en) * 1982-11-09 1983-11-15 Rohm And Haas Company Reverse osmosis membranes based on hydroxyalkyl methacrylate and methacrylic acid copolymers
US4606943A (en) * 1983-03-18 1986-08-19 Culligan International Company Method for preparation of semipermeable composite membrane
US4613440A (en) * 1983-04-18 1986-09-23 Allied Corporation Composite membranes based on interpenetrating polymer networks
EP0156840A4 (en) * 1983-09-12 1987-07-08 Memtec Ltd TREATMENT OF POROUS MEMBRANE.
US4659475A (en) * 1984-03-19 1987-04-21 Midwest Research Institute Composite reverse osmosis membrane comprising crosslinked poly(amine-epihalohydrin adduct)
DE3566954D1 (en) * 1984-03-20 1989-02-02 Akzo Gmbh Cellulose dialysis membrane with improved biocompatibility
US4969998A (en) * 1984-04-23 1990-11-13 W. L. Gore & Associates, Inc. Composite semipermeable membrane
US4789468A (en) * 1984-08-28 1988-12-06 The Trustees Of The Stevens Institute Of Technology Immobilized-interface solute-transfer apparatus
US4695483A (en) * 1984-11-13 1987-09-22 Allied Corporation Method for the preparation of composite membranes based on interpenetrating polymer networks
US4704324A (en) * 1985-04-03 1987-11-03 The Dow Chemical Company Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
US4750918A (en) * 1985-05-28 1988-06-14 The Trustees Of The Stevens Institute Of Technology Selective-permeation gas-separation process and apparatus
US4761234A (en) * 1985-08-05 1988-08-02 Toray Industries, Inc. Interfacially synthesized reverse osmosis membrane
US4921612A (en) * 1985-10-22 1990-05-01 The Trustees Of Stevens Institute Of Technology Asymmetrically-wettable porous membrane process
US4747953A (en) * 1986-02-21 1988-05-31 Allied Corporation Composite membranes based on interpenetrating polymer networks
US4888116A (en) * 1987-01-15 1989-12-19 The Dow Chemical Company Method of improving membrane properties via reaction of diazonium compounds or precursors
US4812238A (en) * 1987-01-15 1989-03-14 The Dow Chemical Company Membranes prepared via reaction of diazonium compounds or precursors
US4909943A (en) * 1987-07-20 1990-03-20 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4769148A (en) * 1987-11-18 1988-09-06 The Dow Chemical Company Novel polyamide reverse osmosis membranes
US4859384A (en) * 1987-11-18 1989-08-22 Filmtec Corp. Novel polyamide reverse osmosis membranes
US4880545A (en) * 1988-11-18 1989-11-14 Uop Ultra-filtration membranes and a method for the separation of sugars using the same
US5024765A (en) * 1989-10-02 1991-06-18 Aligena Ag Composite membranes and processes using them
US5145584A (en) * 1990-12-05 1992-09-08 Allied-Signal Inc. Processes for using a thin film composite ultrafiltration membrane
US5085775A (en) * 1990-12-05 1992-02-04 Allied-Signal Inc. Thin film composite ultrafiltration membrane
US5258203A (en) * 1991-02-04 1993-11-02 E. I. Du Pont De Nemours And Company Process for the manufacture of thin film composite membranes
US5205934A (en) * 1991-08-30 1993-04-27 Membrane Products Kiryat Weitzman Ltd. Silicone-derived solvent stable membranes
US5151182A (en) * 1991-08-30 1992-09-29 Membrane Products Kiryat Weizmann Ltd. Polyphenylene oxide-derived membranes for separation in organic solvents
US5139677A (en) * 1991-11-18 1992-08-18 Texaco Inc. Membrane separation method
US5391580A (en) * 1992-03-20 1995-02-21 Anatrace Inc. Poly(sulfone-alpha-olefin) composite permselective membrane article for use in blood oxygenation
US5616249A (en) * 1993-05-20 1997-04-01 Ionics, Incorporated Nanofiltration apparatus and processes
JPH07178327A (ja) * 1993-11-12 1995-07-18 Nitto Denko Corp 複合半透膜及びその製造方法
KR960014337B1 (ko) * 1993-12-20 1996-10-15 제일합섬 주식회사 복합반투막의 제조방법
KR0183370B1 (ko) * 1995-07-07 1999-04-15 김은영 방향족 폴리에스테르 또는 방향족 폴리에스테르와 폴리아미드 공중합체의 활성층을 갖는 역삼투용 복합막
DE69920419T2 (de) * 1999-01-14 2006-02-23 Toray Industries, Inc. Semipermeable verbundmembran, verfahren zu ihrer herstellung und verfahren zur reinigung von wasser mit hilfe derselben
DE10144815A1 (de) * 2001-09-12 2003-03-27 Celanese Ventures Gmbh Protonenleitende Membran und deren Verwendung
EP1483033A4 (en) * 2002-03-01 2005-04-13 Osmonics Inc METHOD FOR PRODUCING SEMI-PERMANENT MEMBRANES WITH IMPROVED PERMEABILITY
JP2006102594A (ja) * 2004-10-01 2006-04-20 Nitto Denko Corp 複合半透膜の製造方法
JP4656503B2 (ja) * 2004-10-01 2011-03-23 日東電工株式会社 複合半透膜及びその製造方法
JP4656502B2 (ja) * 2004-10-01 2011-03-23 日東電工株式会社 複合半透膜及びその製造方法
JP4656511B2 (ja) * 2004-10-04 2011-03-23 日東電工株式会社 複合逆浸透膜の製造方法
GB0515577D0 (en) * 2005-07-29 2005-09-07 Amersham Biosciences Ab Process for cross-linking cellulose ester membranes
US7727434B2 (en) * 2005-08-16 2010-06-01 General Electric Company Membranes and methods of treating membranes
JP2008093544A (ja) * 2006-10-10 2008-04-24 Nitto Denko Corp 複合半透膜及びその製造方法
JP4936438B2 (ja) * 2006-10-10 2012-05-23 日東電工株式会社 乾燥複合半透膜の製造方法
JP2008246419A (ja) * 2007-03-30 2008-10-16 Nitto Denko Corp 複合半透膜の製造方法
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
FR2943558B1 (fr) * 2009-03-30 2011-04-08 Centre Nat Rech Scient Membrane polymere dynamique autosupportee,procede de preparation et utilisations.
WO2011008549A2 (en) * 2009-06-29 2011-01-20 NanoH2O Inc. Improved hybrid tfc ro membranes with nitrogen additives
US20110049055A1 (en) * 2009-08-31 2011-03-03 General Electric Company Reverse osmosis composite membranes for boron removal
WO2011151670A1 (en) * 2010-06-02 2011-12-08 University Of Calcutta Processes for cross-linking cellulose ethers under mild conditions
JP5961931B2 (ja) * 2010-06-23 2016-08-03 東レ株式会社 複合半透膜の製造方法
WO2012064939A2 (en) 2010-11-10 2012-05-18 Nanoh2O, Inc. Improved hybrid tfc ro membranes with non-metallic additives
KR101909166B1 (ko) * 2011-01-31 2018-10-17 도레이 카부시키가이샤 수처리용 분리막 및 그 제조 방법
US20130115267A1 (en) 2011-11-03 2013-05-09 The Regents Of The University Of California Compositions and methods for reducing edema
KR20150083397A (ko) * 2014-01-09 2015-07-17 삼성전자주식회사 나노여과막 및 이를 이용한 유기산 제조 방법
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
JP6747926B2 (ja) * 2015-09-30 2020-08-26 日東電工株式会社 スパイラル型分離膜エレメントの製造方法
US9737859B2 (en) 2016-01-11 2017-08-22 Lg Nanoh2O, Inc. Process for improved water flux through a TFC membrane
US10155203B2 (en) 2016-03-03 2018-12-18 Lg Nanoh2O, Inc. Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents
US11684895B2 (en) 2020-09-03 2023-06-27 NL Chemical Technology, Inc. Bilayer polyamide desalination membrane

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642663A (en) * 1964-03-19 1972-02-15 Albert H Greer Soluble quaternized condensation products of epihalohydrins and polyamines
FR1588980A (pt) * 1968-09-27 1970-03-16
US3803237A (en) * 1969-11-03 1974-04-09 Upjohn Co Reaction products of polyethylenepolyamines and chlorohydrins or epoxy containing compounds
US3755207A (en) * 1971-03-03 1973-08-28 Nippon Zeon Co Vulcanizable epihalohydrin polymer composition
FR2252862B1 (pt) * 1973-12-04 1978-10-27 Rhone Poulenc Ind

Also Published As

Publication number Publication date
AR219906A1 (es) 1980-09-30
JPS5240486A (en) 1977-03-29
DE2642407B2 (de) 1980-10-09
JPS5538164B2 (pt) 1980-10-02
BR7606224A (pt) 1977-06-14
FR2324338A1 (fr) 1977-04-15
AU500659B2 (en) 1979-05-31
IL50384A0 (en) 1976-10-31
CA1068996A (en) 1980-01-01
DE2642407A1 (de) 1977-03-24
MX144990A (es) 1981-12-10
IL50384A (en) 1979-03-12
GB1558807A (en) 1980-01-09
AU1736876A (en) 1978-03-09
DE2642407C3 (de) 1981-10-01
FR2324338B1 (pt) 1981-05-08
US4005012A (en) 1977-01-25

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