MX165793B - Mejoras en membranas semipermeables secas de alto flujo - Google Patents

Mejoras en membranas semipermeables secas de alto flujo

Info

Publication number
MX165793B
MX165793B MX023614A MX2361490A MX165793B MX 165793 B MX165793 B MX 165793B MX 023614 A MX023614 A MX 023614A MX 2361490 A MX2361490 A MX 2361490A MX 165793 B MX165793 B MX 165793B
Authority
MX
Mexico
Prior art keywords
acids
high flow
solution
porous support
support material
Prior art date
Application number
MX023614A
Other languages
English (en)
Inventor
Michael M Chau
Hong C Chu
William G Light
Original Assignee
Allied Signal Inc
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 Allied Signal Inc filed Critical Allied Signal Inc
Publication of MX165793B publication Critical patent/MX165793B/es

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0088Physical treatment with compounds, e.g. swelling, coating or impregnation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/125In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction

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)

Abstract

La presente invención se refiere a mejoras en membranas semipermeables secas de alto flujo caracterizadas porque se prepara al revestir un material aproroso de soporte con una solución acuosa de una poliamina, eliminar el exceso de solución; poner en contacto el material proroso de soporte ya revestido con una solución en disolvente de un haluro de poliacilo, haluro de polisulfonilo o poliisocianato para formar un producto de reacción por condensación dentro o sobre la superficie del material poroso de soporte; tratar el compuesto resultante con una solución de un ácido seleccionado del grupo consistente en ácidos hidropolicarboxílicos, ácidos policarboxílicos poliaminoalquilénicos, ácidos sulfónicos, sales de amina de ácidos, aminoácidos, sales aminoácidos, ácidos poliméricos y ácidos orgánicos, secar y recuperar la membrana semipermeable de alto flujo.
MX023614A 1989-12-14 1990-06-12 Mejoras en membranas semipermeables secas de alto flujo MX165793B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/450,637 US4983291A (en) 1989-12-14 1989-12-14 Dry high flux semipermeable membranes

Publications (1)

Publication Number Publication Date
MX165793B true MX165793B (es) 1992-12-03

Family

ID=23788905

Family Applications (1)

Application Number Title Priority Date Filing Date
MX023614A MX165793B (es) 1989-12-14 1990-06-12 Mejoras en membranas semipermeables secas de alto flujo

Country Status (14)

Country Link
US (1) US4983291A (es)
EP (1) EP0505502B1 (es)
CN (1) CN1030689C (es)
AU (1) AU639070B2 (es)
CA (1) CA2069510C (es)
DE (1) DE69003688T2 (es)
DK (1) DK0505502T3 (es)
ES (1) ES2044723T3 (es)
IE (1) IE66251B1 (es)
MX (1) MX165793B (es)
NZ (1) NZ236053A (es)
PT (1) PT96189A (es)
WO (1) WO1991008828A1 (es)
ZA (1) ZA909602B (es)

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Also Published As

Publication number Publication date
US4983291A (en) 1991-01-08
DE69003688T2 (de) 1994-01-27
ES2044723T3 (es) 1994-01-01
EP0505502A1 (en) 1992-09-30
CN1030689C (zh) 1996-01-17
AU7072191A (en) 1991-07-18
WO1991008828A1 (en) 1991-06-27
IE66251B1 (en) 1995-12-27
EP0505502B1 (en) 1993-09-29
NZ236053A (en) 1992-02-25
DE69003688D1 (de) 1993-11-04
ZA909602B (en) 1991-11-27
IE904014A1 (en) 1991-06-19
CA2069510C (en) 2000-05-23
DK0505502T3 (da) 1994-03-21
CN1054200A (zh) 1991-09-04
CA2069510A1 (en) 1991-06-15
PT96189A (pt) 1991-09-30
AU639070B2 (en) 1993-07-15

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