GB2238966B - Solvent-stable semipermeable composite membranes - Google Patents

Solvent-stable semipermeable composite membranes

Info

Publication number
GB2238966B
GB2238966B GB8924411A GB8924411A GB2238966B GB 2238966 B GB2238966 B GB 2238966B GB 8924411 A GB8924411 A GB 8924411A GB 8924411 A GB8924411 A GB 8924411A GB 2238966 B GB2238966 B GB 2238966B
Authority
GB
United Kingdom
Prior art keywords
solvent
composite membranes
semipermeable composite
stable semipermeable
stable
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 - Fee Related
Application number
GB8924411A
Other versions
GB2238966A (en
GB8924411D0 (en
Inventor
Charles Linder
Mara Nemas
Mordechai Perry
Reuven Ketraro
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
Priority to GB8924411A priority Critical patent/GB2238966B/en
Publication of GB8924411D0 publication Critical patent/GB8924411D0/en
Priority to IL9388790A priority patent/IL93887A/en
Priority to AT90810287T priority patent/ATE115437T1/en
Priority to DE69014967T priority patent/DE69014967T2/en
Priority to EP90810287A priority patent/EP0392982B1/en
Priority to US07/507,567 priority patent/US5032282A/en
Priority to JP09918490A priority patent/JP3145093B2/en
Publication of GB2238966A publication Critical patent/GB2238966A/en
Application granted granted Critical
Publication of GB2238966B publication Critical patent/GB2238966B/en
Priority to HK98105348A priority patent/HK1006156A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile
    • 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

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)
GB8924411A 1989-04-14 1989-10-30 Solvent-stable semipermeable composite membranes Expired - Fee Related GB2238966B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB8924411A GB2238966B (en) 1989-10-30 1989-10-30 Solvent-stable semipermeable composite membranes
IL9388790A IL93887A (en) 1989-10-02 1990-03-26 Solvent resistant polzmeric membranes containing crosslinks
EP90810287A EP0392982B1 (en) 1989-04-14 1990-04-10 Solvent stable membranes
DE69014967T DE69014967T2 (en) 1989-04-14 1990-04-10 Solvent resistant membranes.
AT90810287T ATE115437T1 (en) 1989-04-14 1990-04-10 SOLVENT RESISTANT DIAPHRAGM.
US07/507,567 US5032282A (en) 1989-04-14 1990-04-11 Solvent-stable semipermeable composite membranes
JP09918490A JP3145093B2 (en) 1989-04-14 1990-04-13 Solvent stable composite membrane
HK98105348A HK1006156A1 (en) 1989-04-14 1998-06-16 Solvent stable membranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8924411A GB2238966B (en) 1989-10-30 1989-10-30 Solvent-stable semipermeable composite membranes

Publications (3)

Publication Number Publication Date
GB8924411D0 GB8924411D0 (en) 1989-12-20
GB2238966A GB2238966A (en) 1991-06-19
GB2238966B true GB2238966B (en) 1993-08-25

Family

ID=10665409

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8924411A Expired - Fee Related GB2238966B (en) 1989-04-14 1989-10-30 Solvent-stable semipermeable composite membranes

Country Status (1)

Country Link
GB (1) GB2238966B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2360004B (en) * 2000-02-11 2003-05-14 Univ East London Pervaporation separation of ethanol/water mixtures
US7942274B2 (en) 2000-05-24 2011-05-17 Millipore Corporation High-throughput asymmetric membrane
JP2005525926A (en) * 2002-05-17 2005-09-02 ミリポア・コーポレイション High throughput asymmetric membrane

Also Published As

Publication number Publication date
GB2238966A (en) 1991-06-19
GB8924411D0 (en) 1989-12-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941030