ZA916911B - Reverse osmosis membranes of polyamideurethane. - Google Patents

Reverse osmosis membranes of polyamideurethane.

Info

Publication number
ZA916911B
ZA916911B ZA916911A ZA916911A ZA916911B ZA 916911 B ZA916911 B ZA 916911B ZA 916911 A ZA916911 A ZA 916911A ZA 916911 A ZA916911 A ZA 916911A ZA 916911 B ZA916911 B ZA 916911B
Authority
ZA
South Africa
Prior art keywords
polyamideurethane
reverse osmosis
osmosis membranes
membranes
reverse
Prior art date
Application number
ZA916911A
Other languages
English (en)
Inventor
Samuel David Arthur
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of ZA916911B publication Critical patent/ZA916911B/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
    • C08G71/00—Macromolecular compounds obtained by reactions forming a ureide or urethane link, otherwise, than from isocyanate radicals in the main chain of the macromolecule
    • 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
    • B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • 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
    • B01D71/54—Polyureas; Polyurethanes
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/96—Esters of carbonic or haloformic acids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/48—Processes of making filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/62—Processes of molding porous films

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA916911A 1990-08-31 1991-08-30 Reverse osmosis membranes of polyamideurethane. ZA916911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/576,038 US5085777A (en) 1990-08-31 1990-08-31 Reverse osmosis membranes of polyamideurethane

Publications (1)

Publication Number Publication Date
ZA916911B true ZA916911B (en) 1993-03-01

Family

ID=24302725

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA916911A ZA916911B (en) 1990-08-31 1991-08-30 Reverse osmosis membranes of polyamideurethane.

Country Status (8)

Country Link
US (1) US5085777A (xx)
EP (2) EP0621256A1 (xx)
JP (2) JPH0722689B2 (xx)
AU (1) AU634136B2 (xx)
CA (1) CA2050169C (xx)
DE (1) DE69111531T2 (xx)
PT (1) PT98839A (xx)
ZA (1) ZA916911B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5019264A (en) * 1990-07-31 1991-05-28 E. I. Du Pont De Nemours And Company Multilayer reverse osmosis membrane of polyamide-urea
US5246587A (en) * 1991-12-23 1993-09-21 Hydranautics Interfacially synthesized reverse osmosis membranes and processes for preparing the same
US5693227A (en) * 1994-11-17 1997-12-02 Ionics, Incorporated Catalyst mediated method of interfacial polymerization on a microporous support, and polymers, fibers, films and membranes made by such method
DK0981343T3 (da) * 1997-05-14 2006-01-30 Atherogenics Inc Probucolmonoestere til behandling af kardiovaskulær og inflammatorisk sygdom
EP0924184A3 (en) 1997-12-17 1999-06-30 Daicel Chemical Industries, Ltd. A method for treating an effluent containing sorbic acid and/or a salt thereof and an effluent disposal device
US6783711B2 (en) * 2000-05-23 2004-08-31 Ge Osmonics, Inc. Process for preparing a sulfonamide polymer matrix
JP4705746B2 (ja) * 2000-05-23 2011-06-22 ジーイー・オズモニクス・インコーポレイテッド ナノ濾過のための酸安定性膜
MXPA02011570A (es) * 2000-05-23 2004-09-09 Osmonics Inc Polimeros de sulfonamida modificados.
US6837996B2 (en) * 2000-05-23 2005-01-04 Ge Osmonics, Inc. Polysulfonamide matrices
US20060207930A1 (en) * 2005-03-15 2006-09-21 Yeager Gary W Interfacial composite structure and method of making them
US8735529B2 (en) * 2006-12-21 2014-05-27 Nippon Soda Co., Ltd. Clathrate compound, curing catalyst, composition for forming cured resin, and cured resin
US7806275B2 (en) * 2007-05-09 2010-10-05 The United States Of America As Represented By The Secretary Of The Interior, The Bureau Of Reclamation Chlorine resistant polyamides and membranes made from the same
KR101132999B1 (ko) 2007-09-21 2012-04-09 닛뽕소다 가부시키가이샤 포접 착물을 함유하는 반도체 밀봉용 에폭시 수지 조성물
US20090242479A1 (en) * 2008-03-27 2009-10-01 General Electric Company Aromatic halosulfonyl isocyanate compositions
US20090242831A1 (en) * 2008-03-27 2009-10-01 General Electric Company Aromatic halosulfonyl isocyanate compositions
US8623942B2 (en) 2009-03-11 2014-01-07 Nippon Soda Co., Ltd. Epoxy resin composition, curing agent, and curing accelerator
US8857629B2 (en) 2010-07-15 2014-10-14 International Business Machines Corporation Composite membrane with multi-layered active layer
US9022227B2 (en) 2011-03-21 2015-05-05 International Business Machines Corporation Composite membranes and methods of preparation thereof
US9561474B2 (en) 2012-06-07 2017-02-07 International Business Machines Corporation Composite membrane with multi-layered active layer
US9056284B2 (en) 2012-08-10 2015-06-16 The United States Of America, As Represented By The Secretary Of The Interior Chlorine resistant amides, polyamides, and membranes made from the same
GB201403432D0 (en) 2014-02-27 2014-04-16 Univ Leuven Kath Improved method for synthesis of composite membranes
EP4142921A1 (en) 2020-04-28 2023-03-08 Katholieke Universiteit Leuven, KU Leuven R&D Thin-film composite membranes synthesized by multi-step coating methods
CN114000219B (zh) * 2021-10-29 2024-01-05 泰和新材集团股份有限公司 一种拒水拒油型间位芳纶及其制备方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB752105A (en) * 1953-01-23 1956-07-04 Bayer Ag Isocyanatocarboxylic acid chlorides
DE943407C (de) * 1953-01-24 1956-05-17 Bayer Ag Verfahren zur Herstellung von Isocyanatcarbonsaeurechloriden
US3211776A (en) * 1963-01-22 1965-10-12 Du Pont Catalytic process for preparing aromatic chloroformates
FR1476714A (fr) * 1965-03-03 1967-04-14 Bayer Ag Procédé de préparation de chlorures d'acides isocyanato-carboxyliques
DE1222919B (de) * 1965-03-03 1966-08-18 Bayer Ag Verfahren zur Herstellung von Isocyanatocarbonsaeurechloriden
DE2009494C3 (de) * 1970-02-28 1979-12-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung hxxochmolekularer linearer aromatischer Polyestercarbonate und deren Verwendung
US4059565A (en) * 1975-06-16 1977-11-22 Mitsubishi Gas Chemical Company, Inc. Process for producing a branched polycarbonate or poly(ester-carbonate)
US4059365A (en) * 1975-07-23 1977-11-22 Borg-Warner Corporation Sheet metal hub assembly
US4230463A (en) * 1977-09-13 1980-10-28 Monsanto Company Multicomponent membranes for gas separations
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing
JPS5926101A (ja) * 1982-08-04 1984-02-10 Teijin Ltd 複合半透膜
US4783346A (en) * 1987-12-10 1988-11-08 E. I. Du Pont De Nemours And Company Process for preparing composite membranes

Also Published As

Publication number Publication date
CA2050169C (en) 2002-11-12
DE69111531T2 (de) 1996-02-15
PT98839A (pt) 1992-07-31
AU8346091A (en) 1992-03-05
JPH04244222A (ja) 1992-09-01
AU634136B2 (en) 1993-02-11
EP0473459A3 (en) 1992-07-01
JPH0753469A (ja) 1995-02-28
JPH0722689B2 (ja) 1995-03-15
EP0621256A1 (en) 1994-10-26
EP0473459B1 (en) 1995-07-26
DE69111531D1 (de) 1995-08-31
CA2050169A1 (en) 1992-03-01
JPH0794409B2 (ja) 1995-10-11
US5085777A (en) 1992-02-04
EP0473459A2 (en) 1992-03-04

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