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ZA817211B - Process for preparing liquophilic polyamide membrane filter media and product - Google Patents

Process for preparing liquophilic polyamide membrane filter media and product

Info

Publication number
ZA817211B
ZA817211B ZA817211A ZA817211A ZA817211B ZA 817211 B ZA817211 B ZA 817211B ZA 817211 A ZA817211 A ZA 817211A ZA 817211 A ZA817211 A ZA 817211A ZA 817211 B ZA817211 B ZA 817211B
Authority
ZA
South Africa
Prior art keywords
casting solution
solution
liquophilic
polyamide resin
temperature
Prior art date
Application number
ZA817211A
Other languages
English (en)
Inventor
David B Pall
Frank Model
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Publication of ZA817211B publication Critical patent/ZA817211B/xx

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
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
    • B01D65/102—Detection of leaks in membranes
    • 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
    • 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
    • B01D69/1214—Chemically bonded layers, e.g. cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/44—Cartridge types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • 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
    • B01D2325/36—Hydrophilic membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/38—Hydrophobic membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyamides (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • External Artificial Organs (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
ZA817211A 1980-10-20 1981-10-19 Process for preparing liquophilic polyamide membrane filter media and product ZA817211B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/198,570 US4340480A (en) 1978-05-15 1980-10-20 Process for preparing liquophilic polyamide membrane filter media and product

Publications (1)

Publication Number Publication Date
ZA817211B true ZA817211B (en) 1982-09-29

Family

ID=22733932

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA817211A ZA817211B (en) 1980-10-20 1981-10-19 Process for preparing liquophilic polyamide membrane filter media and product

Country Status (17)

Country Link
US (1) US4340480A (es)
EP (1) EP0050789B1 (es)
JP (1) JPS5925603B2 (es)
AT (1) ATE17926T1 (es)
AU (1) AU534042B2 (es)
BR (1) BR8106719A (es)
CA (1) CA1161215A (es)
DE (1) DE3173774D1 (es)
DK (1) DK162196C (es)
ES (1) ES506336A0 (es)
FI (1) FI68849C (es)
IL (1) IL63929A (es)
MX (1) MX160821A (es)
NO (1) NO160903C (es)
NZ (1) NZ198693A (es)
PT (1) PT73838B (es)
ZA (1) ZA817211B (es)

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Also Published As

Publication number Publication date
NO160903C (no) 1989-06-14
DK461081A (da) 1982-04-21
BR8106719A (pt) 1982-07-06
NO813523L (no) 1982-04-21
US4340480A (en) 1982-07-20
DK162196B (da) 1991-09-30
FI68849B (fi) 1985-07-31
NO160903B (no) 1989-03-06
AU7660081A (en) 1982-04-29
DE3173774D1 (en) 1986-03-27
EP0050789B1 (en) 1986-02-12
IL63929A (en) 1985-07-31
DK162196C (da) 1992-02-17
EP0050789A1 (en) 1982-05-05
JPS5799303A (en) 1982-06-21
NZ198693A (en) 1985-05-31
PT73838B (en) 1983-01-17
CA1161215A (en) 1984-01-31
JPS5925603B2 (ja) 1984-06-19
FI813263L (fi) 1982-04-21
AU534042B2 (en) 1983-12-22
MX160821A (es) 1990-05-30
ES8303483A1 (es) 1983-02-01
PT73838A (en) 1981-11-01
FI68849C (fi) 1985-11-11
ES506336A0 (es) 1983-02-01
ATE17926T1 (de) 1986-02-15

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