Fluoropolymer Article For Bacterial Filtration

Fluoropolymer Article For Bacterial Filtration

A sterilizing grade filter including at least two non-sterile fluoropolymer membranes positioned in a stacked configuration is provided. The fluoropolymer membranes a bubble point from about 10 psi to about 50 psi, a thickness less than about 10 microns, and a mass/area less than about 10 g/m2. The...

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Hauptverfasser: ZHANG LEI, STRID JASON J, WIKOL MICHAEL
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Sprache:eng
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PERFORMING OPERATIONS
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SEPARATION
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creator ZHANG LEI
STRID JASON J
WIKOL MICHAEL
description A sterilizing grade filter including at least two non-sterile fluoropolymer membranes positioned in a stacked configuration is provided. The fluoropolymer membranes a bubble point from about 10 psi to about 50 psi, a thickness less than about 10 microns, and a mass/area less than about 10 g/m2. The non-sterile fluoropolymer membranes are is separated from each other by a distance d, which may be less than about 100 microns. The fluoropolymer membranes may be laminated or co-expanded to produce a composite stacked filtration material. In exemplary embodiments, at least one of the fluoropolymer membranes is an expanded polytetrafluoroethylene membrane. In one embodiment, the surface morphology of the fluoropolymer membranes are substantially the same and contain no or substantially no free fibrils. Methods of producing a sterilizing grade filter are also provided.
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title Fluoropolymer Article For Bacterial Filtration
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