Method of making electret articles and filters with...

Details Method of making electret articles and filters with... Method of making electret articles and filters with...

B - Operations, Transporting

01

D

B01D 39/08 (2006.01) B01D 39/16 (2006.01) D01F 1/10 (2006.01) D01F 6/06 (2006.01) D04H 1/42 (2006.01) D04H 1/56 (2006.01)

Patent

CA 2304284

An electret article can be made by quenching a molten blend containing a polymer and a performance-enhancing additive. The resulting low crystallinity material can be annealed and charged to produce a material for making electret filters having superior oily mist loading performance properties.

Il est possible de produire cet article en électret par trempe d'un mélange fondu renfermant un polymère et un produit d'addition améliorant les caractéristiques de fonctionnement dudit article. Le matériau résultant, de faible cristallinité, peut ensuite être recuit et chargé afin de donner lieu à la matière première de filtres en électret dont les capacités à emmagasiner un brouillard huileux sont remarquables.

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