Adsorptive filtering material with integrated...

Details Adsorptive filtering material with integrated... Adsorptive filtering material with integrated...

B - Operations, Transporting

01

J

B01J 20/28 (2006.01) A62D 5/00 (2006.01)

Patent

CA 2579566

The invention relates to an adsorptive filtering material endowed with integrated particle- and/or aerosol-protection and with protective performance with regard to biological and/or chemical noxiants, in particular biological and/or chemical warfare agents, the adsorptive filtering material having a multilayered construction comprising a support layer, an adsorptive layer associated to and preferably fixed to the support layer, and optionally a covering layer disposed on that side of the adsorptive layer that is remote from the support layer, wherein the adsorptive filtering material is additionally equipped with a particle- and/or aerosol-filtering layer. The adsorptive filtering material is particularly useful in NBC protective materials of any kind (as in protective apparel for example) and for producing filters.

L'invention concerne un matériau filtrant adsorbant apte à assurer une protection contre les particules et/ou les aérosols et offrant une protection efficace contre les agents biologiques et/ou chimiques toxiques, en particulier les agents de guerre biologiques et/ou chimiques, le matériau filtrant adsorbant comprenant plusieurs couches, y compris une couche support, une couche adsorbante connexe et préférablement fixée à la couche support et, en option, une couche de revêtement disposée de l'autre côté de la couche adsorbante en contact avec la couche support, et où le matériau filtrant adsorbant est aussi muni d'une couche de filtration de particules et/ou d'aérosol. Le matériau filtrant adsorbant est particulièrement utile dans les produits de protection NBC de toutes sortes (comme dans les tenues de protection par exemple) et dans la fabrication de filtres.

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