CA1220990A - Membrane d'osmose inverse, et sa fabrication - Google Patents

Membrane d'osmose inverse, et sa fabrication

Info

Publication number
CA1220990A
CA1220990A CA000441485A CA441485A CA1220990A CA 1220990 A CA1220990 A CA 1220990A CA 000441485 A CA000441485 A CA 000441485A CA 441485 A CA441485 A CA 441485A CA 1220990 A CA1220990 A CA 1220990A
Authority
CA
Canada
Prior art keywords
prepolymer
solution
membrane
aromatic
amine
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
CA000441485A
Other languages
English (en)
Inventor
Stanley F. Rak
Kenneth Ward
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.)
Culligan International Co
Original Assignee
Culligan International 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 Culligan International Co filed Critical Culligan International Co
Application granted granted Critical
Publication of CA1220990A publication Critical patent/CA1220990A/fr
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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CA000441485A 1983-03-18 1983-11-18 Membrane d'osmose inverse, et sa fabrication Expired CA1220990A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47672783A 1983-03-18 1983-03-18
US476,727 1983-03-18

Publications (1)

Publication Number Publication Date
CA1220990A true CA1220990A (fr) 1987-04-28

Family

ID=23893004

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000441485A Expired CA1220990A (fr) 1983-03-18 1983-11-18 Membrane d'osmose inverse, et sa fabrication

Country Status (2)

Country Link
CA (1) CA1220990A (fr)
GB (1) GB2139113B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002602A1 (fr) * 1988-09-14 1990-03-22 Allied-Signal Inc. Membranes semi-permeables resistant au chlore
DK0503596T3 (da) * 1991-03-12 1996-07-29 Toray Industries Fremgangsmåde til fremstilling af en semipermeabel kompositmembran
ES2050606B1 (es) * 1992-09-02 1994-12-01 Toray Industries Un procedimiento para la produccion de una membrana semipermeable.
CN103328081B (zh) * 2011-01-24 2015-08-19 陶氏环球技术有限责任公司 复合聚酰胺膜

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151570A (en) * 1978-05-22 1979-11-28 Teijin Ltd Selectively permeable composite membrane and its manufacture
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane

Also Published As

Publication number Publication date
GB2139113A (en) 1984-11-07
GB2139113B (en) 1987-02-18
GB8404855D0 (en) 1984-03-28

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