BR8106719A - Processo para preparacao de membranas de poliamida liquofilas sem pele insoluveis em alcool folha de tal membrana e elemento filtrante compreendendo tal folha - Google Patents

Processo para preparacao de membranas de poliamida liquofilas sem pele insoluveis em alcool folha de tal membrana e elemento filtrante compreendendo tal folha

Info

Publication number
BR8106719A
BR8106719A BR8106719A BR8106719A BR8106719A BR 8106719 A BR8106719 A BR 8106719A BR 8106719 A BR8106719 A BR 8106719A BR 8106719 A BR8106719 A BR 8106719A BR 8106719 A BR8106719 A BR 8106719A
Authority
BR
Brazil
Prior art keywords
casting solution
alcohol
solution
polyamide resin
temperature
Prior art date
Application number
BR8106719A
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 BR8106719A publication Critical patent/BR8106719A/pt

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
    • 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
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—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)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polyamides (AREA)
  • Laminated Bodies (AREA)
  • External Artificial Organs (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
BR8106719A 1980-10-20 1981-10-19 Processo para preparacao de membranas de poliamida liquofilas sem pele insoluveis em alcool folha de tal membrana e elemento filtrante compreendendo tal folha BR8106719A (pt)

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
BR8106719A true BR8106719A (pt) 1982-07-06

Family

ID=22733932

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8106719A BR8106719A (pt) 1980-10-20 1981-10-19 Processo para preparacao de membranas de poliamida liquofilas sem pele insoluveis em alcool folha de tal membrana e elemento filtrante compreendendo tal folha

Country Status (17)

Country Link
US (1) US4340480A (pt)
EP (1) EP0050789B1 (pt)
JP (1) JPS5925603B2 (pt)
AT (1) ATE17926T1 (pt)
AU (1) AU534042B2 (pt)
BR (1) BR8106719A (pt)
CA (1) CA1161215A (pt)
DE (1) DE3173774D1 (pt)
DK (1) DK162196C (pt)
ES (1) ES8303483A1 (pt)
FI (1) FI68849C (pt)
IL (1) IL63929A (pt)
MX (1) MX160821A (pt)
NO (1) NO160903C (pt)
NZ (1) NZ198693A (pt)
PT (1) PT73838B (pt)
ZA (1) ZA817211B (pt)

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Also Published As

Publication number Publication date
DK162196C (da) 1992-02-17
PT73838B (en) 1983-01-17
DE3173774D1 (en) 1986-03-27
JPS5925603B2 (ja) 1984-06-19
EP0050789B1 (en) 1986-02-12
US4340480A (en) 1982-07-20
NO160903B (no) 1989-03-06
FI68849C (fi) 1985-11-11
ES506336A0 (es) 1983-02-01
NZ198693A (en) 1985-05-31
CA1161215A (en) 1984-01-31
MX160821A (es) 1990-05-30
AU7660081A (en) 1982-04-29
ATE17926T1 (de) 1986-02-15
PT73838A (en) 1981-11-01
FI813263L (fi) 1982-04-21
DK461081A (da) 1982-04-21
EP0050789A1 (en) 1982-05-05
ES8303483A1 (es) 1983-02-01
IL63929A (en) 1985-07-31
ZA817211B (en) 1982-09-29
NO160903C (no) 1989-06-14
NO813523L (no) 1982-04-21
FI68849B (fi) 1985-07-31
JPS5799303A (en) 1982-06-21
DK162196B (da) 1991-09-30
AU534042B2 (en) 1983-12-22

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