FILTER MEDIA COMPRISING POLYAMIDE NANOFIBER LAYER

FILTER MEDIA COMPRISING POLYAMIDE NANOFIBER LAYER

Filter media comprising a polyamide nanofiber layer is disclosed. The polyamide may have a Relative Viscosity from 2 to 200. The polyamide nanofiber layer may have a melt point of 225C or greater. The nanofibers may have an average fiber diameter of less than 1000 nanometers (1 micron). Methods for...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MENNER, Joseph L, ORTEGA, Albert E, OSBORN, Scott E, YUNG, Wai-Shing
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Filter media comprising a polyamide nanofiber layer is disclosed. The polyamide may have a Relative Viscosity from 2 to 200. The polyamide nanofiber layer may have a melt point of 225C or greater. The nanofibers may have an average fiber diameter of less than 1000 nanometers (1 micron). Methods for preparing the filter media are also disclosed. In general, the method includes: (a) providing a spinnable polyamide polymer composition, wherein the polyamide has a Relative Viscosity from 2 to 200; (b) melt spinning the polyamide polymer composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the polyamide nanofiber layer.