DE3764151D1 - Nachbehandlung von zusammengesetzten permselektiven membranen mit extraktionsmitteln und tensiden. - Google Patents

Nachbehandlung von zusammengesetzten permselektiven membranen mit extraktionsmitteln und tensiden.

Info

Publication number
DE3764151D1
DE3764151D1 DE8787105953T DE3764151T DE3764151D1 DE 3764151 D1 DE3764151 D1 DE 3764151D1 DE 8787105953 T DE8787105953 T DE 8787105953T DE 3764151 T DE3764151 T DE 3764151T DE 3764151 D1 DE3764151 D1 DE 3764151D1
Authority
DE
Germany
Prior art keywords
perm
post
treatment
selective membranes
extraction agents
Prior art date
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.)
Expired - Lifetime
Application number
DE8787105953T
Other languages
English (en)
Inventor
Sherman Archie Sundet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3764151D1 publication Critical patent/DE3764151D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE8787105953T 1986-04-23 1987-04-23 Nachbehandlung von zusammengesetzten permselektiven membranen mit extraktionsmitteln und tensiden. Expired - Lifetime DE3764151D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/854,927 US4719062A (en) 1986-04-23 1986-04-23 Extractant-surfactant post-treatments of permselective composite membranes

Publications (1)

Publication Number Publication Date
DE3764151D1 true DE3764151D1 (de) 1990-09-13

Family

ID=25319886

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787105953T Expired - Lifetime DE3764151D1 (de) 1986-04-23 1987-04-23 Nachbehandlung von zusammengesetzten permselektiven membranen mit extraktionsmitteln und tensiden.

Country Status (4)

Country Link
US (1) US4719062A (de)
EP (1) EP0242877B1 (de)
JP (1) JPS62258712A (de)
DE (1) DE3764151D1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888116A (en) * 1987-01-15 1989-12-19 The Dow Chemical Company Method of improving membrane properties via reaction of diazonium compounds or precursors
US4812238A (en) * 1987-01-15 1989-03-14 The Dow Chemical Company Membranes prepared via reaction of diazonium compounds or precursors
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
US5032149A (en) * 1989-10-10 1991-07-16 E. I. Du Pont De Nemours And Company Surfactant treatment of polyaramide gas separation membranes
US5282965A (en) * 1990-11-29 1994-02-01 Nitto Denko Corporation Membrane filter for liquids and filtering device using the same
JP2000350928A (ja) * 1999-06-10 2000-12-19 Toyobo Co Ltd 複合半透膜、複合半透膜モジュールおよびそれらの製造方法
JP5077779B2 (ja) * 2009-07-03 2012-11-21 東洋紡績株式会社 複合半透膜および複合半透膜モジュールの製造方法
DE102010001040A1 (de) 2010-01-20 2011-07-21 Evonik RohMax Additives GmbH, 64293 (Meth)acrylat-Polymere zur Verbesserung des Viskositätsindexes
NZ603100A (en) * 2010-06-07 2015-01-30 Dupont Nutrition Biosci Aps Process of treating polymeric nanofiltration membranes
WO2012102944A1 (en) 2011-01-24 2012-08-02 Dow Global Technologies Llc 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
EP2776146B1 (de) 2012-01-06 2020-05-13 DDP Specialty Electronic Materials US, Inc. Verfahren zur herstellung einer zusammengesetzten polyamidmembran
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
WO2014109946A1 (en) 2013-01-14 2014-07-17 Dow Global Technologies Llc Composite polyamide membrane
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
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
WO2014179024A1 (en) 2013-05-03 2014-11-06 Dow Global Technologies Llc Composite polyamide membrane derived from an aliphatic acyclic tertiary amine compound
WO2015084512A1 (en) 2013-12-02 2015-06-11 Dow Global Technologies Llc Composite polyamide membrane treated with dihyroxyaryl compounds and nitrous acid
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
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
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
CN104841295A (zh) * 2015-06-09 2015-08-19 国家海洋局天津海水淡化与综合利用研究所 一种介孔氧化硅球/半芳香聚酰胺纳米复合反渗透膜及其制备方法
CN113262642B (zh) * 2020-02-17 2023-03-21 中国科学院苏州纳米技术与纳米仿生研究所 一种超高分离选择性纳滤膜、其制备方法及应用

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808303A (en) * 1971-12-30 1974-04-30 Du Pont Ether treatment of nitrogen-containing polymer membranes
US4272467A (en) * 1975-12-22 1981-06-09 Exxon Research & Engineering Co. Method for producing an essentially gas and liquid impermeable low density, closed-cell, microcellular polyparabanic acid article
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
US4262094A (en) * 1979-07-24 1981-04-14 Exxon Research & Engineering Co. Microcellular heterocyclic polymer structures
JPS5681105A (en) * 1979-12-06 1981-07-02 Teijin Ltd Treatment of membrane
JPS58132111A (ja) * 1982-01-29 1983-08-06 Asahi Chem Ind Co Ltd ポリスルホン中空糸
US4471110A (en) * 1982-08-02 1984-09-11 E. I. Dupont De Nemours And Company Polyamide of disulfonated diamine and permselective membrane thereof
EP0141793A1 (de) * 1983-06-30 1985-05-15 Monsanto Company Asymmetrische Membranen für die Gastrennung mit erhöhter Selektivität sowie deren Herstellungsverfahren
US4520044A (en) * 1984-07-30 1985-05-28 E. I. Du Pont De Nemours And Company Production of composite membranes
US4529646A (en) * 1984-07-30 1985-07-16 E. I. Du Pont De Nemours And Company Production of composite membranes
JPS62140608A (ja) * 1985-12-17 1987-06-24 Nitto Electric Ind Co Ltd 複合半透膜、その製造方法及び水溶液の処理方法

Also Published As

Publication number Publication date
JPS62258712A (ja) 1987-11-11
EP0242877A1 (de) 1987-10-28
EP0242877B1 (de) 1990-08-08
US4719062A (en) 1988-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee