CA1145208A - Semipermeable composite membrane - Google Patents

Semipermeable composite membrane

Info

Publication number
CA1145208A
CA1145208A CA000335070A CA335070A CA1145208A CA 1145208 A CA1145208 A CA 1145208A CA 000335070 A CA000335070 A CA 000335070A CA 335070 A CA335070 A CA 335070A CA 1145208 A CA1145208 A CA 1145208A
Authority
CA
Canada
Prior art keywords
group
carbon atoms
membrane
polymer
groups
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
CA000335070A
Other languages
English (en)
French (fr)
Inventor
Takeyuki Kawaguchi
Yutaka Taketani
Noriaki Sasaki
Hiroyoshi Minematsu
Yuzuru Hayashi
Shigeyoshi Hara
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 CA1145208A publication Critical patent/CA1145208A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/58Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/60Polyamines
    • B01D71/601Polyethylenimine
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/44Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G85/00General processes for preparing compounds provided for in this subclass
    • C08G85/004Modification of polymers by chemical after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA000335070A 1978-09-06 1979-09-05 Semipermeable composite membrane Expired CA1145208A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP108,472/78 1978-09-06
JP10847278A JPS5535910A (en) 1978-09-06 1978-09-06 Permselectivity composite membrane and preparation thereof

Publications (1)

Publication Number Publication Date
CA1145208A true CA1145208A (en) 1983-04-26

Family

ID=14485614

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000335070A Expired CA1145208A (en) 1978-09-06 1979-09-05 Semipermeable composite membrane

Country Status (4)

Country Link
US (1) US4302336A (enExample)
EP (1) EP0008945A3 (enExample)
JP (1) JPS5535910A (enExample)
CA (1) CA1145208A (enExample)

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Also Published As

Publication number Publication date
EP0008945A3 (en) 1980-08-06
JPS5535910A (en) 1980-03-13
EP0008945A2 (en) 1980-03-19
JPS6111642B2 (enExample) 1986-04-04
US4302336A (en) 1981-11-24

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