Cellulosic web with a contaminant barrier or trap

Details Cellulosic web with a contaminant barrier or trap Cellulosic web with a contaminant barrier or trap

D - Textiles, Paper

21

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D21H 27/00 (2006.01) B01D 69/14 (2006.01) B01D 71/08 (2006.01) B32B 27/10 (2006.01) C08L 1/00 (2006.01) C08L 97/02 (2006.01) D21H 17/24 (2006.01) D21H 19/24 (2006.01) D21H 27/10 (2006.01) D21H 27/30 (2006.01) D21H 19/20 (2006.01) D21H 19/34 (2006.01)

Patent

CA 2246762

A rigid or semi-rigid cellulosic sheet having barrier or trap properties. The sheet is composed of a layer of randomly oriented cellulosic fibers and a layer or a coating which can act as a barrier or a trap for contaminants from the layer of the cellulosic material. This layer comprises an effective permanent absorbing amount of a cyclodextrin compound.

Feuille de cellulose rigide ou semi-rigide dotée de propriétés de barrière ou de piège. Ladite feuille est composée d'une couche de fibres cellulosiques orientées au hasard et d'une couche ou d'un revêtement pouvant agir comme barrière ou piège pour les contaminants provenant de la couche de matériau cellulosique. Cette couche comprend une quantité efficace à absorption permanente d'un composé de cyclodextrine.

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