JPS56500062A - - Google Patents

Info

Publication number
JPS56500062A
JPS56500062A JP50038280A JP50038280A JPS56500062A JP S56500062 A JPS56500062 A JP S56500062A JP 50038280 A JP50038280 A JP 50038280A JP 50038280 A JP50038280 A JP 50038280A JP S56500062 A JPS56500062 A JP S56500062A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP50038280A
Other languages
Japanese (ja)
Other versions
JPH0138522B2 (US20080094685A1-20080424-C00004.png
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 filed Critical
Publication of JPS56500062A publication Critical patent/JPS56500062A/ja
Publication of JPH0138522B2 publication Critical patent/JPH0138522B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28Preparatory processes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/0622Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
    • C08G73/0633Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only two nitrogen atoms in the ring

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)
JP55500382A 1979-01-10 1980-01-10 Expired JPH0138522B2 (US20080094685A1-20080424-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/002,396 US4259183A (en) 1978-11-07 1979-01-10 Reverse osmosis membrane

Publications (2)

Publication Number Publication Date
JPS56500062A true JPS56500062A (US20080094685A1-20080424-C00004.png) 1981-01-22
JPH0138522B2 JPH0138522B2 (US20080094685A1-20080424-C00004.png) 1989-08-15

Family

ID=21700568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55500382A Expired JPH0138522B2 (US20080094685A1-20080424-C00004.png) 1979-01-10 1980-01-10

Country Status (6)

Country Link
US (1) US4259183A (US20080094685A1-20080424-C00004.png)
EP (2) EP0014054B1 (US20080094685A1-20080424-C00004.png)
JP (1) JPH0138522B2 (US20080094685A1-20080424-C00004.png)
CA (1) CA1144433A (US20080094685A1-20080424-C00004.png)
DE (1) DE3064461D1 (US20080094685A1-20080424-C00004.png)
WO (1) WO1980001464A1 (US20080094685A1-20080424-C00004.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139802A (en) * 1979-04-19 1980-11-01 Teijin Ltd Compound film of selective permeability
US4758343A (en) * 1985-09-20 1988-07-19 Toray Industries, Inc. Interfacially synthesized reverse osmosis membrane
WO2014104241A1 (ja) * 2012-12-27 2014-07-03 東レ株式会社 複合半透膜
JP2014531979A (ja) * 2011-09-29 2014-12-04 ダウ グローバル テクノロジーズ エルエルシー ハロゲン化アシルモノマーを含有するカルボン酸由来の複合ポリアミド膜

Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337154A (en) * 1979-04-04 1982-06-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Crosslinked composite semipermeable membrane
EP0025973B1 (de) * 1979-09-19 1985-01-23 Aligena Ag Poröse, semipermeable, durch Amidoximgruppen modifizierte Membran auf der Basis von Polyacrylnitrilen, Verfahren zu ihrer Herstellung und ihre Verwendung
EP0056175B1 (en) * 1981-01-13 1985-05-02 Teijin Limited Ion-permeable composite membrane and its use in selective separation
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
JPS5824303A (ja) * 1981-08-03 1983-02-14 Teijin Ltd 耐酸化性複合半透膜
US4606943A (en) * 1983-03-18 1986-08-19 Culligan International Company Method for preparation of semipermeable composite membrane
DE3481709D1 (de) * 1983-10-18 1990-04-26 Memtec Ltd Poroese membrane aus substituierten aliphatischen polyamiden.
US4761234A (en) * 1985-08-05 1988-08-02 Toray Industries, Inc. Interfacially synthesized reverse osmosis membrane
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
US4824574A (en) * 1986-04-28 1989-04-25 The Dow Chemical Company Novel water softening process using membranes
US4812270A (en) * 1986-04-28 1989-03-14 Filmtec Corporation Novel water softening membranes
US4765897A (en) * 1986-04-28 1988-08-23 The Dow Chemical Company Polyamide membranes useful for water softening
DE3623796A1 (de) * 1986-07-15 1988-01-28 Dow Chemical Rheinwerk Gmbh Vorrichtung und adsorptionsverfahren zur selektiven entfernung von ionen aus fluessigkeiten
US4812238A (en) * 1987-01-15 1989-03-14 The Dow Chemical Company Membranes prepared via reaction of diazonium compounds or precursors
US4888116A (en) * 1987-01-15 1989-12-19 The Dow Chemical Company Method of improving membrane properties via reaction of diazonium compounds or precursors
WO1988010141A1 (en) * 1987-06-25 1988-12-29 Atlas Copco Aktiebolag A process for production of a semi-permeable membrane, a membranemanufactured by said process and the use of such a membrane for gas or liquid separation
WO1988010140A1 (en) * 1987-06-25 1988-12-29 Atlas Copco Aktiebolag A method for improving the separation properties of semi-permeable membranes and membranes accordingly improved
US4853122A (en) * 1987-09-15 1989-08-01 Bend Research, Inc. P-xylylenediamide/diimide composite RO 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
US5091216A (en) * 1988-04-13 1992-02-25 E. I. Du Pont De Nemours And Company Reactive post treatment for gas separation membranes
US4802984A (en) * 1988-05-04 1989-02-07 Ionics, Incorporated Composite semipermeable membrane
US4872984A (en) * 1988-09-28 1989-10-10 Hydranautics Corporation Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
US4876009A (en) * 1988-10-21 1989-10-24 Bend Research, Inc. Tetrakis-amido high flux membranes
US5015380A (en) * 1989-04-20 1991-05-14 E. I. Du Pont De Nemours And Company Microporous support layer with interfacially polymerized copolyamide membrane thereon
US5015382A (en) * 1989-04-20 1991-05-14 E. I. Du Pont De Nemours And Company Microporous support layer with interfacially polymerized copolyamide membrane thereon
GB8918888D0 (en) * 1989-08-18 1989-09-27 Lrc Products Production of thin walled hollow polymeric articles and polymeric coatings on substrates
US4983291A (en) * 1989-12-14 1991-01-08 Allied-Signal Inc. Dry high flux semipermeable membranes
US5173335A (en) * 1990-07-31 1992-12-22 E. I. Du Pont De Nemours And Company Method of producing multilayer reverse osmosis membrane of polyamide-urea
US5118424A (en) * 1990-11-30 1992-06-02 Ionics Incorporated Thin film composite membranes from vinyl and related nomomers
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
US5271843A (en) * 1991-09-09 1993-12-21 Allied-Signal Inc. Chlorine-tolerant, thin-film composite membrane
US5234598A (en) * 1992-05-13 1993-08-10 Allied-Signal Inc. Thin-film composite membrane
US5262054A (en) * 1992-12-30 1993-11-16 E. I. Du Pont De Nemours And Company Process for opening reverse osmosis membranes
US5368889A (en) * 1993-04-16 1994-11-29 The Dow Chemical Company Method of making thin film composite membranes
US5616249A (en) * 1993-05-20 1997-04-01 Ionics, Incorporated Nanofiltration apparatus and processes
BE1007425A3 (nl) * 1993-08-30 1995-06-13 Holland Sweetener Co Werkwijze en inrichting voor de terugwinning van grondstoffen in het aspartaambereidingsproces.
US5783079A (en) * 1994-08-29 1998-07-21 Toyo Boseki Kabushiki Kaisha Composite hollow fiber membrane and process for its production
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
JP3489922B2 (ja) * 1994-12-22 2004-01-26 日東電工株式会社 高透過性複合逆浸透膜の製造方法
US5582725A (en) * 1995-05-19 1996-12-10 Bend Research, Inc. Chlorine-resistant composite membranes with high organic rejection
KR100490507B1 (ko) * 1996-10-10 2005-05-19 네오스 테크놀로지스, 인크. 한외 여과, 역 삼투 및 나노 여과를 사용하는 탄수화물의 정제
IL119490A (en) * 1996-10-25 2000-06-01 Weizmann Kiryat Membrane Prod Process for producing a tubular membrane assembly
US6517343B2 (en) 1997-09-26 2003-02-11 Arizona Chemical Company Coated candles and coating compositions
US5922203A (en) * 1997-10-07 1999-07-13 Hydranautics Amine monomers and their use in preparing interfacially synthesized membranes for reverse osmosis and nanofiltration
US6145588A (en) * 1998-08-03 2000-11-14 Xetex, Inc. Air-to-air heat and moisture exchanger incorporating a composite material for separating moisture from air technical field
US6268466B1 (en) 1999-01-04 2001-07-31 Arizona Chemical Company Tertiary amide terminated polyamides and uses thereof
US6503077B2 (en) 1999-01-04 2003-01-07 Arizona Chemical Company Gelled articles containing tertiary amide-terminated polyamide
US6592857B2 (en) 1999-01-04 2003-07-15 Arizona Chemical Company Tertiary amide terminated polyamides in cosmetics
US20030136727A1 (en) * 1999-05-27 2003-07-24 Hideki Yamada Composite semipermeable membrane
US6464873B1 (en) * 1999-06-15 2002-10-15 Hydranautics Interfacially polymerized, bipiperidine-polyamide membranes for reverse osmosis and/or nanofiltration and process for making the same
KR100474170B1 (ko) * 2000-04-14 2005-03-07 주식회사 새 한 폴리아미드 나노복합막 및 그 제조방법
BR0003677A (pt) * 2000-08-07 2002-03-26 Osmonics Inc Método de recuperação secundária de petróleo
US6955222B2 (en) * 2000-08-07 2005-10-18 Ge Osmonics, Inc. Method for secondary oil recovery
US7001518B1 (en) 2000-11-28 2006-02-21 Hydranautics Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof
KR100477591B1 (ko) * 2001-01-17 2005-03-18 주식회사 새 한 폴리아마이드 역삼투 복합막 및 그 제조방법
AU784308B2 (en) * 2001-02-06 2006-03-09 Saehan Industries Incorporation Composite polyamide reverse osmosis membrane and method for producing the same
KR100477592B1 (ko) * 2001-02-07 2005-03-18 주식회사 새 한 폴리아마이드 역삼투 복합막 및 그 제조방법
EP1230971B1 (en) * 2001-02-12 2005-05-11 Saehan Industries, Inc. Composite polyamide reverse osmosis membrane and method for producing the same
US6552160B2 (en) * 2001-05-14 2003-04-22 Arizona Chemical Company Ester-terminated poly(ester-amides) useful for formulating transparent gels in low polarity fluids
DE10129458A1 (de) * 2001-06-19 2003-01-02 Celanese Ventures Gmbh Verbesserte Polymerfolien auf Basis von Polyazolen
US7156997B2 (en) * 2001-10-05 2007-01-02 Dow Global Technologies Inc. Package assembly for piperazine-based membranes
US7279097B2 (en) 2003-06-18 2007-10-09 Toray Industries, Inc. Composite semipermeable membrane, and production process thereof
US20060207930A1 (en) * 2005-03-15 2006-09-21 Yeager Gary W Interfacial composite structure and method of making them
US20080135482A1 (en) * 2006-11-27 2008-06-12 Kripal Singh Polyamide nanofiltration membrane useful for the removal of phospholipids
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
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
US8177978B2 (en) * 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
US8147735B2 (en) * 2008-07-09 2012-04-03 Eltron Research & Development, Inc. Semipermeable polymers and method for producing same
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
GB201012083D0 (en) 2010-07-19 2010-09-01 Imp Innovations Ltd Thin film composite membranes for separation
DE102010034700A1 (de) 2010-08-18 2012-02-23 Merck Patent Gmbh Membran mit selektiv permeabler Polymerschicht
JP5968328B2 (ja) 2010-11-10 2016-08-10 ナノエイチツーオー・インコーポレーテッド 非金属添加剤を含む改良された混成tfcro膜
MX2013005706A (es) * 2010-12-13 2013-07-05 Syngenta Participations Ag Proteinas cry1i y genes para el control de insectos.
US20120152839A1 (en) * 2010-12-20 2012-06-21 David Allen Olson Modified sulfonamide polymeric matrices
WO2012102944A1 (en) 2011-01-24 2012-08-02 Dow Global Technologies Llc Composite polyamide membrane
ES2524318T3 (es) 2011-01-24 2014-12-05 Dow Global Technologies Llc Método para preparar una membrana de poliamida de material compuesto
EP2632575B1 (en) 2011-01-24 2016-04-27 Dow Global Technologies LLC Method for making a composite polyamide membrane
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
GB201117950D0 (en) 2011-10-18 2011-11-30 Imp Innovations Ltd Membranes for separation
EP2776146B1 (en) 2012-01-06 2020-05-13 DDP Specialty Electronic Materials US, Inc. Method of preparation of a composite polyamide membrane
RU2492916C1 (ru) * 2012-03-12 2013-09-20 Закрытое акционерное общество "РМ Нанотех" Композитная полимерная мембрана для нанофильтрации и способ ее получения
EP2836290A4 (en) 2012-04-09 2016-01-06 3M Innovative Properties Co THIN-FILM COMPOSITE MEMBRANE STRUCTURES
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
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
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
AU2014376253B2 (en) 2014-01-09 2018-07-26 Dow Global Technologies Llc Composite polyamide membrane having preferred 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
WO2015105637A1 (en) 2014-01-09 2015-07-16 Dow Global Technologies Llc Composite polyamide membrane having high acid content and low 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
US20170050152A1 (en) 2014-05-14 2017-02-23 Dow Global Technologies Llc Composite polyamide membrane post treated with nitrous acid
JP6654576B2 (ja) 2014-05-14 2020-02-26 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
US9795928B2 (en) 2014-06-24 2017-10-24 Nano And Advanced Materials Institute Limited Stepwise interfacial polymerization technique with different reagent solution designs to prepare hollow fiber nanofiltration membrane composites
US11167249B2 (en) * 2015-07-31 2021-11-09 Toray Industries, Inc. Separation membrane, separation membrane element, water purifier, and method for producing separation membrane
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
CN106914139A (zh) * 2015-12-24 2017-07-04 通用电气公司 制备膜的方法及相应的膜和过滤元件
US9737859B2 (en) 2016-01-11 2017-08-22 Lg Nanoh2O, Inc. Process for improved water flux through a TFC membrane
US10960359B2 (en) * 2016-02-05 2021-03-30 King Abdullah University Of Science And Technology Method of making reaction induced phase separation membranes and uses thereof
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
KR101997137B1 (ko) 2017-01-06 2019-07-08 한국화학연구원 붕소 제거능이 우수한 역삼투막 및 이의 제조방법
US10646829B2 (en) 2017-06-22 2020-05-12 Teledyne Scientific & Imaging, Llc High flux, chlorine resistant coating for sulfate removal membranes
KR102169136B1 (ko) 2017-11-15 2020-10-23 한국화학연구원 가교반응을 통한 멤브레인 및 이의 제조방법
KR102169137B1 (ko) 2017-11-15 2020-10-23 한국화학연구원 염 제거율 및 보론 제거율이 향상된 폴리아미드 복합 멤브레인 및 이의 제조방법
WO2019154831A1 (en) 2018-02-06 2019-08-15 Aquaporin A/S Tubular membrane, method for preparation thereof, and tubular membrane module
US10124297B1 (en) * 2018-03-06 2018-11-13 Kuwait Institute For Scientific Research Thin film nanocomposite nanofiltration membrane
JP2023509614A (ja) * 2019-12-27 2023-03-09 カウンスィル オブ サイエンティフィック アンド インダストリアル リサーチ 高選択性超薄型ポリマーナノフィルム複合膜およびその調製方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49133282A (US20080094685A1-20080424-C00004.png) * 1972-09-19 1974-12-20
JPS53146275A (en) * 1977-05-27 1978-12-20 Teijin Ltd Production of selective permeative-membrane of high water permeability
JPS53149874A (en) * 1977-06-03 1978-12-27 Nippon Shokubai Kagaku Kogyo Co Ltd Production of compound semipermeable membrane
JPS5535910A (en) * 1978-09-06 1980-03-13 Teijin Ltd Permselectivity composite membrane and preparation thereof
JPS5549106A (en) * 1978-10-06 1980-04-09 Teijin Ltd Selective permeable composite membrane and production thereof

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551244A (en) * 1968-04-03 1970-12-29 North Star Research & Dev Inst Method of producing an ultrathin polymer film laminate
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
US3687842A (en) * 1969-07-08 1972-08-29 Consiglio Nazionale Ricerche Osmosis process
US3696031A (en) * 1969-07-08 1972-10-03 Consiglio Nazionale Ricerche Osmosis process
US3600350A (en) * 1970-04-20 1971-08-17 Du Pont Poly(p-benzamide) composition,process and product
US3699038A (en) * 1970-04-22 1972-10-17 Celanese Corp Production of improved semipermeable polybenzimidazole membranes
US3744642A (en) * 1970-12-30 1973-07-10 Westinghouse Electric Corp Interface condensation desalination membranes
US3904519A (en) * 1971-10-19 1975-09-09 Us Interior Reverse osmosis process using crosslinked aromatic polyamide membranes
US3948823A (en) * 1972-08-01 1976-04-06 Allied Chemical Corporation Method of making permselective interpolymer membranes
JPS5223346B2 (US20080094685A1-20080424-C00004.png) * 1972-08-30 1977-06-23
US4039440A (en) * 1972-09-19 1977-08-02 The United States Of America As Represented By The Secretary Of The Interior Reverse osmosis membrane
GB1462171A (en) * 1972-12-21 1977-01-19 Nederlandse Appl Scient Res Process for making thin polymer foils and their use in a dynamic membrane
US3993625A (en) * 1973-05-28 1976-11-23 Toray Industries, Inc. Permselective polymeric membranes of organic polyamide or polyhydrazide
US3951789A (en) * 1973-10-11 1976-04-20 Allied Chemical Corporation Novel high diffusivity membranes
US4085090A (en) * 1974-05-31 1978-04-18 Teijin Limited Aromatic polymers containing a nitrogen-containing ring group, and process for preparation thereof
US3951815A (en) * 1974-09-05 1976-04-20 Universal Oil Products Company Composite semipermeable membranes made from polyethylenimine
US3926798A (en) * 1974-10-17 1975-12-16 Us Interior Reverse osmosis membrane
JPS5633961B2 (US20080094685A1-20080424-C00004.png) * 1974-12-19 1981-08-07
US4020142A (en) * 1975-08-21 1977-04-26 Celanese Corporation Chemical modification of polybenzimidazole semipermeable
US4005012A (en) * 1975-09-22 1977-01-25 The United States Of America As Represented By The Secretary Of The Interior Semipermeable membranes and the method for the preparation thereof
US4265745A (en) * 1977-05-25 1981-05-05 Teijin Limited Permselective membrane
JPS54151570A (en) * 1978-05-22 1979-11-28 Teijin Ltd Selectively permeable composite membrane and its manufacture
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49133282A (US20080094685A1-20080424-C00004.png) * 1972-09-19 1974-12-20
JPS53146275A (en) * 1977-05-27 1978-12-20 Teijin Ltd Production of selective permeative-membrane of high water permeability
JPS53149874A (en) * 1977-06-03 1978-12-27 Nippon Shokubai Kagaku Kogyo Co Ltd Production of compound semipermeable membrane
JPS5535910A (en) * 1978-09-06 1980-03-13 Teijin Ltd Permselectivity composite membrane and preparation thereof
JPS5549106A (en) * 1978-10-06 1980-04-09 Teijin Ltd Selective permeable composite membrane and production thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139802A (en) * 1979-04-19 1980-11-01 Teijin Ltd Compound film of selective permeability
US4758343A (en) * 1985-09-20 1988-07-19 Toray Industries, Inc. Interfacially synthesized reverse osmosis membrane
US4857363A (en) * 1985-09-20 1989-08-15 Toray Industries, Inc. Process for preparation of semipermeable composite membrane
JP2014531979A (ja) * 2011-09-29 2014-12-04 ダウ グローバル テクノロジーズ エルエルシー ハロゲン化アシルモノマーを含有するカルボン酸由来の複合ポリアミド膜
WO2014104241A1 (ja) * 2012-12-27 2014-07-03 東レ株式会社 複合半透膜
JPWO2014104241A1 (ja) * 2012-12-27 2017-01-19 東レ株式会社 複合半透膜

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EP0022827A1 (en) 1981-01-28
CA1144433A (en) 1983-04-12
JPH0138522B2 (US20080094685A1-20080424-C00004.png) 1989-08-15
DE3064461D1 (en) 1983-09-08
WO1980001464A1 (en) 1980-07-24
EP0014054A1 (en) 1980-08-06
EP0014054B1 (en) 1983-08-03

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