PTFE membrane

The invention discloses porous PTFE membranes comprising a first porous surface and a second porous surface, and a bulk between the first porous surface and the second porous surface, wherein the membrane has a pore rating of from about 2 nanometers to about 50 nanometers, and the first and second p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SINGH AMARNAUTH, FIELDING JOANNA, GSELL THOMAS C, ISHEE MICHAEL, SITTERER ANDREW T
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses porous PTFE membranes comprising a first porous surface and a second porous surface, and a bulk between the first porous surface and the second porous surface, wherein the membrane has a pore rating of from about 2 nanometers to about 50 nanometers, and the first and second porous surfaces each comprise a ratio of non-fused nodule area to fused nodule area of about 1 or greater, and methods of making and using the membranes, are disclosed.