ZA916032B - Multilayer reverse osmosis membrane of polyamide-urea - Google Patents

Multilayer reverse osmosis membrane of polyamide-urea

Info

Publication number
ZA916032B
ZA916032B ZA916032A ZA916032A ZA916032B ZA 916032 B ZA916032 B ZA 916032B ZA 916032 A ZA916032 A ZA 916032A ZA 916032 A ZA916032 A ZA 916032A ZA 916032 B ZA916032 B ZA 916032B
Authority
ZA
South Africa
Prior art keywords
urea
polyamide
reverse osmosis
osmosis membrane
multilayer reverse
Prior art date
Application number
ZA916032A
Other languages
English (en)
Inventor
Samuel David Arthur
David Arthur Samuel
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 ZA916032B publication Critical patent/ZA916032B/xx

Links

Classifications

    • 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
    • B01D71/54—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
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines
    • C08G18/3237—Polyamines aromatic
    • C08G18/324—Polyamines aromatic containing only one aromatic ring
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines
    • C08G18/3246—Polyamines heterocyclic, the heteroatom being oxygen or nitrogen in the form of an amino group
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/71—Monoisocyanates or monoisothiocyanates
    • C08G18/712—Monoisocyanates or monoisothiocyanates containing halogens
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/773—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur halogens

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA916032A 1990-07-31 1991-07-31 Multilayer reverse osmosis membrane of polyamide-urea ZA916032B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/560,512 US5019264A (en) 1990-07-31 1990-07-31 Multilayer reverse osmosis membrane of polyamide-urea

Publications (1)

Publication Number Publication Date
ZA916032B true ZA916032B (en) 1993-04-28

Family

ID=24238109

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA916032A ZA916032B (en) 1990-07-31 1991-07-31 Multilayer reverse osmosis membrane of polyamide-urea

Country Status (9)

Country Link
US (1) US5019264A (de)
EP (2) EP0473290B1 (de)
JP (2) JPH0722688B2 (de)
AU (1) AU635479B2 (de)
CA (1) CA2047989C (de)
DE (1) DE69110795T2 (de)
IL (1) IL99010A (de)
PT (1) PT98506A (de)
ZA (1) ZA916032B (de)

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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
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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
US5851355A (en) * 1996-11-27 1998-12-22 Bba Nonwovens Simpsonville, Inc. Reverse osmosis support substrate and method for its manufacture
EP0924184A3 (de) 1997-12-17 1999-06-30 Daicel Chemical Industries, Ltd. Verfahren zur Behandlung von Sorbinsäure und/oder deren Salz enthaltendem Abwasser und Abwasserbehandlungsvorrichtung
KR19990070134A (ko) * 1998-02-17 1999-09-15 한형수 폴리아미드계 복합소재 분리막의 제조방법
EP0992277B1 (de) * 1998-10-09 2004-04-07 Saehan Industries, Inc. Trockene halbdurchlässige Umkehrosmosemembran und Verfahren zu ihrer Herstellung unter Verwendung von Sacchariden
US6156680A (en) * 1998-12-23 2000-12-05 Bba Nonwovens Simpsonville, Inc. Reverse osmosis support substrate and method for its manufacture
DE19954158A1 (de) * 1999-11-10 2001-05-17 Inst Textil & Faserforschung Mikroporöse hydrophile Membran
US7250226B2 (en) 2001-08-31 2007-07-31 Nippon Hoso Kyokai Phosphorescent compound, a phosphorescent composition and an organic light-emitting device
US20060207930A1 (en) * 2005-03-15 2006-09-21 Yeager Gary W Interfacial composite structure and method of making them
US7727434B2 (en) * 2005-08-16 2010-06-01 General Electric Company Membranes and methods of treating membranes
US7744761B2 (en) 2007-06-28 2010-06-29 Calera Corporation Desalination methods and systems that include carbonate compound precipitation
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
US8857629B2 (en) 2010-07-15 2014-10-14 International Business Machines Corporation Composite membrane with multi-layered active layer
WO2012102944A1 (en) 2011-01-24 2012-08-02 Dow Global Technologies Llc Composite polyamide membrane
US9022227B2 (en) 2011-03-21 2015-05-05 International Business Machines Corporation Composite membranes and methods of preparation thereof
WO2013032586A1 (en) 2011-08-31 2013-03-07 Dow Global Technologies Llc Composite polyamide membrane derived from monomer including amine-reactive and phosphorous-containing functional groups
US9029600B2 (en) 2011-09-29 2015-05-12 Dow Global Technologies Llc Method for preparing high purity mono-hydrolyzed acyl halide compound
EP2776146B1 (de) 2012-01-06 2020-05-13 DDP Specialty Electronic Materials US, Inc. Verfahren zur herstellung einer zusammengesetzten polyamidmembran
US9561474B2 (en) 2012-06-07 2017-02-07 International Business Machines Corporation Composite membrane with multi-layered active layer
CN104470628A (zh) 2012-07-19 2015-03-25 陶氏环球技术有限责任公司 源自于四官能酰卤单体的薄膜复合膜
CN104918688B (zh) 2013-01-14 2016-12-14 陶氏环球技术有限责任公司 包含经取代苯甲酰胺单体的复合聚酰胺膜
WO2014109946A1 (en) 2013-01-14 2014-07-17 Dow Global Technologies Llc Composite polyamide membrane
US9289729B2 (en) 2013-03-16 2016-03-22 Dow Global Technologies Llc Composite polyamide membrane derived from carboxylic acid containing acyl halide monomer
US9051227B2 (en) 2013-03-16 2015-06-09 Dow Global Technologies Llc In-situ method for preparing hydrolyzed acyl halide compound
US9051417B2 (en) 2013-03-16 2015-06-09 Dow Global Technologies Llc Method for solubilizing carboxylic acid-containing compound in hydrocarbon solvent
WO2014179024A1 (en) 2013-05-03 2014-11-06 Dow Global Technologies Llc Composite polyamide membrane derived from an aliphatic acyclic tertiary amine compound
CN105873665B (zh) 2013-12-02 2019-01-01 陶氏环球技术有限责任公司 用亚硝酸后处理的复合聚酰胺膜
WO2015084512A1 (en) 2013-12-02 2015-06-11 Dow Global Technologies Llc Composite polyamide membrane treated with dihyroxyaryl compounds and nitrous acid
WO2015105637A1 (en) 2014-01-09 2015-07-16 Dow Global Technologies Llc Composite polyamide membrane having high acid content and low azo content
JP6535011B2 (ja) 2014-01-09 2019-06-26 ダウ グローバル テクノロジーズ エルエルシー アゾ含有量及び高酸含有量を有する複合ポリアミド皮膜
AU2014376253B2 (en) 2014-01-09 2018-07-26 Dow Global Technologies Llc Composite polyamide membrane having preferred azo content
US9776141B2 (en) 2014-04-28 2017-10-03 Dow Global Technologies Llc Composite polyamide membrane post-treated with nitrous acid
JP6640739B2 (ja) 2014-05-14 2020-02-05 ダウ グローバル テクノロジーズ エルエルシー 亜硝酸で後処理される複合ポリアミド膜
US11472936B2 (en) 2018-02-21 2022-10-18 Cryovac, Llc Method and formulation for an isocyanate-free foam using isocyanate-free polyurethane chemistry
KR102129672B1 (ko) 2018-09-04 2020-07-02 도레이첨단소재 주식회사 역삼투분리막, 이의 제조방법 및 이를 포함하는 분리막 모듈
JP7403524B2 (ja) * 2019-02-28 2023-12-22 株式会社クラレ 複合中空糸膜、及び複合中空糸膜の製造方法
KR102267821B1 (ko) 2019-09-17 2021-06-21 도레이첨단소재 주식회사 나노분리막 및 이를 포함하는 분리막 모듈
KR102390219B1 (ko) 2020-08-07 2022-04-22 도레이첨단소재 주식회사 해수전처리용 나노분리막 및 이를 포함하는 분리막 모듈

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GB2189168B (en) * 1986-04-21 1989-11-29 Aligena Ag Composite membranes useful in the separation of low molecular weight organic compounds from aqueous solutions containing inorganic salts
DE3641702A1 (de) * 1986-12-06 1988-06-16 Bayer Ag Diisocyanate und diisocyanatgemische, ein verfahren zu ihrer herstellung und ihrer verwendung bei der herstellung von polyurethankunststoffen
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US5019264A (en) * 1990-07-31 1991-05-28 E. I. Du Pont De Nemours And Company Multilayer reverse osmosis membrane of polyamide-urea
US5085777A (en) * 1990-08-31 1992-02-04 E. I. Du Pont De Nemours And Company Reverse osmosis membranes of polyamideurethane

Also Published As

Publication number Publication date
IL99010A0 (en) 1992-07-15
DE69110795T2 (de) 1996-02-22
JPH0722688B2 (ja) 1995-03-15
US5019264A (en) 1991-05-28
EP0473290A2 (de) 1992-03-04
CA2047989C (en) 2004-09-21
JPH04281830A (ja) 1992-10-07
EP0473290B1 (de) 1995-06-28
PT98506A (pt) 1992-06-30
EP0612722A3 (de) 1994-09-07
AU635479B2 (en) 1993-03-18
IL99010A (en) 1995-12-31
AU8147391A (en) 1992-02-06
JPH07138222A (ja) 1995-05-30
CA2047989A1 (en) 1992-02-01
DE69110795D1 (de) 1995-08-03
EP0473290A3 (en) 1992-07-08
EP0612722A2 (de) 1994-08-31

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