Plasma treated electret filter media

Details Plasma treated electret filter media Plasma treated electret filter media

B - Operations, Transporting

01

D

B01D 39/16 (2006.01)

Patent

CA 2375744

An electret filter media includes an additive or mixtures thereof that enhance the charge stability of the media. The filter media achieves acceptable alpha values for a range of filtration challenges without significant decay in alpha values over time. Preferred charge additives include fatty acid amides and mixtures thereof.

L'invention concerne un milieu filtrant électret comportant un additif ou des mélanges d'additifs qui améliorent la stabilité de charge du milieu. Le milieu filtrant obtient des valeurs alpha acceptables pour une certaine catégorie de tests de provocation sans baisse significative des valeurs alpha dans le temps. Les acides aminés gras et des mélanges de ceux-ci font parties des additifs de charge préférés.

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