IL50384A - Semipermeable membranes and their preparation - Google Patents

Semipermeable membranes and their preparation

Info

Publication number
IL50384A
IL50384A IL50384A IL5038476A IL50384A IL 50384 A IL50384 A IL 50384A IL 50384 A IL50384 A IL 50384A IL 5038476 A IL5038476 A IL 5038476A IL 50384 A IL50384 A IL 50384A
Authority
IL
Israel
Prior art keywords
preparation
semipermeable membranes
semipermeable
membranes
Prior art date
Application number
IL50384A
Other languages
English (en)
Other versions
IL50384A0 (en
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
Publication of IL50384A0 publication Critical patent/IL50384A0/xx
Publication of IL50384A publication Critical patent/IL50384A/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)
IL50384A 1975-09-22 1976-08-30 Semipermeable membranes and their preparation IL50384A (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 (2)

Publication Number Publication Date
IL50384A0 IL50384A0 (en) 1976-10-31
IL50384A true IL50384A (en) 1979-03-12

Family

ID=24464635

Family Applications (1)

Application Number Title Priority Date Filing Date
IL50384A IL50384A (en) 1975-09-22 1976-08-30 Semipermeable membranes and their preparation

Country Status (12)

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

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US4708803A (en) * 1980-10-27 1987-11-24 Cuno Incorporated Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane
US4711793A (en) * 1980-10-27 1987-12-08 Cuno Incorporated Process for charge modifying a microphorous membrane
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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
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US4859384A (en) * 1987-11-18 1989-08-22 Filmtec Corp. Novel polyamide reverse osmosis membranes
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US5145584A (en) * 1990-12-05 1992-09-08 Allied-Signal Inc. Processes for using a thin film composite ultrafiltration membrane
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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
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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
WO2000041800A1 (fr) * 1999-01-14 2000-07-20 Toray Industries, Inc. Membrane semi-permeable composite, procede de fabrication et procede de purification d'eau a l'aide de cette membrane
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JP4246070B2 (ja) * 2002-03-01 2009-04-02 ジーイー・オズモニクス・インコーポレイテッド 透過率の向上した半透膜の製造方法
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JP2006102594A (ja) * 2004-10-01 2006-04-20 Nitto Denko Corp 複合半透膜の製造方法
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
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US7727434B2 (en) * 2005-08-16 2010-06-01 General Electric Company Membranes and methods of treating membranes
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
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ES2715823T3 (es) * 2009-06-29 2019-06-06 Nanoh2O Inc Membranas TFC para RO híbridas mejoradas con aditivos nitrogenados
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JP5961931B2 (ja) * 2010-06-23 2016-08-03 東レ株式会社 複合半透膜の製造方法
AU2011326483B2 (en) 2010-11-10 2017-02-23 Nanoh2O, Inc. Improved hybrid TFC RO membranes with non-metallic additives
JP5110227B2 (ja) * 2011-01-31 2012-12-26 東レ株式会社 水処理用分離膜およびその製造方法
US20130115267A1 (en) 2011-11-03 2013-05-09 The Regents Of The University Of California Compositions and methods for reducing edema
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US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
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FR2252862B1 (xx) * 1973-12-04 1978-10-27 Rhone Poulenc Ind

Also Published As

Publication number Publication date
CA1068996A (en) 1980-01-01
EG12437A (en) 1978-12-31
JPS5538164B2 (xx) 1980-10-02
GB1558807A (en) 1980-01-09
AU1736876A (en) 1978-03-09
AU500659B2 (en) 1979-05-31
BR7606224A (pt) 1977-06-14
DE2642407B2 (de) 1980-10-09
US4005012A (en) 1977-01-25
FR2324338A1 (fr) 1977-04-15
MX144990A (es) 1981-12-10
DE2642407A1 (de) 1977-03-24
IL50384A0 (en) 1976-10-31
FR2324338B1 (xx) 1981-05-08
DE2642407C3 (de) 1981-10-01
AR219906A1 (es) 1980-09-30
JPS5240486A (en) 1977-03-29

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