IL75940A - Multilayer membrane - Google Patents

Multilayer membrane

Info

Publication number
IL75940A
IL75940A IL75940A IL7594085A IL75940A IL 75940 A IL75940 A IL 75940A IL 75940 A IL75940 A IL 75940A IL 7594085 A IL7594085 A IL 7594085A IL 75940 A IL75940 A IL 75940A
Authority
IL
Israel
Prior art keywords
multilayer membrane
multilayer
membrane
Prior art date
Application number
IL75940A
Other languages
English (en)
Other versions
IL75940A0 (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 IL75940A0 publication Critical patent/IL75940A0/xx
Publication of IL75940A publication Critical patent/IL75940A/xx

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IL75940A 1984-07-30 1985-07-29 Multilayer membrane IL75940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/635,745 US4643829A (en) 1984-07-30 1984-07-30 Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene cyclohexane-1,3,5-tricarboxamide

Publications (2)

Publication Number Publication Date
IL75940A0 IL75940A0 (en) 1985-12-31
IL75940A true IL75940A (en) 1988-06-30

Family

ID=24548945

Family Applications (1)

Application Number Title Priority Date Filing Date
IL75940A IL75940A (en) 1984-07-30 1985-07-29 Multilayer membrane

Country Status (10)

Country Link
US (1) US4643829A (xx)
EP (1) EP0170233B1 (xx)
JP (1) JPS6142302A (xx)
AU (1) AU588817B2 (xx)
CA (1) CA1238823A (xx)
DE (1) DE3560809D1 (xx)
DK (1) DK344285A (xx)
ES (1) ES8706036A1 (xx)
IL (1) IL75940A (xx)
MX (1) MX167586B (xx)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520044A (en) * 1984-07-30 1985-05-28 E. I. Du Pont De Nemours And Company Production of 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
US4749488A (en) * 1987-10-08 1988-06-07 E. I. Du Pont De Nemours And Company Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide
JPH01180208A (ja) * 1988-01-11 1989-07-18 Toray Ind Inc 複合半透膜の製造方法およびその膜
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
US4959237A (en) * 1989-06-07 1990-09-25 E. I. Du Pont De Nemours And Company Reverse osmosis concentration of juice products with improved flavor
US5166319A (en) * 1989-10-10 1992-11-24 Brunswick Corporation Interfacial condensation of bioactive compounds and the site-specific compounds and conjugates thereof
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
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
KR0183370B1 (ko) * 1995-07-07 1999-04-15 김은영 방향족 폴리에스테르 또는 방향족 폴리에스테르와 폴리아미드 공중합체의 활성층을 갖는 역삼투용 복합막
US6126825A (en) * 1996-12-02 2000-10-03 Fuji Photo Film Co., Ltd. Microporous membrane and process for the production thereof
US6162358A (en) * 1998-06-05 2000-12-19 Nl Chemicals Technologies, Inc. High flux reverse osmosis membrane
US7066616B2 (en) * 2003-06-20 2006-06-27 Howell Jay E Modular temporary lighting assembly
US20060207930A1 (en) * 2005-03-15 2006-09-21 Yeager Gary W Interfacial composite structure and method of making them
US20090242831A1 (en) * 2008-03-27 2009-10-01 General Electric Company Aromatic halosulfonyl isocyanate compositions
US20090242479A1 (en) * 2008-03-27 2009-10-01 General Electric Company Aromatic halosulfonyl isocyanate compositions
CN103328081B (zh) 2011-01-24 2015-08-19 陶氏环球技术有限责任公司 复合聚酰胺膜
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
WO2013048764A1 (en) 2011-09-29 2013-04-04 Dow Global Technologies Llc Method for preparing high purity mono-hydrolyzed acyl halide compound
WO2013103666A1 (en) 2012-01-06 2013-07-11 Dow Global Technologies Llc Composite polyamide membrane
US9610542B2 (en) 2012-07-19 2017-04-04 Dow Global Technologies Llc Composite polyamide membrane with increased carboxylic acid functionality
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
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
US9289729B2 (en) 2013-03-16 2016-03-22 Dow Global Technologies Llc Composite polyamide membrane derived from carboxylic acid containing acyl halide monomer
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
EP3077088B1 (en) 2013-12-02 2017-12-27 Dow Global Technologies LLC Method for forming a composite polyamide membrane post treated with nitrious acid
EP3077089B1 (en) 2013-12-02 2018-02-28 Dow Global Technologies LLC Method of forming a composite polyamide membrane treated with dihyroxyaryl compounds and nitrous acid
CN105848765B (zh) 2014-01-09 2020-02-14 陶氏环球技术有限责任公司 具有优选偶氮含量的复合聚酰胺膜
CN105899283A (zh) 2014-01-09 2016-08-24 陶氏环球技术有限责任公司 具有偶氮含量和高酸含量的复合聚酰胺膜
KR102289354B1 (ko) 2014-01-09 2021-08-12 다우 글로벌 테크놀로지스 엘엘씨 높은 산 함량 및 낮은 아조 함량을 갖는 복합 폴리아미드 막
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
US9943810B2 (en) 2014-05-14 2018-04-17 Dow Global Technologies Llc Composite polyamide membrane post-treated with nitrous acid

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649687A (en) * 1967-11-06 1972-03-14 Aerojet General Co 1 3 5-cyclohexane tricarbonyl chloride
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
US3744642A (en) * 1970-12-30 1973-07-10 Westinghouse Electric Corp Interface condensation desalination membranes
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
JPS5824303A (ja) * 1981-08-03 1983-02-14 Teijin Ltd 耐酸化性複合半透膜
US4529646A (en) * 1984-07-30 1985-07-16 E. I. Du Pont De Nemours And Company Production of composite membranes
US4520044A (en) * 1984-07-30 1985-05-28 E. I. Du Pont De Nemours And Company Production of composite membranes
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
DE3560809D1 (en) 1987-12-03
EP0170233A2 (en) 1986-02-05
DK344285D0 (da) 1985-07-29
IL75940A0 (en) 1985-12-31
ES8706036A1 (es) 1987-06-01
EP0170233A3 (en) 1986-03-26
JPH0472570B2 (xx) 1992-11-18
DK344285A (da) 1986-01-31
AU588817B2 (en) 1989-09-28
JPS6142302A (ja) 1986-02-28
AU4554185A (en) 1986-02-06
ES545647A0 (es) 1987-06-01
MX167586B (es) 1993-03-30
EP0170233B1 (en) 1987-10-28
US4643829A (en) 1987-02-17
CA1238823A (en) 1988-07-05

Similar Documents

Publication Publication Date Title
IL75940A (en) Multilayer membrane
GB8426264D0 (en) Porous films
GB8514176D0 (en) Membrane
GB8506088D0 (en) Laminates
GB2179000B (en) Laminated structure
EP0151051A3 (en) Laminate
GB8507677D0 (en) Laminate
GB2164579B (en) Ultrafiltration
GB8502788D0 (en) Making laminate structures
GB8522021D0 (en) Grindstone-polymer composite
GB8619288D0 (en) Waterproof membrane
GB8506393D0 (en) Laminates
EP0182029A3 (en) Multilayer composite
GB8510265D0 (en) Sheets
GB8331195D0 (en) Membranes
GB8519675D0 (en) Foil
GB8409038D0 (en) Turning aid
GB2166621B (en) Diaphragms
GB8423924D0 (en) Composite film
GR81009B (en) Membranes
GB2163997B (en) Laminated web
GB8403319D0 (en) Laminated structure
GB8417704D0 (en) Laminate materials
GB8420277D0 (en) Enuretic aid
GB8425646D0 (en) Making laminate

Legal Events

Date Code Title Description
RH Patent void