Spunbonded Air-Filtration Web

A single-layer spunbonded air-filtration web including meltspun autogenously bonded electret fibers with an Actual Fiber Diameter of from 3.0 microns to 15 microns. The air-filtration web exhibits a ratio of mean flow pore size to pore size range of from 0.55 to 2.5. Also disclosed are methods of ma...

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Bibliographic Details
Main Authors Gerhardt, Bryan L, Smith, Samatha D, Willgohs, Kent B, Thelen, Jacob J, Flage, Alexander P, Fox, Andrew R, Becker, Zachary J, Berrigan, Michael R, Stelter, John D, Sager, Patrick J, Kopecky, William J, Jasuja, Himanshu
Format Patent
LanguageEnglish
Published 25.08.2022
Subjects
BRAIDING
COTTON-WOOL
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
KNITTING
LACE-MAKING
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL
NON-WOVEN FABRICS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TEXTILES
TRANSPORTING
TRIMMINGS
WADDING
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Summary:A single-layer spunbonded air-filtration web including meltspun autogenously bonded electret fibers with an Actual Fiber Diameter of from 3.0 microns to 15 microns. The air-filtration web exhibits a ratio of mean flow pore size to pore size range of from 0.55 to 2.5. Also disclosed are methods of making such webs, and methods of using such webs to perform air filtration.
Bibliography:Application Number: US202017628683