GB2064367B - Semi-permeable composite membrane - Google Patents

Semi-permeable composite membrane

Info

Publication number
GB2064367B
GB2064367B GB7941721A GB7941721A GB2064367B GB 2064367 B GB2064367 B GB 2064367B GB 7941721 A GB7941721 A GB 7941721A GB 7941721 A GB7941721 A GB 7941721A GB 2064367 B GB2064367 B GB 2064367B
Authority
GB
United Kingdom
Prior art keywords
semi
composite membrane
permeable composite
permeable
membrane
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
GB7941721A
Other versions
GB2064367A (en
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.)
Toray Industries Inc
Original Assignee
Toray Industries 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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to GB7941721A priority Critical patent/GB2064367B/en
Publication of GB2064367A publication Critical patent/GB2064367A/en
Application granted granted Critical
Publication of GB2064367B publication Critical patent/GB2064367B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/601—Polyethylenimine
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB7941721A 1979-12-04 1979-12-04 Semi-permeable composite membrane Expired GB2064367B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7941721A GB2064367B (en) 1979-12-04 1979-12-04 Semi-permeable composite membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7941721A GB2064367B (en) 1979-12-04 1979-12-04 Semi-permeable composite membrane

Publications (2)

Publication Number Publication Date
GB2064367A GB2064367A (en) 1981-06-17
GB2064367B true GB2064367B (en) 1984-02-29

Family

ID=10509585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7941721A Expired GB2064367B (en) 1979-12-04 1979-12-04 Semi-permeable composite membrane

Country Status (1)

Country Link
GB (1) GB2064367B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824304A (en) * 1981-08-07 1983-02-14 Toray Ind Inc Semipermeable composite membrane of high performance
CA1182959A (en) * 1981-01-15 1985-02-26 Wolfgang J. Wrasidlo Reverse osmosis membrane and process for making the same
JPS5824303A (en) * 1981-08-03 1983-02-14 Teijin Ltd Oxidation resistant composite semipermeable membrane
JPS59115704A (en) * 1982-12-24 1984-07-04 Toray Ind Inc Treatment of semipermeable membrane
GB2144344B (en) * 1983-08-02 1986-11-26 Shell Int Research Composite dense membrane
ATE115437T1 (en) * 1989-04-14 1994-12-15 Weizmann Kiryat Membrane Prod SOLVENT RESISTANT DIAPHRAGM.
US5032282A (en) * 1989-04-14 1991-07-16 Aligena Ag Solvent-stable semipermeable composite membranes
KR101985351B1 (en) * 2011-04-01 2019-06-03 도레이 카부시키가이샤 Composite semipermeable membrane, composite semipermeable membrane element, and method for manufacturing composite semipermeable membrane

Also Published As

Publication number Publication date
GB2064367A (en) 1981-06-17

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19991203