IL75939A - Production of composite membranes - Google Patents

Production of composite membranes

Info

Publication number
IL75939A
IL75939A IL75939A IL7593985A IL75939A IL 75939 A IL75939 A IL 75939A IL 75939 A IL75939 A IL 75939A IL 7593985 A IL7593985 A IL 7593985A IL 75939 A IL75939 A IL 75939A
Authority
IL
Israel
Prior art keywords
production
composite membranes
membranes
composite
Prior art date
Application number
IL75939A
Other languages
English (en)
Other versions
IL75939A0 (en
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 IL75939A0 publication Critical patent/IL75939A0/xx
Publication of IL75939A publication Critical patent/IL75939A/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
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
IL75939A 1984-07-30 1985-07-29 Production of composite membranes IL75939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/635,746 US4520044A (en) 1984-07-30 1984-07-30 Production of composite membranes

Publications (2)

Publication Number Publication Date
IL75939A0 IL75939A0 (en) 1985-12-31
IL75939A true IL75939A (en) 1988-06-30

Family

ID=24548950

Family Applications (1)

Application Number Title Priority Date Filing Date
IL75939A IL75939A (en) 1984-07-30 1985-07-29 Production of composite membranes

Country Status (10)

Country Link
US (1) US4520044A (xx)
EP (1) EP0170232B1 (xx)
JP (1) JPS6142308A (xx)
AU (1) AU588818B2 (xx)
CA (1) CA1246816A (xx)
DE (1) DE3569476D1 (xx)
DK (1) DK344185A (xx)
ES (1) ES8607034A1 (xx)
IL (1) IL75939A (xx)
MX (1) MX164977B (xx)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4643829A (en) * 1984-07-30 1987-02-17 E. I. Du Pont De Nemours And Company Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene cyclohexane-1,3,5-tricarboxamide
US4704324A (en) * 1985-04-03 1987-11-03 The Dow Chemical Company Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
US4695383A (en) * 1986-03-12 1987-09-22 Toyo Boseki Kabushiki Kaisha Permselective membrane
US4719062A (en) * 1986-04-23 1988-01-12 E. I. Du Pont De Nemours And Company Extractant-surfactant post-treatments of permselective composite membranes
US4626468A (en) * 1986-04-23 1986-12-02 E. I. Du Pont De Nemours And Company Microporous support layer with interfacially polymerized copolyamide thereon
US4765897A (en) * 1986-04-28 1988-08-23 The Dow Chemical Company Polyamide membranes useful for water softening
US4812270A (en) * 1986-04-28 1989-03-14 Filmtec Corporation Novel water softening membranes
US4824574A (en) * 1986-04-28 1989-04-25 The Dow Chemical Company Novel water softening process using membranes
JPS6312310A (ja) * 1986-07-04 1988-01-19 Toray Ind Inc 半透性複合膜の製造方法
US4908267A (en) * 1986-10-10 1990-03-13 Hoechst Celanese Corp. Ultrathin polyether sulfone films and their preparation
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
US4894165A (en) * 1987-07-20 1990-01-16 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4909943A (en) * 1987-07-20 1990-03-20 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4783346A (en) * 1987-12-10 1988-11-08 E. I. Du Pont De Nemours And Company Process for preparing composite membranes
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
US4950404A (en) * 1989-08-30 1990-08-21 Allied-Signal Inc. High flux semipermeable membranes
US4983291A (en) * 1989-12-14 1991-01-08 Allied-Signal Inc. Dry high flux semipermeable membranes
CA2062638A1 (en) * 1991-03-12 1992-09-13 Seriya Takahashi Process for producing composite semipermeable membrane
US5254261A (en) * 1991-08-12 1993-10-19 Hydranautics Interfacially synthesized reverse osmosis membranes and processes for preparing the same
US5246587A (en) * 1991-12-23 1993-09-21 Hydranautics Interfacially synthesized reverse osmosis membranes and processes for preparing the same
US5368889A (en) * 1993-04-16 1994-11-29 The Dow Chemical Company Method of making thin film composite membranes
US5614099A (en) * 1994-12-22 1997-03-25 Nitto Denko Corporation Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same
US5989426A (en) * 1995-07-05 1999-11-23 Nitto Denko Corp. Osmosis membrane
US6171497B1 (en) 1996-01-24 2001-01-09 Nitto Denko Corporation Highly permeable composite reverse osmosis membrane
EP0888810B1 (en) 1996-03-18 2006-06-21 Nitto Denko Corporation Composite reverse osmosis membrane and method of reverse osmotic treatment of water using the same
JP3681214B2 (ja) * 1996-03-21 2005-08-10 日東電工株式会社 高透過性複合逆浸透膜
US6026968A (en) * 1996-05-13 2000-02-22 Nitto Denko Corporation Reverse osmosis composite membrane
US6413425B1 (en) 1997-04-10 2002-07-02 Nitto Denko Corporation Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same
JP4472028B2 (ja) 1997-07-02 2010-06-02 日東電工株式会社 複合逆浸透膜およびその製造方法
US5876602A (en) * 1997-11-04 1999-03-02 The Dow Chemical Company Treatment of composite polyamide membranes to improve performance
US7001518B1 (en) 2000-11-28 2006-02-21 Hydranautics Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof
JP4247881B2 (ja) 2001-03-19 2009-04-02 日東電工株式会社 複合半透膜、その製造方法、及びそれを用いた水処理方法
KR100534013B1 (ko) * 2003-09-04 2005-12-07 한국화학연구원 물/알코올 분리용 타이타니아 복합막과 이의 제조방법
US20050061741A1 (en) * 2003-09-23 2005-03-24 Mainz Eric L. Method for treating reverse osmosis membranes with chlorine dioxide
JP4656503B2 (ja) * 2004-10-01 2011-03-23 日東電工株式会社 複合半透膜及びその製造方法
JP2006102594A (ja) * 2004-10-01 2006-04-20 Nitto Denko Corp 複合半透膜の製造方法
JP4656502B2 (ja) * 2004-10-01 2011-03-23 日東電工株式会社 複合半透膜及びその製造方法
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
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
JP2008093544A (ja) * 2006-10-10 2008-04-24 Nitto Denko Corp 複合半透膜及びその製造方法
JP2008246419A (ja) * 2007-03-30 2008-10-16 Nitto Denko Corp 複合半透膜の製造方法
US8147735B2 (en) * 2008-07-09 2012-04-03 Eltron Research & Development, Inc. Semipermeable polymers and method for producing same
CN102099099B (zh) * 2008-09-26 2014-11-26 日东电工株式会社 复合半透膜及其制造方法
JP5925409B2 (ja) * 2008-10-23 2016-05-25 日東電工株式会社 熱硬化性樹脂多孔シートの製造方法、熱硬化性樹脂多孔シート、及びそれを用いた複合半透膜
US20100216967A1 (en) * 2009-02-20 2010-08-26 International Business Machines Corporation Interfacial polymerization methods for making fluoroalcohol-containing polyamides
US8754139B2 (en) * 2009-02-20 2014-06-17 International Business Machines Corporation Polyamide membranes with fluoroalcohol functionality
US8580341B2 (en) * 2009-05-22 2013-11-12 General Electric Company Method of making composite membrane
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
US8895104B2 (en) 2011-07-01 2014-11-25 International Business Machines Corporation Thin film composite membranes embedded with molecular cage compounds
US9561474B2 (en) 2012-06-07 2017-02-07 International Business Machines Corporation Composite membrane with multi-layered active layer
US11439957B2 (en) 2020-11-13 2022-09-13 Saudi Arabian Oil Company Desalination membranes
US11571663B2 (en) 2020-11-13 2023-02-07 Saudi Arabian Oil Company Desalination membranes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039440A (en) * 1972-09-19 1977-08-02 The United States Of America As Represented By The Secretary Of The Interior Reverse osmosis membrane
US3926798A (en) * 1974-10-17 1975-12-16 Us Interior Reverse osmosis membrane
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
JPS5926101A (ja) * 1982-08-04 1984-02-10 Teijin Ltd 複合半透膜
US4643829A (en) * 1984-07-30 1987-02-17 E. I. Du Pont De Nemours And Company Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene cyclohexane-1,3,5-tricarboxamide
US4761234A (en) * 1985-08-05 1988-08-02 Toray Industries, Inc. Interfacially synthesized reverse osmosis membrane
JPS6295105A (ja) * 1985-10-16 1987-05-01 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− 複合逆浸透膜のための被覆方法

Also Published As

Publication number Publication date
ES8607034A1 (es) 1986-06-16
EP0170232A3 (en) 1986-03-26
DK344185D0 (da) 1985-07-29
DE3569476D1 (en) 1989-05-24
US4520044A (en) 1985-05-28
DK344185A (da) 1986-01-31
IL75939A0 (en) 1985-12-31
CA1246816A (en) 1988-12-20
MX164977B (es) 1992-10-09
JPH0532090B2 (xx) 1993-05-14
ES545648A0 (es) 1986-06-16
EP0170232A2 (en) 1986-02-05
AU588818B2 (en) 1989-09-28
EP0170232B1 (en) 1989-04-19
JPS6142308A (ja) 1986-02-28
AU4554285A (en) 1986-02-06

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