PVP- AND/OR PVL-CONTAINING COMPOSITE MEMBRANES AND METHODS OF USE

PVP- AND/OR PVL-CONTAINING COMPOSITE MEMBRANES AND METHODS OF USE

A composite membrane for selectively pervaporating a first liquid from a mixture comprising the first liquid and a second liquid. The composite membrane includes a porous substrate comprising opposite first and second major surfaces, and a plurality of pores. A PVP- or PVL-containing polymer is disp...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: David, Moses M, Zhou, Jinsheng, Mizuno, Kazuhiko
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:A composite membrane for selectively pervaporating a first liquid from a mixture comprising the first liquid and a second liquid. The composite membrane includes a porous substrate comprising opposite first and second major surfaces, and a plurality of pores. A PVP- or PVL-containing polymer is disposed in at least some of the pores so as to form a layer having a thickness within the porous substrate and/or disposed on top of the pores to form a layer.