Nonwoven laminate barrier material

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 13/00 (2006.01) B29C 59/10 (2006.01) B32B 5/26 (2006.01) D06M 10/02 (2006.01) D06M 10/10 (2006.01) D06M 15/576 (2006.01)

Patent

CA 2212984

A nonwoven web laminate having improved particulate barrier properties is provided. Present on the nonwoven web laminate is an alcohol repellent material formed from a fluorinated urethane derivative. The particulate barrier properties are improved by subjecting said nonwoven web laminate to corona discharge.

L'invention concerne un laminé non tissé ayant des propriétés améliorées de barrière contre les particules. Le laminé non tissé contient un produit alcoolorépulsif constitué d'un dérivé d'uréthane fluoré. Pour améliorer les propriétés de protection antiparticulaire du laminé non tissé, celui-ci est soumis à une décharge en effet corona.

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