Nonwoven web dielectric electrects with surface treatments

Details Nonwoven web dielectric electrects with surface treatments Nonwoven web dielectric electrects with surface treatments

D - Textiles, Paper

04

H

D04H 13/00 (2006.01) B32B 5/26 (2006.01) D04H 1/42 (2006.01) D06M 10/02 (2006.01)

Patent

CA 2237062

A nonwoven web having improved particulate barrier properties is provided. A surface treatment having a breakdown voltage no greater than 13 KV direct current is present on the nonwoven web. The particulate barrier properties are improved by subjecting said surface treatment treated nonwoven web to corona discharge.

Cette invention concerne un non-tissé présentant des caractéristiques améliorées d'effet de barrière contre les particules. On effectue à la surface du non-tissé un traitement de tension disruptive inférieure à celle d'un courant continu de 13 kV. On améliore les caractéristiques d'effet de barrière contre les particules en soumettant le non-tissé ayant subis ledit traitement de surface à une décharge à effet corona.

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