ATE413914T1 - Zusammengesetzte membran mit polyalkyloxid modifizierter polyamidoberfläche - Google Patents

Zusammengesetzte membran mit polyalkyloxid modifizierter polyamidoberfläche

Info

Publication number
ATE413914T1
ATE413914T1 AT00932730T AT00932730T ATE413914T1 AT E413914 T1 ATE413914 T1 AT E413914T1 AT 00932730 T AT00932730 T AT 00932730T AT 00932730 T AT00932730 T AT 00932730T AT E413914 T1 ATE413914 T1 AT E413914T1
Authority
AT
Austria
Prior art keywords
composite membrane
polyalkyloxide
polyamide surface
modified polyamide
subject
Prior art date
Application number
AT00932730T
Other languages
English (en)
Inventor
William Mickols
Original Assignee
Dow Global Technologies 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 Dow Global Technologies Inc filed Critical Dow Global Technologies Inc
Application granted granted Critical
Publication of ATE413914T1 publication Critical patent/ATE413914T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/56Polyamides, e.g. polyester-amides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0093Chemical modification
    • B01D67/00931Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/125In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/38Graft polymerization
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31725Of polyamide
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31725Of polyamide
    • Y10T428/31728Next to second layer of polyamide
    • Y10T428/31732At least one layer is nylon type
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31725Of polyamide
    • Y10T428/31739Nylon type
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31725Of polyamide
    • Y10T428/31739Nylon type
    • Y10T428/31743Next to addition polymer from unsaturated monomer[s]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31725Of polyamide
    • Y10T428/31739Nylon type
    • Y10T428/31743Next to addition polymer from unsaturated monomer[s]
    • Y10T428/31746Polymer of monoethylenically unsaturated hydrocarbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
AT00932730T 1999-06-10 2000-05-23 Zusammengesetzte membran mit polyalkyloxid modifizierter polyamidoberfläche ATE413914T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/329,462 US6280853B1 (en) 1999-06-10 1999-06-10 Composite membrane with polyalkylene oxide modified polyamide surface

Publications (1)

Publication Number Publication Date
ATE413914T1 true ATE413914T1 (de) 2008-11-15

Family

ID=23285517

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00932730T ATE413914T1 (de) 1999-06-10 2000-05-23 Zusammengesetzte membran mit polyalkyloxid modifizierter polyamidoberfläche

Country Status (12)

Country Link
US (1) US6280853B1 (de)
EP (1) EP1200178B1 (de)
JP (1) JP2003501249A (de)
KR (1) KR100618454B1 (de)
CN (1) CN1180876C (de)
AT (1) ATE413914T1 (de)
AU (1) AU774426B2 (de)
CA (1) CA2374817C (de)
DE (1) DE60040791D1 (de)
ES (1) ES2312343T3 (de)
TW (1) TWI224980B (de)
WO (1) WO2000076641A1 (de)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9808689D0 (en) * 1998-04-23 1998-06-24 Kalsep Ltd Improved membrane
NL1012975C2 (nl) * 1999-09-03 2001-03-06 Stork Friesland Bv Werkwijze voor het verwijderen van organische stoffen (TOC), pesticiden, of andere stoffen uit een zoutoplossing.
US6913694B2 (en) * 2001-11-06 2005-07-05 Saehan Industries Incorporation Selective membrane having a high fouling resistance
KR100474169B1 (ko) * 2002-05-20 2005-03-08 주식회사 새 한 내오염성이 우수한 선택적 분리막 제조방법
DE10228148B4 (de) * 2002-06-24 2006-08-24 Saehan Industries Inc. Selektive Membran mit hoher Fouling-Beständigkeit
CN100427189C (zh) * 2002-07-16 2008-10-22 世韩工业株式会社 耐污染性优良的选择性分离膜的制造方法
IL164122A (en) * 2004-09-19 2009-09-22 Charles Linder Process for improving membranes
KR20080078860A (ko) * 2005-12-30 2008-08-28 쓰리엠 이노베이티브 프로퍼티즈 컴파니 기능화 기판
US7537697B2 (en) * 2006-02-01 2009-05-26 Woongjin Chemical Co., Ltd. Selective membrane having a high fouling resistance
US7913857B2 (en) * 2006-02-01 2011-03-29 Woongjin Chemical Co., Ltd. Selective membrane having a high fouling resistance
JP5151152B2 (ja) * 2006-03-29 2013-02-27 栗田工業株式会社 ナノろ過膜又は逆浸透膜の阻止率向上剤、阻止率向上方法、ナノろ過膜又は逆浸透膜、水処理方法、及び、水処理装置
US20070251883A1 (en) * 2006-04-28 2007-11-01 Niu Q Jason Reverse Osmosis Membrane with Branched Poly(Alkylene Oxide) Modified Antifouling Surface
CN101460237B (zh) * 2006-05-12 2013-09-04 陶氏环球技术有限责任公司 改性膜
CN101605592B (zh) * 2007-02-05 2011-10-12 陶氏环球技术公司 改性的聚酰胺膜
AU2007200609B2 (en) * 2007-02-13 2008-11-20 Saehan Industries Incorporation Selective membrane having a high fouling resistance
US20090098359A1 (en) * 2007-10-11 2009-04-16 Waller Jr Clinton P Hydrophilic porous substrates
DE102007060525A1 (de) * 2007-12-13 2009-06-18 Aksys Gmbh Schalldämpfungs-Luftführungskanal und Verfahren zur Herstellung eines Schalldämpfungs-Luftführungskanals
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
WO2009146321A1 (en) 2008-05-30 2009-12-03 3M Innovative Properties Company Ligand functionalized substrates
EP2294118B1 (de) 2008-05-30 2012-07-04 3M Innovative Properties Company Verfahren zur herstellung von ligandenfunktionalisierten substraten
KR20100003799A (ko) 2008-07-02 2010-01-12 웅진케미칼 주식회사 높은 안티파울링성을 가지는 선택적 분리막 및 그의제조방법
WO2010006196A2 (en) 2008-07-10 2010-01-14 Board Of Regents, The University Of Texas System Water purification membranes with improved fouling resistance
EP2191887A1 (de) * 2008-11-26 2010-06-02 Polymers CRC Limited Anklickbare Dünnschichtverbundpolyamidmembrane
US7815987B2 (en) * 2008-12-04 2010-10-19 Dow Global Technologies Inc. Polyamide membrane with coating of polyalkylene oxide and polyacrylamide compounds
EP2382032A1 (de) 2009-01-29 2011-11-02 Ben-Gurion University Of The Negev Research And Development Authority Verfahren zur modifizierung von verbundmembranen f?r fl?ssigkeitstrennungen
WO2010151447A1 (en) 2009-06-23 2010-12-29 3M Innovative Properties Company Functionalized nonwoven article
WO2011008549A2 (en) 2009-06-29 2011-01-20 NanoH2O Inc. Improved hybrid tfc ro membranes with nitrogen additives
CN102596376B (zh) 2009-10-19 2014-11-19 陶氏环球技术有限责任公司 测试螺旋卷组件的完整性的方法
WO2011053452A1 (en) 2009-10-27 2011-05-05 Dow Global Technologies Llc Method for applying tape layer to outer periphery of spiral wound module
US8529681B1 (en) 2010-01-07 2013-09-10 Sandia Corporation Biofouling-resistant ceragenin-modified materials and structures for water treatment
WO2011087536A1 (en) 2010-01-12 2011-07-21 Dow Global Technologies Llc Method of testing spiral wound modules by thermal imaging
US8377672B2 (en) 2010-02-18 2013-02-19 3M Innovative Properties Company Ligand functionalized polymers
KR101786140B1 (ko) 2010-03-03 2017-10-17 쓰리엠 이노베이티브 프로퍼티즈 컴파니 리간드 구아니디닐 기능화된 중합체
WO2011112351A1 (en) 2010-03-10 2011-09-15 Dow Global Technologies Llc Polyamide membrane with a coating comprising polyalkylene oxide and acetophenone compounds
CN102821837B (zh) * 2010-03-24 2015-07-15 陶氏环球技术有限责任公司 螺旋卷过滤组件
KR101136943B1 (ko) 2010-04-16 2012-04-20 한국과학기술연구원 내오염성이 향상된 친수성 분리막의 제조방법 및 상기 방법으로 제조된 친수성 분리막
WO2011136865A1 (en) 2010-04-26 2011-11-03 Dow Global Technologies Llc Polyamide membrane with a coating comprising polyalkylene oxide and triazine compounds
WO2011149573A1 (en) 2010-05-24 2011-12-01 Dow Global Technologies Llc Polyamide membrane with coating comprising polyalkylene oxide and oxy- substituted phenyl compounds
US8733558B2 (en) * 2010-05-24 2014-05-27 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and biguanide-type compounds
US8646616B2 (en) 2010-05-24 2014-02-11 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and imidazol compounds
US8857629B2 (en) 2010-07-15 2014-10-14 International Business Machines Corporation Composite membrane with multi-layered active layer
US8727135B2 (en) 2010-09-01 2014-05-20 International Business Machines Corporation Composite filtration membranes and methods of preparation thereof
US8709536B2 (en) 2010-09-01 2014-04-29 International Business Machines Corporation Composite filtration membranes and methods of preparation thereof
CN103068472B (zh) 2010-10-26 2015-04-29 陶氏环球技术有限责任公司 包括具不同渗透率区域的膜片的螺旋卷组件
ES2524318T3 (es) 2011-01-24 2014-12-05 Dow Global Technologies Llc Método para preparar una membrana de poliamida de material compuesto
JP5912133B2 (ja) 2011-01-24 2016-04-27 ダウ グローバル テクノロジーズ エルエルシー 複合ポリアミド膜
JP5934252B2 (ja) 2011-01-24 2016-06-15 ダウ グローバル テクノロジーズ エルエルシー 複合ポリアミド膜
KR101240956B1 (ko) 2011-02-18 2013-03-11 웅진케미칼 주식회사 내오염성능이 우수한 역삼투 복합막 및 그의 제조방법
US9022227B2 (en) 2011-03-21 2015-05-05 International Business Machines Corporation Composite membranes and methods of preparation thereof
US8778182B2 (en) 2011-07-28 2014-07-15 Dow Global Technologies Llc Spiral wound element and seal assembly
CN103764264B (zh) 2011-08-31 2016-11-16 陶氏环球技术有限责任公司 源自包含胺反应性官能团和含磷官能团的单体的复合聚酰胺膜
ES2556832T3 (es) 2011-09-29 2016-01-20 Dow Global Technologies Llc Membrana de poliamida compuesta derivada de monómero de haluro de acilo que contiene ácido carboxílico
US9029600B2 (en) 2011-09-29 2015-05-12 Dow Global Technologies Llc Method for preparing high purity mono-hydrolyzed acyl halide compound
JP6018222B2 (ja) 2012-01-06 2016-11-02 ダウ グローバル テクノロジーズ エルエルシー 複合ポリアミド膜
US9561474B2 (en) 2012-06-07 2017-02-07 International Business Machines Corporation Composite membrane with multi-layered active layer
US9662615B2 (en) 2012-07-19 2017-05-30 Dow Global Technologies Llc Composite polyamide membrane
EP2929928B1 (de) * 2012-11-05 2019-11-13 LG Chem, Ltd. Wasseraufbereitungsmembran auf polyamidbasis mit verbessertem verschmutzungswiderstand und herstellungsverfahren dafür
JP2016511288A (ja) 2012-12-17 2016-04-14 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se 改善された流束を有する膜および前記膜の製造方法
US9895666B2 (en) 2013-01-14 2018-02-20 Dow Global Technologies Llc Composite polyamide membrane made using substituted benzamide monomer
CN104918687A (zh) 2013-01-14 2015-09-16 陶氏环球技术有限责任公司 使用非极性溶剂的掺合物经由界面聚合制造复合聚酰胺膜
MX2015010853A (es) 2013-02-21 2016-07-20 Univ California Modificaciones universales de superficie escalables y rentables.
US9533262B2 (en) 2013-03-14 2017-01-03 Dow Global Technologies Llc Composite polyamide membrane including dissolvable polymer coating
US9289729B2 (en) 2013-03-16 2016-03-22 Dow Global Technologies Llc Composite polyamide membrane derived from carboxylic acid containing acyl halide monomer
US9051417B2 (en) 2013-03-16 2015-06-09 Dow Global Technologies Llc Method for solubilizing carboxylic acid-containing compound in hydrocarbon solvent
US9051227B2 (en) 2013-03-16 2015-06-09 Dow Global Technologies Llc In-situ method for preparing hydrolyzed acyl halide compound
CN105163837B (zh) * 2013-05-03 2017-05-10 陶氏环球技术有限责任公司 衍生自脂肪族非环状叔胺化合物的复合聚酰胺膜
CN106170333B (zh) 2013-12-02 2019-02-15 陶氏环球技术有限责任公司 用二羟基芳基化合物和亚硝酸处理的复合聚酰胺膜
EP3077088B1 (de) 2013-12-02 2017-12-27 Dow Global Technologies LLC Methode zur herstellung einer mit salpetriger säure nachbehandelten polyamid-kompositmembran
US20160304363A1 (en) 2014-01-07 2016-10-20 Dow Global Technologies Llc Separation of hydrocarbons from aqueous mixture using fouling resistant reverse osmosis membrane
CA2935680C (en) 2014-01-07 2022-01-18 Dow Global Technologies Llc Treatment of aqueous mixtures containing anionic surfactants using fouling resistant reverse osmosis membrane
JP6535010B2 (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 好ましいアゾ含有量を有する複合ポリアミド皮膜
WO2015105636A1 (en) 2014-01-09 2015-07-16 Dow Global Technologies Llc Composite polyamide membrane having azo content and high acid content
CN105873666B (zh) 2014-01-09 2019-11-01 陶氏环球技术有限责任公司 具有高酸含量和低偶氮含量的复合聚酰胺膜
CN105916573A (zh) 2014-01-31 2016-08-31 陶氏环球技术有限责任公司 包括纤维素基季铵涂层的复合聚酰胺膜
JP2017513703A (ja) 2014-04-28 2017-06-01 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
KR102359211B1 (ko) 2014-05-14 2022-02-07 다우 글로벌 테크놀로지스 엘엘씨 아질산으로 후처리된 복합 폴리아미드 막
JP6633545B2 (ja) 2014-05-14 2020-01-22 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
CN104190272A (zh) * 2014-09-04 2014-12-10 北京碧水源膜科技有限公司 一种抗污染复合反渗透膜及其制备方法
DE102015214896A1 (de) * 2015-08-05 2017-02-09 Leibniz-Institut Für Polymerforschung Dresden E.V. Membranen und Verfahren zur ihrer Herstellung
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
KR102015023B1 (ko) * 2015-09-10 2019-10-23 주식회사 엘지화학 폴리아미드 계면중합용 조성물, 이를 이용한 역삼투막의 제조방법 및 상기 화합물을 포함하는 역삼투막 및 수처리 모듈
US20180366756A1 (en) * 2015-12-18 2018-12-20 Kemira Oyj Microbial fuel cell and its use
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
US11198100B2 (en) * 2016-06-29 2021-12-14 Toray Industries, Inc. Composite semipermeable membrane and method for producing composite semipermeable membrane
US10842148B2 (en) 2016-06-30 2020-11-24 The Hong Kong University Of Science And Technology Colloidal antimicrobial and anti-biofouling coatings for surfaces
CN110248924A (zh) 2016-12-01 2019-09-17 加州大学评议会 能量提供装置及其应用
SG11202004599WA (en) 2017-12-01 2020-06-29 Univ California Biofouling resistant coatings and methods of making and using the same
EP3760303B1 (de) 2018-02-28 2024-02-21 Toray Industries, Inc. Semipermeable verbundmembran und semipermeables verbundmembranelement
CN111787998B (zh) 2018-02-28 2021-08-24 东丽株式会社 复合半透膜及复合半透膜元件
CN109337110B (zh) * 2018-08-28 2021-07-30 广东联城住工装备信息科技有限公司 防水透气膜及其制备方法
CN113226527B (zh) 2018-12-26 2023-07-18 东丽株式会社 复合半透膜
ES3017384T3 (en) 2019-06-05 2025-05-12 The Regents Of Univ Of California Biofouling resistant coatings and methods of making and using the same
US11278847B2 (en) 2019-07-30 2022-03-22 NL Chemical Technology, Inc Reverse osmosis membrane with hydrogel coating
CN112973472B (zh) * 2021-02-19 2022-07-19 武汉大学苏州研究院 一种薄层复合膜的功能化方法
CN113398784A (zh) * 2021-05-28 2021-09-17 北京碧水源分离膜科技有限公司 新型纳滤膜的制备方法
CN115738768B (zh) * 2022-12-19 2025-11-28 湖南沁森高科新材料有限公司 一种高脱盐率的聚酰胺反渗透膜及其制备方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125552A (en) 1960-09-21 1964-03-17 Epoxidized poly amides
DE1196160B (de) 1961-12-22 1965-07-08 Bayer Ag Verfahren zur Herstellung von Anionen-Austauscher-Membranen, bestehend aus einem Anionenaustauscherharz und einem Stuetzgewebe
US3472766A (en) * 1968-01-10 1969-10-14 Dow Chemical Co Separatory process utilizing a permeable polyamide membrane having poly (oxyethylene) grafts
US4280970A (en) * 1979-01-19 1981-07-28 Puropore Inc. Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate
US4277344A (en) 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
US4473475A (en) 1981-05-29 1984-09-25 Amf Inc. Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids
US4737291A (en) 1981-05-29 1988-04-12 Cuno Incorporated Charge modified microporous membrane
US4743418A (en) 1981-05-29 1988-05-10 Cuno Incorporated Process for charge modifying a microporous membrane
US4765897A (en) 1986-04-28 1988-08-23 The Dow Chemical Company Polyamide membranes useful for water softening
US4828700A (en) 1987-07-20 1989-05-09 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
US4976897A (en) 1987-12-16 1990-12-11 Hoechst Celanese Corporation Composite porous membranes and methods of making the same
NZ224633A (en) 1988-04-13 1990-08-28 Du Pont Process for sealing gas separation membranes by forming polymer on the surface thereof
JP2757202B2 (ja) * 1989-04-20 1998-05-25 東ソー株式会社 エポキシ基含有ポリアミド樹脂及びその製造方法
US4964998A (en) 1989-12-13 1990-10-23 Filmtec Corporation Use of treated composite polyamide membranes to separate concentrated solute
US4960517A (en) 1989-12-13 1990-10-02 Filmtec Corporation Treatment of composite polyamide membranes via substitution with amine reactive reagents
JP2866981B2 (ja) * 1990-08-10 1999-03-08 日東電工株式会社 複合半透膜
US5266391A (en) 1992-12-18 1993-11-30 Hoechst Celanese Corporation Composite porous membranes
BR9406440A (pt) 1993-02-02 1996-02-27 North West Water Group Plc Membrana de osmose reversa membrana compósita de multicamadas processo para a preparaçao de uma membrana de osmose reversa e processo de osmose reversa
US5350805A (en) 1993-06-10 1994-09-27 Koch Membrane Systems, Inc. Epoxide-direct grafted halogenated vinyl polymers
US5525236A (en) * 1995-04-12 1996-06-11 Wilkinson; Kenneth Reverse osmosis purification of water
US5755964A (en) 1996-02-02 1998-05-26 The Dow Chemical Company Method of treating polyamide membranes to increase flux
US5658460A (en) 1996-05-07 1997-08-19 The Dow Chemical Company Use of inorganic ammonium cation salts to maintain the flux and salt rejection characteristics of reverse osmosis and nanofiltration membranes during drying
US5942120A (en) 1997-12-04 1999-08-24 Wilkinson; Kenneth Composite microporous ultrafiltration membrane, method of making thereof, and separation methods

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KR20020012262A (ko) 2002-02-15
CN1180876C (zh) 2004-12-22
TWI224980B (en) 2004-12-11
AU774426B2 (en) 2004-06-24
CA2374817C (en) 2008-02-19
CA2374817A1 (en) 2000-12-21
KR100618454B1 (ko) 2006-08-31
WO2000076641A1 (en) 2000-12-21
ES2312343T3 (es) 2009-03-01
US6280853B1 (en) 2001-08-28
EP1200178A1 (de) 2002-05-02
EP1200178B1 (de) 2008-11-12
CN1353626A (zh) 2002-06-12
DE60040791D1 (de) 2008-12-24
AU5041200A (en) 2001-01-02

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