ES8800614A1 - Procedimiento para la obtencion de una membrana compuesta semipermeable sobre un substrato microporoso, basada en un polimero reticulado. - Google Patents

Procedimiento para la obtencion de una membrana compuesta semipermeable sobre un substrato microporoso, basada en un polimero reticulado.

Info

Publication number
ES8800614A1
ES8800614A1 ES547303A ES547303A ES8800614A1 ES 8800614 A1 ES8800614 A1 ES 8800614A1 ES 547303 A ES547303 A ES 547303A ES 547303 A ES547303 A ES 547303A ES 8800614 A1 ES8800614 A1 ES 8800614A1
Authority
ES
Spain
Prior art keywords
formula
polymer
diamino
polyamine
mol
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
ES547303A
Other languages
English (en)
Other versions
ES547303A0 (es
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.)
Wafilin BV
Original Assignee
Wafilin BV
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 Wafilin BV filed Critical Wafilin BV
Publication of ES547303A0 publication Critical patent/ES547303A0/es
Publication of ES8800614A1 publication Critical patent/ES8800614A1/es
Expired legal-status Critical Current

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
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/60—Polyamines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PROCEDIMIENTO MODIFICADO PARA OBTENER UNA MEMBRANA COMPUESTA SEMIPERMEABLE. COMPRENDE: A) ENJUAGAR EL SUSTRATO MICROPOROSO (MEMBRANA DE POLISULFONA) CON AGUA BIDESTILADA; B) SUMERGIR AL SUSTRATO EN UNA SOLUCION ACUOSA DE POLIMERO HIDROSOLUBLE DE FORMULA (I) Y DE POLIAMINA, HASTA SATURACION; C) VOLVER A SUMERGIR AL SUSTRATO MICROPOROSO SATURADO EN UAN SOLUCION ORGANICA QUE CONTIENE AGENTE DE RETICULACION (ISOFTALOIL CLORURO), PARA RETICULARLO; D) EXPONER AL SUSTRADO DE C) AL AIRE DURANTE 5 MINUTOS, PARA ELIMIANR LOS DISOLVENTE; Y E) VOLVER A EXPONER AL SUSTRATO AL AIRE CALIENTE A 90JC DURANTE 15 MINUTOS, PARA FORMAR LA MEMBRANA SEMIPERMEABLE. SIENDO: R, H; X, 50 O 99,9 MOLES %; Y 100-X; Y N PESO MOLECULAR DE (I). SE UTILIZA PARA PRODUCIR AGUA PURA A PARTIR DE AGUA DE MAR.
ES547303A 1984-08-30 1985-08-30 Procedimiento para la obtencion de una membrana compuesta semipermeable sobre un substrato microporoso, basada en un polimero reticulado. Expired ES8800614A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8402647A NL8402647A (nl) 1984-08-30 1984-08-30 Semi-permeabel samengesteld membraan uit een poly-n-vinyl-n-methylpolymeer.

Publications (2)

Publication Number Publication Date
ES547303A0 ES547303A0 (es) 1987-11-16
ES8800614A1 true ES8800614A1 (es) 1987-11-16

Family

ID=19844392

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547303A Expired ES8800614A1 (es) 1984-08-30 1985-08-30 Procedimiento para la obtencion de una membrana compuesta semipermeable sobre un substrato microporoso, basada en un polimero reticulado.

Country Status (9)

Country Link
US (1) US4721568A (es)
EP (1) EP0174045B1 (es)
JP (1) JPS61118102A (es)
AT (1) ATE36119T1 (es)
CA (1) CA1258994A (es)
DE (1) DE3564077D1 (es)
DK (1) DK163142C (es)
ES (1) ES8800614A1 (es)
NL (1) NL8402647A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9001275A (nl) * 1990-06-06 1992-01-02 X Flow Bv Werkwijze voor het scheiden van componenten in een organisch vloeistofmilieu, alsmede een semi-permeabel composietmembraan daarvoor.
NL9001274A (nl) * 1990-06-06 1992-01-02 X Flow Bv Semi-permeabel composietmembraan, alsmede werkwijze voor het vervaardigen ervan.
NL9100307A (nl) * 1991-02-21 1992-09-16 X Flow Bv Semi-permeabel composietmembraan, werkwijze voor de bereiding ervan, alsmede toepassing van dergelijke membranen voor het scheiden van componenten in een organische vloeistoffase of in de dampfase.
US5389433A (en) * 1993-04-01 1995-02-14 W. R. Grace & Co.-Conn. Battery separator
US5362581A (en) * 1993-04-01 1994-11-08 W. R. Grace & Co.-Conn. Battery separator
US5389463A (en) * 1993-04-01 1995-02-14 W. R. Grace & Co.-Conn. Battery separator
US5362582A (en) * 1993-04-01 1994-11-08 W.R. Grace & Co.-Conn. Battery separator
US5346788A (en) * 1993-04-01 1994-09-13 W. R. Grace & Co.-Conn. Microporous polyurethane based battery separator
NL1001973C2 (nl) * 1995-12-21 1997-06-24 Stork Friesland Bv Semipermeabel composietmembraan.
EP1463578B1 (en) * 2002-01-09 2011-09-28 Hydranautics Method for cleaning a filtration membrane module with hollow fiber membranes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535910A (en) * 1978-09-06 1980-03-13 Teijin Ltd Permselectivity composite membrane and preparation thereof
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing
US4387024A (en) * 1979-12-13 1983-06-07 Toray Industries, Inc. High performance semipermeable composite membrane and process for producing the same
DE2950623A1 (de) * 1979-12-15 1981-06-19 Toray Industries, Inc., Tokyo Semipermeable zusammengesetzte membran und verfahren zu deren herstellung
JPS5695304A (en) * 1979-12-28 1981-08-01 Teijin Ltd Perm selective composite membrane and its production
EP0056175B1 (en) * 1981-01-13 1985-05-02 Teijin Limited Ion-permeable composite membrane and its use in selective separation

Also Published As

Publication number Publication date
EP0174045B1 (en) 1988-08-03
DK395285D0 (da) 1985-08-29
ATE36119T1 (de) 1988-08-15
DK395285A (da) 1986-03-01
US4721568A (en) 1988-01-26
ES547303A0 (es) 1987-11-16
DK163142B (da) 1992-01-27
JPS61118102A (ja) 1986-06-05
DE3564077D1 (en) 1988-09-08
NL8402647A (nl) 1986-03-17
CA1258994A (en) 1989-09-05
EP0174045A1 (en) 1986-03-12
JPH0252532B2 (es) 1990-11-13
DK163142C (da) 1992-06-22

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506