Abstract
This article deals with a development of new filtration materials for respirators. Contemporary used filters with charged microfibers are not sufficiently stable in all conditions and not efficient for all types of particles and that is the reason why the requirement for new generation of filtration materials is rising up. The research was focused on the development of nanofibrous filters that have a great precondition to be used as filters for respirators. The filtering material was designed as a multilayer sandwich consisting of spundbound, meltblown and nanofibrous layers. For the evaluation of final properties and filtering performances different 3D structures were also created.
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