Electret webs with charge-enhancing additives

Details Electret webs with charge-enhancing additives Electret webs with charge-enhancing additives

D - Textiles, Paper

04

H

D04H 3/16 (2006.01) D04H 3/14 (2006.01)

Patent

CA 2708117

Electret webs are presented which include a blend of a thermoplastic resin and a charge additive. The charge additives include ester- substituted and amide-substituted trianilino triazine materials. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.

L'invention porte sur des bandes de type électret qui comprennent un mélange d'une résine thermoplastique et d'un additif de charge. Les additifs de charge comprennent des matériaux de trianilino-triazine substituée par un ester et substituée par un amide. Les bandes préparées à partir des mélanges peuvent être sous la forme de films ou de bandes fibreuses non-tissées. Des bandes de microfibres non-tissées sont utiles en tant que milieux de filtration.

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