ES2046410T3 - Procedimiento para la preparacion de membranas. - Google Patents

Procedimiento para la preparacion de membranas.

Info

Publication number
ES2046410T3
ES2046410T3 ES198989115985T ES89115985T ES2046410T3 ES 2046410 T3 ES2046410 T3 ES 2046410T3 ES 198989115985 T ES198989115985 T ES 198989115985T ES 89115985 T ES89115985 T ES 89115985T ES 2046410 T3 ES2046410 T3 ES 2046410T3
Authority
ES
Spain
Prior art keywords
membranes
procedure
produced
solution
phase separation
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
ES198989115985T
Other languages
English (en)
Inventor
Heinz-Joachim Dr. Muller
Friedbert Wechs
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.)
Akzo NV
Original Assignee
Akzo NV
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 Akzo NV filed Critical Akzo NV
Application granted granted Critical
Publication of ES2046410T3 publication Critical patent/ES2046410T3/es
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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0018—Thermally induced processes [TIPS]
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/14—Powdering or granulating by precipitation from solutions
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/052—Inducing phase separation by thermal treatment, e.g. cooling a solution
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0544—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being aqueous
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S424/00—Drug, bio-affecting and body treating compositions
    • Y10S424/07—Microporous membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • External Artificial Organs (AREA)

Abstract

PROCEDIMIENTO PARA PRODUCIR POLVO MICROPOROSO O MOLDE (MEMBRANAS) EN FORMA DE LAMINAS PLANAS, LAMINAS FLEXIBLES O FIBRAS HUECAS QUE SE APLICAN PARA EMISION DE SUSTANCIA ACTIVA REGULADA, DIALISIS, SEPARACION DE GAS, ULTRAFILTRACION O MICROFILTRACION. SE PRODUCEN A TRAVES DE SEPARACION DE FASES MEDIANTE DESENCADENAMIENTO NO INDUCIDO POR DISOLVENTE O INDUCIDO TERMICAMENTE DE FLUORURO DE POLIVINILIDENO Y/O SULFURO DE POLIFENILO Y/O POLISULFONA Y/O POLIACRILONITRILO Y/O COPOLIMERO DE ETILENVINIALCOHOL Y/O COPOLIMERO DE ETILENO-CLOROTRIFLUOROETILENO Y/O POLIETERSULFONA Y/O POLIETERMIDA Y/O POLIMETILMETACRILATO Y/O POLICARBONATO Y/O TRIACETATO DE CELULOSA. SE PRODUCE UNA SOLUCION DE LOS POLIMEROS EN UNA MEZCLA QUE CONTIENE E-CAPROLACTAMA COMO COMPONENTE DISOLVENTE, SE CONFORMA LA SOLUCION Y SE DESENCADENA LA SEPARACION DE FASE.
ES198989115985T 1988-09-01 1989-08-30 Procedimiento para la preparacion de membranas. Expired - Lifetime ES2046410T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3829766A DE3829766A1 (de) 1988-09-01 1988-09-01 Verfahren zur herstellung von membranen

Publications (1)

Publication Number Publication Date
ES2046410T3 true ES2046410T3 (es) 1994-02-01

Family

ID=6362106

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989115985T Expired - Lifetime ES2046410T3 (es) 1988-09-01 1989-08-30 Procedimiento para la preparacion de membranas.

Country Status (6)

Country Link
US (1) US4968733A (es)
EP (1) EP0357021B1 (es)
JP (1) JP2907883B2 (es)
AU (1) AU617213B2 (es)
DE (2) DE3829766A1 (es)
ES (1) ES2046410T3 (es)

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EP0357021A2 (de) 1990-03-07
EP0357021A3 (en) 1990-09-26
AU4099789A (en) 1990-03-08
US4968733A (en) 1990-11-06
JPH02263844A (ja) 1990-10-26
AU617213B2 (en) 1991-11-21

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