AU505494B1 - Anisotropic multilayered synthetic semipermeable membrane - Google Patents

Anisotropic multilayered synthetic semipermeable membrane

Info

Publication number
AU505494B1
AU505494B1 AU40897/78A AU4089778A AU505494B1 AU 505494 B1 AU505494 B1 AU 505494B1 AU 40897/78 A AU40897/78 A AU 40897/78A AU 4089778 A AU4089778 A AU 4089778A AU 505494 B1 AU505494 B1 AU 505494B1
Authority
AU
Australia
Prior art keywords
anisotropic
semipermeable membrane
multilayered synthetic
synthetic semipermeable
multilayered
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
AU40897/78A
Other languages
English (en)
Inventor
Ms. M Lefebvre
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.)
Unisearch Ltd
Original Assignee
Unisearch 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 Unisearch Ltd filed Critical Unisearch Ltd
Priority to AU40897/78A priority Critical patent/AU505494B1/en
Priority to FR7829994A priority patent/FR2406469B1/fr
Application granted granted Critical
Publication of AU505494B1 publication Critical patent/AU505494B1/en
Expired 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/00091—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching by evaporation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D59/00—Separation of different isotopes of the same chemical element
    • B01D59/10—Separation by diffusion
    • B01D59/12—Separation by diffusion by diffusion through barriers
    • B01D59/14—Construction of the barrier
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • B01D69/1216—Three or more layers
    • 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)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AU40897/78A 1977-10-21 1977-10-21 Anisotropic multilayered synthetic semipermeable membrane Expired AU505494B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU40897/78A AU505494B1 (en) 1977-10-21 1977-10-21 Anisotropic multilayered synthetic semipermeable membrane
FR7829994A FR2406469B1 (fr) 1977-10-21 1978-10-20 Nouvelle membrane semi-permeable et son procede de preparation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPD215577 1977-10-21
AU40897/78A AU505494B1 (en) 1977-10-21 1977-10-21 Anisotropic multilayered synthetic semipermeable membrane
AUPD413478 1978-04-20

Publications (1)

Publication Number Publication Date
AU505494B1 true AU505494B1 (en) 1979-11-22

Family

ID=27154039

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40897/78A Expired AU505494B1 (en) 1977-10-21 1977-10-21 Anisotropic multilayered synthetic semipermeable membrane

Country Status (2)

Country Link
AU (1) AU505494B1 (fr)
FR (1) FR2406469B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006589A1 (fr) * 1985-05-16 1986-11-20 Memtec Limited Extraction et recuperation de polyphenols vegetaux
AU635822B2 (en) * 1990-03-09 1993-04-01 Kyowa Hakko Kogyo Co. Ltd. Dry plasma product and process for the production thereof

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028213C2 (de) * 1980-07-25 1990-12-06 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung einer Ultrafiltrationsmembran aus Polyamid und daraus hergestellte Membran
US4770777A (en) * 1987-01-29 1988-09-13 Parker Hannifin Corporation Microporous asymmetric polyamide membranes
ATE141825T1 (de) * 1988-10-19 1996-09-15 Joopary Arastoo Khodai Membrantrennverfahren für gase, isotope und flüssigkeiten
US5006247A (en) * 1989-08-15 1991-04-09 Minnesota Mining And Manufacturing Company Asymmetric porous polyamide membranes
DE4004153C1 (en) * 1990-02-10 1991-08-08 Metallgesellschaft Ag, 6000 Frankfurt, De Multilayered membrane with high sepn. performance - comprises carrier layer of polyamide, polyvinylidene-di:fluoride polyester or glass fibres porous supply and PVA sepn. layer
DE4024517C1 (fr) * 1990-08-02 1991-11-21 Metallgesellschaft Ag, 6000 Frankfurt, De
DE69125910T2 (de) * 1990-10-18 1997-11-20 Dainippon Ink & Chemicals Asymmetrische Polymermembran und Verfahren zu ihrer Herstellung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526588A (en) * 1967-09-21 1970-09-01 Amicon Corp Macromolecular fractionation process
US3709774A (en) * 1970-05-13 1973-01-09 Gen Electric Preparation of asymmetric polymer membranes
GB1391973A (en) * 1971-09-07 1975-04-23 Aqua Chem Inc Polyvinyl acetal membrane
JPS523343B2 (fr) * 1972-04-28 1977-01-27
US3810814A (en) * 1972-12-18 1974-05-14 Gen Electric Asymmetric polymer membranes of reduced elastic modulus
US3876738A (en) * 1973-07-18 1975-04-08 Amf Inc Process for producing microporous films and products
DE2615954C3 (de) * 1975-04-22 1981-04-23 Kuraray Co., Ltd., Kurashiki, Okayama Membran auf Basis von Polyvinylalkohol

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006589A1 (fr) * 1985-05-16 1986-11-20 Memtec Limited Extraction et recuperation de polyphenols vegetaux
AU590281B2 (en) * 1985-05-16 1989-11-02 Memtec Limited Removing colourants with polyamides
AU635822B2 (en) * 1990-03-09 1993-04-01 Kyowa Hakko Kogyo Co. Ltd. Dry plasma product and process for the production thereof

Also Published As

Publication number Publication date
FR2406469B1 (fr) 1986-07-11
FR2406469A1 (fr) 1979-05-18

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