Air-filter media comprising a relofted spunbonded web, and methods of making and using

A relofted, spunbonded nonwoven web exhibiting a solidity of from less than 8.0%, to at least 3.0%, and exhibiting a Quality Factor of at least 0.30. Methods of making a relofted web; and, methods of using a relofted web as an air-filtration web, e.g. as a filter media or a layer thereof.

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Bibliographic Details
Main Authors Gerhardt, Bryan L, Thelen, Jacob J, Willis, Edward Keith, Berrigan, Michael R, Johnson, Daniel E, Zhang, Zhiqun
Format Patent
LanguageEnglish
Published 12.12.2023
Subjects
BRAIDING
COTTON-WOOL
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
KNITTING
LACE-MAKING
LAUNDERING
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
TREATMENT OF TEXTILES OR THE LIKE
TRIMMINGS
WADDING
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Summary:A relofted, spunbonded nonwoven web exhibiting a solidity of from less than 8.0%, to at least 3.0%, and exhibiting a Quality Factor of at least 0.30. Methods of making a relofted web; and, methods of using a relofted web as an air-filtration web, e.g. as a filter media or a layer thereof.
Bibliography:Application Number: US201917263875