ES8303483A1 - Procedimiento para preparar membranas de poliamida sin piel,licuofilas e insolubles en alcohol - Google Patents

Procedimiento para preparar membranas de poliamida sin piel,licuofilas e insolubles en alcohol

Info

Publication number
ES8303483A1
ES8303483A1 ES506336A ES506336A ES8303483A1 ES 8303483 A1 ES8303483 A1 ES 8303483A1 ES 506336 A ES506336 A ES 506336A ES 506336 A ES506336 A ES 506336A ES 8303483 A1 ES8303483 A1 ES 8303483A1
Authority
ES
Spain
Prior art keywords
casting solution
solution
polyamide resin
liquophilic
temperature
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
ES506336A
Other languages
English (en)
Other versions
ES506336A0 (es
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.)
Pall Corp
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 ES8303483A1 publication Critical patent/ES8303483A1/es
Publication of ES506336A0 publication Critical patent/ES506336A0/es
Granted 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
    • 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)
  • External Artificial Organs (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE MEMBRANAS DE POLIAMIDA SIN PIEL, LICUOFILAS E INSOLUBLES EN ALCOHOL. CONSISTE EN DISOLVER EN UN DISOLVENTE DE POLIAMIDA 0,01-5% DE UNA RESINA DE POLIAMIDA INSOLUBLE EN ALCOHOL, QUE TIENE UNA RELACION CH :NHCO ENTRE 7:1 Y 12:1; INDUCIR LA NUCLEACION POR ADICION CONTROLADA DE UN NO DISOLVENTE DE LA RESINA DE POLIAMIDA; EXTENDER LA DISOLUCION SOBRE UN SUSTRATO; ENFRIAR LA PELICULA DE DISOLUCION HASTA LA TEMPERATURA DE GELIFICACION; PONER EN CONTACTO Y DILUIR LA PELICULA CON UN LIQUIDO NO DISOLVENTE; LAVAR Y SECAR LA MEMBRANA RESULTANTE. ESTAS MEMBRANAS TIENEN APLICACIONES COMO MEDIOS DE FILTRACION PARA ELIMINAR DE FLUIDOS PARTICULAS Y MICROORGANISMOS EN SUSPENSION.
ES506336A 1980-10-20 1981-10-19 Procedimiento para preparar membranas de poliamida sin piel,licuofilas e insolubles en alcohol Granted ES506336A0 (es)

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 (2)

Publication Number Publication Date
ES8303483A1 true ES8303483A1 (es) 1983-02-01
ES506336A0 ES506336A0 (es) 1983-02-01

Family

ID=22733932

Family Applications (1)

Application Number Title Priority Date Filing Date
ES506336A Granted ES506336A0 (es) 1980-10-20 1981-10-19 Procedimiento para preparar membranas de poliamida sin piel,licuofilas e insolubles en alcohol

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
DK162196B (da) 1991-09-30
CA1161215A (en) 1984-01-31
ZA817211B (en) 1982-09-29
FI68849C (fi) 1985-11-11
NO160903B (no) 1989-03-06
JPS5925603B2 (ja) 1984-06-19
NO160903C (no) 1989-06-14
NZ198693A (en) 1985-05-31
EP0050789B1 (en) 1986-02-12
ES506336A0 (es) 1983-02-01
NO813523L (no) 1982-04-21
BR8106719A (pt) 1982-07-06
FI813263L (fi) 1982-04-21
DK162196C (da) 1992-02-17
PT73838B (en) 1983-01-17
MX160821A (es) 1990-05-30
EP0050789A1 (en) 1982-05-05
FI68849B (fi) 1985-07-31
PT73838A (en) 1981-11-01
DK461081A (da) 1982-04-21
JPS5799303A (en) 1982-06-21
AU7660081A (en) 1982-04-29
DE3173774D1 (en) 1986-03-27
US4340480A (en) 1982-07-20
ATE17926T1 (de) 1986-02-15
AU534042B2 (en) 1983-12-22
IL63929A (en) 1985-07-31

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