Filtration medias, fine fibers under 100 nanometers, and...

Details Filtration medias, fine fibers under 100 nanometers, and... Filtration medias, fine fibers under 100 nanometers, and...

B - Operations, Transporting

01

D

B01D 39/16 (2006.01)

Patent

CA 2705557

An electrospinning fine fiber production methodology for generating a significant amount of fibers with diameters of less than 100 nanometers is provided. Also, a filter media composite comprising a substrate layer and an electrospun fine fiber layer having a increased efficiency relative to pressure drop and/or a controlled pore size distribution is provided. According to some embodiments nylon is electrospun from a solvent combination of formic and acetic acids.

L'invention concerne une méthodologie de production de fibre fine par électrofilage pour produire une quantité importante de fibres ayant des diamètres inférieurs à 100 nanomètres. L'invention concerne également un milieu filtrant composite comprenant une couche de substrat et une couche de fine fibre électrofilée ayant une efficacité accrue par rapport à une chute de pression et/ou une répartition de dimension de pore commandée. Selon certains modes de réalisation du Nylon est électrofilé à partir d'une combinaison de solvant d'acides formique et acétique.

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