MICROPOROUS MEMBRANE AND METHOD FOR FORMING

MICROPOROUS MEMBRANE AND METHOD FOR FORMING

The present disclosure describes a multizone microporous membrane comprising a first zone and a second zone independently comprising pores having average pore diameters, such that the average pore diameters of the first zone are greater than the average pore diameters of the second zone, the multizo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MEZHIROV, MIKHAIL S, ROMDHANE, ILYESS H
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:The present disclosure describes a multizone microporous membrane comprising a first zone and a second zone independently comprising pores having average pore diameters, such that the average pore diameters of the first zone are greater than the average pore diameters of the second zone, the multizone microporous membrane having a water flux measurement of at least 3,000 lmh / psi and a forward flow bubble point measurement comprising a first zone pressure peak less than 5 psi and an initial bubble point pressure measurement less than 15 psi.