CA1179809A - Process for preparation of improved semipermeable composite membranes - Google Patents

Process for preparation of improved semipermeable composite membranes

Info

Publication number
CA1179809A
CA1179809A CA000367528A CA367528A CA1179809A CA 1179809 A CA1179809 A CA 1179809A CA 000367528 A CA000367528 A CA 000367528A CA 367528 A CA367528 A CA 367528A CA 1179809 A CA1179809 A CA 1179809A
Authority
CA
Canada
Prior art keywords
polymer
amino groups
group
primary
temperature
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
CA000367528A
Other languages
English (en)
French (fr)
Inventor
Hiroyoshi Minematsu
Takeyuki Kawaguchi
Shigeyoshi Hara
Yuzuru Hayashi
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Application granted granted Critical
Publication of CA1179809A publication Critical patent/CA1179809A/en
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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
CA000367528A 1979-12-28 1980-12-24 Process for preparation of improved semipermeable composite membranes Expired CA1179809A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP170,359/79 1979-12-28
JP17035979A JPS5695304A (en) 1979-12-28 1979-12-28 Perm selective composite membrane and its production

Publications (1)

Publication Number Publication Date
CA1179809A true CA1179809A (en) 1984-12-27

Family

ID=15903465

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000367528A Expired CA1179809A (en) 1979-12-28 1980-12-24 Process for preparation of improved semipermeable composite membranes

Country Status (4)

Country Link
US (1) US4388189A (enExample)
EP (1) EP0031730A3 (enExample)
JP (1) JPS5695304A (enExample)
CA (1) CA1179809A (enExample)

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Also Published As

Publication number Publication date
EP0031730A2 (en) 1981-07-08
EP0031730A3 (en) 1981-12-30
JPS6322843B2 (enExample) 1988-05-13
US4388189A (en) 1983-06-14
JPS5695304A (en) 1981-08-01

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