DK174264B1 - Polyamidmembraner til omvendt osmose - Google Patents

Polyamidmembraner til omvendt osmose Download PDF

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Publication number
DK174264B1
DK174264B1 DK198804958A DK495888A DK174264B1 DK 174264 B1 DK174264 B1 DK 174264B1 DK 198804958 A DK198804958 A DK 198804958A DK 495888 A DK495888 A DK 495888A DK 174264 B1 DK174264 B1 DK 174264B1
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DK
Denmark
Prior art keywords
wetting agent
groups
acyl halide
membranes
membrane
Prior art date
Application number
DK198804958A
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Danish (da)
English (en)
Other versions
DK495888D0 (da
DK495888A (da
Inventor
Ritchie A Wessling
Donald L Schmidt
Richard F Fibiger
David J Forgach
Ja-Young Koo
Robert J Petersen
Thomas F Stocker
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of DK495888D0 publication Critical patent/DK495888D0/da
Publication of DK495888A publication Critical patent/DK495888A/da
Application granted granted Critical
Publication of DK174264B1 publication Critical patent/DK174264B1/da

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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
    • 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
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polyamides (AREA)
DK198804958A 1987-11-18 1988-09-06 Polyamidmembraner til omvendt osmose DK174264B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/122,307 US4769148A (en) 1987-11-18 1987-11-18 Novel polyamide reverse osmosis membranes
US12230787 1987-11-18

Publications (3)

Publication Number Publication Date
DK495888D0 DK495888D0 (da) 1988-09-06
DK495888A DK495888A (da) 1989-05-19
DK174264B1 true DK174264B1 (da) 2002-10-28

Family

ID=22401937

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198804958A DK174264B1 (da) 1987-11-18 1988-09-06 Polyamidmembraner til omvendt osmose

Country Status (13)

Country Link
US (1) US4769148A (fr)
EP (1) EP0316525B1 (fr)
JP (1) JP2727087B2 (fr)
KR (1) KR960016519B1 (fr)
CN (1) CN1023866C (fr)
AU (1) AU611474B2 (fr)
BR (1) BR8804600A (fr)
CA (1) CA1333462C (fr)
DE (1) DE3876387T2 (fr)
DK (1) DK174264B1 (fr)
NO (1) NO172030C (fr)
SG (1) SG25493G (fr)
ZA (1) ZA886618B (fr)

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AU2176888A (en) 1989-05-18
JP2727087B2 (ja) 1998-03-11
US4769148A (en) 1988-09-06
NO172030B (no) 1993-02-22
DE3876387D1 (de) 1993-01-14
AU611474B2 (en) 1991-06-13
DE3876387T2 (de) 1993-06-09
CA1333462C (fr) 1994-12-13
CN1033187A (zh) 1989-05-31
DK495888D0 (da) 1988-09-06
NO883948D0 (no) 1988-09-05
SG25493G (en) 1993-07-09
DK495888A (da) 1989-05-19
ZA886618B (en) 1990-05-30
KR960016519B1 (ko) 1996-12-14
EP0316525B1 (fr) 1992-12-02
CN1023866C (zh) 1994-02-23
KR890008212A (ko) 1989-07-10
EP0316525A3 (en) 1990-05-16
NO172030C (no) 1993-06-02
JPH01130707A (ja) 1989-05-23
BR8804600A (pt) 1989-05-23
NO883948L (no) 1989-05-19
EP0316525A2 (fr) 1989-05-24

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