Nonwoven web comprising polyarenazole microfibers and...

Details Nonwoven web comprising polyarenazole microfibers and... Nonwoven web comprising polyarenazole microfibers and...

D - Textiles, Paper

04

H

D04H 1/42 (2006.01) D01F 6/74 (2006.01)

Patent

CA 2656470

Provided is a fiber web comprising polymer fiber having an average fiber diameter of about 20 to 5000 nm, where the polymer fiber comprises a polyarenazole polymer having an inherent viscosity of greater than about 20g/dl and the fiber web has a basis weight of from about 0.1 to 200 grams per square meter. Also provided are articles comprising such webs and methods of preparing such webs.

L'invention porte sur un voile fibreux qui comprend des fibres polymères possédant un diamètre de fibre moyen de 20 à 5000 nm environ, la fibre polymère renfermant un polymère polyarénazole d'une viscosité inhérente supérieure à 20g/dl environ et le voile fibreux possédant un poids de base de 0,1 à 200 grammes par mètre carré environ. L'invention concerne également des articles comprenant les voiles précités, et des procédés de préparation de ces voiles.

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