FR2465508B1 - Membranes poreuses contenant du polyacrylonitrile modifie, pour l'ultrafiltration, procede de preparation de celles-ci et applications desdites membranes - Google Patents

Membranes poreuses contenant du polyacrylonitrile modifie, pour l'ultrafiltration, procede de preparation de celles-ci et applications desdites membranes

Info

Publication number
FR2465508B1
FR2465508B1 FR8020078A FR8020078A FR2465508B1 FR 2465508 B1 FR2465508 B1 FR 2465508B1 FR 8020078 A FR8020078 A FR 8020078A FR 8020078 A FR8020078 A FR 8020078A FR 2465508 B1 FR2465508 B1 FR 2465508B1
Authority
FR
France
Prior art keywords
ultrafiltration
preparing
applications
same
containing modified
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
Application number
FR8020078A
Other languages
English (en)
Other versions
FR2465508A1 (fr
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.)
Aligena AG
Original Assignee
Aligena AG
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 Aligena AG filed Critical Aligena AG
Publication of FR2465508A1 publication Critical patent/FR2465508A1/fr
Application granted granted Critical
Publication of FR2465508B1 publication Critical patent/FR2465508B1/fr
Expired 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
    • B01D67/0093—Chemical modification
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2256—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/06—Polyhydrazides; Polytriazoles; Polyamino-triazoles; Polyoxadiazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR8020078A 1979-09-19 1980-09-18 Membranes poreuses contenant du polyacrylonitrile modifie, pour l'ultrafiltration, procede de preparation de celles-ci et applications desdites membranes Expired FR2465508B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH846179 1979-09-19

Publications (2)

Publication Number Publication Date
FR2465508A1 FR2465508A1 (fr) 1981-03-27
FR2465508B1 true FR2465508B1 (fr) 1985-10-18

Family

ID=4340727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8020078A Expired FR2465508B1 (fr) 1979-09-19 1980-09-18 Membranes poreuses contenant du polyacrylonitrile modifie, pour l'ultrafiltration, procede de preparation de celles-ci et applications desdites membranes

Country Status (10)

Country Link
US (1) US4584103A (fr)
EP (1) EP0025973B1 (fr)
JP (1) JPS5648214A (fr)
BR (1) BR8005980A (fr)
CA (1) CA1186860A (fr)
DE (2) DE3035134A1 (fr)
FR (1) FR2465508B1 (fr)
GB (1) GB2058798B (fr)
IL (1) IL61070A (fr)
MX (1) MX156797A (fr)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041239A3 (fr) * 1980-06-04 1982-05-12 Ciba-Geigy Ag Préparations stables, liquides et concentrées de colorants non métallifères, leur procédé de préparation et leur utilisation
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use
IL64967A0 (en) * 1981-03-17 1982-04-30 Aligena Ag Semipermeable membranes containing modified polysulfones,their manufacture and their use
CH649718A5 (de) * 1981-03-25 1985-06-14 Aligena Ag Verfahren zur herstellung von semipermeablen membranen aus polymeren auf acrylnitrilbasis, die nach diesem verfahren hergestellten membranen und ihre verwendung.
BG33312A1 (en) * 1981-04-20 1983-01-14 Dimov Method for obtaining of semi- transparent membrane
CH652313A5 (de) * 1981-08-25 1985-11-15 Ciba Geigy Ag Verfahren zur herstellung konzentrierter waesseriger zubereitungen von synthetischen anionischen dispergatoren.
CH647021A5 (de) * 1981-09-22 1984-12-28 Ciba Geigy Ag Verfahren zur herstellung lagerstabiler aufhellerformulierungen.
CH648583A5 (de) * 1981-09-29 1985-03-29 Ciba Geigy Ag Verfahren zur herstellung von lagerstabilen farbstoffpraeparaten.
EP0082355B1 (fr) * 1981-12-21 1986-06-11 Aligena Ag Membranes semi-perméables de polystyrènes modifiés, procédé de leur fabrication et leur utilisation
US4511711A (en) * 1982-02-10 1985-04-16 Sumitomo Chemical Company, Limited Process for producing semipermeable membrane
CH660852A5 (de) * 1982-11-23 1987-05-29 Aligena Ag Dynamische membranen, die sich als duenne polymerschichten auf poroesen, polymeren traegermaterialien befinden.
CH654424A5 (de) * 1983-03-25 1986-02-14 Ciba Geigy Ag Verfahren zur verhinderung des gelierens von konzentrierten waessrigen photoaktivatorloesungen.
JPS59182862A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
JPS59182861A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
JPS59182863A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
EP0156840A4 (fr) * 1983-09-12 1987-07-08 Memtec Ltd Traitement de membranes poreuses.
CH667664A5 (de) * 1985-03-29 1988-10-31 Ciba Geigy Ag Verfahren zur herstellung von praeparaten wasserloeslicher organischer farbstoffe.
CH668961A5 (de) * 1986-02-07 1989-02-15 Ciba Geigy Ag Verfahren zur reinigung von farbstoffhaltigen abwaessern.
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
US4906379A (en) * 1987-01-28 1990-03-06 Membrex, Inc. Hydrophilic article and method of producing same
US5000848A (en) * 1987-01-28 1991-03-19 Membrex, Inc. Rotary filtration device with hyperphilic membrane
DE3703738A1 (de) * 1987-02-07 1988-08-18 Bayer Ag Verfahren zur herstellung einer konzentrierten waessrigen reaktivfarbstoff-loesung
US4909943A (en) * 1987-07-20 1990-03-20 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4894165A (en) * 1987-07-20 1990-01-16 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4828700A (en) * 1987-07-20 1989-05-09 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
CH672995A5 (fr) * 1987-07-27 1990-01-31 Ciba Geigy Ag
GB2207618B (en) * 1987-08-05 1991-05-15 Ciba Geigy Ag Process for treating aqueous fluids containing organic compounds and salts of polyvalent inorganic acids
DE68921431T2 (de) * 1988-11-23 1995-06-29 Cytec Tech Corp Poröse Oberflächen-hydratisierte Substrate aus Polyacrylnitril, wie Perlderivate, Verfahren zu deren Herstellung und Verfahren zur Verwendung.
US5024765A (en) * 1989-10-02 1991-06-18 Aligena Ag Composite membranes and processes using them
CA2016061A1 (fr) * 1989-05-08 1990-11-08 Laurence Wu-Kwang Chang Polyacrylonitrile a surface modifiee
JPH0312224A (ja) * 1989-06-08 1991-01-21 Japan Gore Tex Inc 選択透過膜
US5053133A (en) * 1990-02-09 1991-10-01 Elias Klein Affinity separation with activated polyamide microporous membranes
DE59405007D1 (de) * 1993-07-30 1998-02-19 Bayer Ag Membranen aus Acrylnitril-Copolymeren, Verfahren zu ihrer Herstellung und ihre Verwendung
DE19650485C2 (de) * 1996-12-05 2001-06-21 Gsf Forschungszentrum Umwelt Ionenaustauschermaterial auf Cellulosebasis und Verfahren zu dessen Herstellung
JP2000281819A (ja) * 1999-01-27 2000-10-10 Aventis Res & Technol Gmbh & Co Kg 架橋高分子膜の製造方法及び燃料電池
US6858141B2 (en) * 2001-08-30 2005-02-22 Council Of Scientific & Industrial Research (Csir) Process for the preparation of ultrafiltration membranes of polyacrylonitrile, using malic acid as an additive
JP4853283B2 (ja) * 2004-02-20 2012-01-11 東レ株式会社 耐炎ポリマー含有溶液および炭素成形品
US7718112B2 (en) * 2004-08-23 2010-05-18 University Of Massachusetts Nanometer scale structures
US7381331B2 (en) * 2005-09-30 2008-06-03 General Electric Company Hydrophilic membrane and associated method
US7631768B2 (en) * 2005-11-04 2009-12-15 General Electric Company Membrane and associated method
US7291696B2 (en) * 2005-11-04 2007-11-06 General Electric Company Composition and associated method
DE102008019085A1 (de) * 2008-04-15 2009-10-22 Microdyn - Nadir Gmbh Filterverbundmaterial, Verfahren zu seiner Herstellung sowie aus dem Filterverbundmaterial hergestellte Flachfilterelemente
SG196813A1 (en) 2009-01-13 2014-02-13 Ams Technologies Int 2012 Ltd Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams
US10005681B2 (en) 2009-08-13 2018-06-26 The Board Of Regents Of The University Of Texas System Sea water reverse osmosis system to reduce concentrate volume prior to disposal
JP6008870B2 (ja) 2010-12-12 2016-10-19 ベン‐グリオン ユニバーシティ オブ ザ ネゲヴ リサーチ アンド デベロップメント オーソリティ 陰イオン交換膜、その調製方法および用途
WO2013069681A1 (fr) * 2011-11-08 2013-05-16 株式会社カネカ Corps poreux de copolymère à base de chlorure de vinyle et son procédé de fabrication
CN103127847B (zh) * 2013-03-15 2015-04-15 北京化工大学 抗蛋白质污染聚丙烯腈水解改性超滤膜及其制备方法
US10384167B2 (en) 2013-11-21 2019-08-20 Oasys Water LLC Systems and methods for improving performance of osmotically driven membrane systems
CN111686595A (zh) * 2019-03-13 2020-09-22 西陇科学股份有限公司 原位改性结合相分离技术制备高性能亲水改性聚丙烯腈膜的方法
US11389770B2 (en) * 2020-04-29 2022-07-19 Sonny's Water Systems, LLC. Apparatus for using permeate to flush a reverse osmosis filter
CN113413776B (zh) * 2021-06-21 2022-11-25 东华理工大学 一种基于聚偕胺肟为界层的纳滤膜的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU33836A1 (fr) * 1955-03-30
DE123476C (fr) * 1960-09-19
JPS476257U (fr) * 1971-02-15 1972-09-21
JPS5548842B2 (fr) * 1973-05-17 1980-12-09
JPS5611483B2 (fr) * 1973-05-17 1981-03-14
JPS5833248B2 (ja) * 1974-01-25 1983-07-19 三菱レイヨン株式会社 キレ−トハントウマク ノ セイゾウホウ
US4148734A (en) * 1974-12-21 1979-04-10 Chemie-Anlagenbau Bischofsheim Gmbh Filter material and process for producing same
CH597901A5 (fr) * 1975-01-23 1978-04-14 Aligena Ag
JPS5817783B2 (ja) * 1976-07-08 1983-04-09 日本曹達株式会社 固体表面に担持されたヘテロ巨大環化合物
JPS5856378B2 (ja) * 1976-09-08 1983-12-14 旭化成株式会社 アクリロニトリル系重合体乾燥膜およびその製造法
GB1569563A (en) * 1976-11-02 1980-06-18 Atomic Energy Authority Uk Hydrophilic salt rejecting acrylic membranes philic salt rejecting acrylic membranes
US4268662A (en) * 1978-03-17 1981-05-19 Sumitomo Chemical Company, Limited Process for improving semipermeable membranes by treating with protic acids or inorganic salts
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane

Also Published As

Publication number Publication date
GB2058798A (en) 1981-04-15
JPH0223215B2 (fr) 1990-05-23
JPS5648214A (en) 1981-05-01
DE3035134A1 (de) 1981-04-09
EP0025973A3 (en) 1981-04-08
CA1186860A (fr) 1985-05-14
EP0025973A2 (fr) 1981-04-01
IL61070A0 (en) 1980-11-30
IL61070A (en) 1984-05-31
GB2058798B (en) 1984-05-02
DE3070021D1 (en) 1985-03-07
BR8005980A (pt) 1981-03-31
EP0025973B1 (fr) 1985-01-23
US4584103A (en) 1986-04-22
FR2465508A1 (fr) 1981-03-27
MX156797A (es) 1988-10-05

Similar Documents

Publication Publication Date Title
FR2465508B1 (fr) Membranes poreuses contenant du polyacrylonitrile modifie, pour l'ultrafiltration, procede de preparation de celles-ci et applications desdites membranes
FR2452948B1 (fr) Membrane semipermeable composite et procede pour la fabriquer
FR2339424A1 (fr) Procede pour la fabrication de membranes semipermeables de polysulfone et membranes obtenues
DE3271691D1 (en) Semipermeable membranes of modified polystyrene, process for their manufacture and their use
DE3064461D1 (en) Process for the production of a reverse osmosis membrane, reverse osmosis membrane thus produced, and use of such membrane in a desalination process
FR2575459B1 (fr) Procede de fabrication de membranes minerales, poreuses et permeables
AR243402A1 (es) Una membrana semipermeable de polisulfonas modificadas y procedimiento para obtenerlas.
DE3274426D1 (en) Semipermeable membranes from acrylonitrile-based polymers, process for their preparation and their use
DE3262766D1 (en) Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids
DE3165561D1 (en) Semipermeable composite membranes comprising modified polyvinyl alcohol, process for their preparation and their use
DE3066996D1 (en) Porous semipermeable cellulose acetate membranes modified by ionic groups, process for their production and their use
BE892357A (fr) Nouveaux derives de l'erythromycine a, procede pour leur preparation et leur utilisation comme substances anti-bacteriennes
DE69007130D1 (de) Poröse Polyvinylidenfluorid-Membran und Verfahren zu ihrer Herstellung.
NO167498C (no) Behandlet, halvgjennomtrengelig polymermembran, fremgangsmaate for fremstilling derav og anvendelse av membranen.
FR2344055A1 (fr) Unite de filtration pour l'elimination de vapeurs toxiques, en particulier de vapeurs ammoniacales
FR2475034B1 (fr) B-sic lamelle, procede de preparation, ceramiques et refractaires le contenant
FR2472518B1 (fr) Conteneur souple solidairement dote d'orifices et de diaphragmes du type utilise pour maintenir steriles des solutions parenterales, et son procede de fabrication
EP0314581A3 (en) Porous hollow fiber membrane, method for production thereof, and oxygenator using the hollow fiber membrane
BE875998A (fr) Membranes d'ultrafiltration et leur procede de preparation
GB2035197B (en) Process for the prodoction of semipermeable hollow fibre membranes
BR7907834A (pt) Processo para preparacao de material filtrante,filtro contendo o material,e aplicacao do material filtrante produzido
DE3267317D1 (en) Porous regenerated cellulose membrane and process for the preparation thereof
FR2419742B1 (fr) Procede pour ameliorer les performances de membranes semipermeables
OA06584A (fr) Procédé de séparation de la leucine, l'isoleucine et la valine.
FR2461524B1 (fr) Procede perfectionne pour la preparation de catalyseurs selectifs d'oxydation

Legal Events

Date Code Title Description
ST Notification of lapse