HIGHLY RETENTIVE POLYAMIDE HOLLOW FIBER MEMBRANES PRODUCED VIA CONTROLLED SHRINKAGE

HIGHLY RETENTIVE POLYAMIDE HOLLOW FIBER MEMBRANES PRODUCED VIA CONTROLLED SHRINKAGE

Described herein is a polyamide hollow fiber membrane and methods of making and using the hollow fiber membrane. The polyamide hollow fiber membrane has an isopropanol permeability of from about 5 L/m2 h bar to about 150 L/m2 h bar and a particle rejection percentage of about 100% for particles havi...

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Bibliographische Detailangaben
Hauptverfasser: CHENG, Kwok-Shun, TOWNLEY, Jeffrey, E, WOO, Maybelle
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:Described herein is a polyamide hollow fiber membrane and methods of making and using the hollow fiber membrane. The polyamide hollow fiber membrane has an isopropanol permeability of from about 5 L/m2 h bar to about 150 L/m2 h bar and a particle rejection percentage of about 100% for particles having a nominal diameter of from about 1 nm to about 25 nm. The polyamide hollow fiber membranes described herein are particularly useful for photoresist filtration, for example.