DK463478A - SYNTHETIC MEMBRANES - Google Patents

SYNTHETIC MEMBRANES

Info

Publication number
DK463478A
DK463478A DK463478A DK463478A DK463478A DK 463478 A DK463478 A DK 463478A DK 463478 A DK463478 A DK 463478A DK 463478 A DK463478 A DK 463478A DK 463478 A DK463478 A DK 463478A
Authority
DK
Denmark
Prior art keywords
synthetic membranes
membranes
synthetic
Prior art date
Application number
DK463478A
Other languages
Danish (da)
Other versions
DK156813B (en
DK156813C (en
Inventor
M S Maxime
C J D Fell
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
Publication of DK463478A publication Critical patent/DK463478A/en
Publication of DK156813B publication Critical patent/DK156813B/en
Application granted granted Critical
Publication of DK156813C publication Critical patent/DK156813C/en

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
    • B01D69/1216—Three or more layers
    • 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
    • B01D67/0016—Coagulation
    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0083—Thermal after-treatment
    • 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
    • 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
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/14—Membrane materials having negatively charged functional groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/16—Membrane materials having positively charged functional groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DK463478A 1977-10-21 1978-10-17 A NISOTROP SYNTHETIC MEMBRANE WITH MULTILAYER STRUCTURE DK156813C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPD215577 1977-10-21
AUPD215577 1977-10-21
AUPD413478 1978-04-20
AUPD413478 1978-04-20

Publications (3)

Publication Number Publication Date
DK463478A true DK463478A (en) 1979-04-22
DK156813B DK156813B (en) 1989-10-09
DK156813C DK156813C (en) 1990-03-05

Family

ID=25642186

Family Applications (1)

Application Number Title Priority Date Filing Date
DK463478A DK156813C (en) 1977-10-21 1978-10-17 A NISOTROP SYNTHETIC MEMBRANE WITH MULTILAYER STRUCTURE

Country Status (9)

Country Link
JP (1) JPS5477289A (en)
BR (1) BR7806967A (en)
CH (1) CH633453A5 (en)
DE (1) DE2845797A1 (en)
DK (1) DK156813C (en)
GB (1) GB2006643B (en)
MY (1) MY8400317A (en)
NZ (1) NZ188666A (en)
SG (1) SG45283G (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028213C2 (en) * 1980-07-25 1990-12-06 Akzo Gmbh, 5600 Wuppertal Process for the production of an ultrafiltration membrane made of polyamide and a membrane produced therefrom
JPS6028826A (en) * 1983-07-26 1985-02-14 Hiroshi Suzuki Compound film having surface layer of thin film of cage zeolite and preparation thereof
EP0221959B1 (en) * 1985-05-16 1990-09-19 Memtec Limited Removing and recovering plant polyphenols
US5700844A (en) * 1996-04-09 1997-12-23 International Business Machines Corporation Process for making a foamed polymer
US5895263A (en) * 1996-12-19 1999-04-20 International Business Machines Corporation Process for manufacture of integrated circuit device
US5883219A (en) * 1997-05-29 1999-03-16 International Business Machines Corporation Integrated circuit device and process for its manufacture
US6333141B1 (en) 1998-07-08 2001-12-25 International Business Machines Corporation Process for manufacture of integrated circuit device using inorganic/organic matrix comprising polymers of three dimensional architecture
US6093636A (en) * 1998-07-08 2000-07-25 International Business Machines Corporation Process for manufacture of integrated circuit device using a matrix comprising porous high temperature thermosets
US6399666B1 (en) 1999-01-27 2002-06-04 International Business Machines Corporation Insulative matrix material

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE33526C (en) * N. BLUM in Paris Thread cutting machine
US3709774A (en) * 1970-05-13 1973-01-09 Gen Electric Preparation of asymmetric polymer membranes
JPS523343B2 (en) * 1972-04-28 1977-01-27
FR2227942A1 (en) * 1973-05-02 1974-11-29 Gen Electric Ultra-thin polymer film made by flotation - of polymer soln. on liquid surface followed by desolvating
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
DE2615954C3 (en) * 1975-04-22 1981-04-23 Kuraray Co., Ltd., Kurashiki, Okayama Polyvinyl alcohol based membrane
JPS5226380A (en) * 1975-08-25 1977-02-26 Sumitomo Chem Co Ltd Method of making semipermeable membranes
JPS6029282B2 (en) * 1976-09-03 1985-07-10 旭化成株式会社 Semipermeable membrane and its manufacturing method

Also Published As

Publication number Publication date
BR7806967A (en) 1979-05-08
JPS5630042B2 (en) 1981-07-13
GB2006643B (en) 1982-08-04
DE2845797A1 (en) 1979-05-03
JPS5477289A (en) 1979-06-20
NZ188666A (en) 1980-12-19
SG45283G (en) 1984-02-17
MY8400317A (en) 1984-12-31
DE2845797C2 (en) 1988-12-29
GB2006643A (en) 1979-05-10
CH633453A5 (en) 1982-12-15
DK156813B (en) 1989-10-09
DK156813C (en) 1990-03-05

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment
PUP Patent expired