INFLUENCE OF LOW-TEMPERATURE PLASMA TREATMENT ON THE LIQUID FILTRATION EFFICIENCY OF MELT-BLOWN PP NONWOVENS IN THE CONDITIONS OF SIMULATED USE OF RESPIRATORY PROTECTIVE EQUIPMENT

摘要

Filtering nonwovens produced with melt-blown technology are one of the most basic materials used in the construction of respiratory protective equipment (RPE) against harmful aerosols, including bio- and nanoaerosols. The improvement of their filtering properties can be achieved by the development of quasi-permanent electric charge on the fibres. Usually corona discharge method is utilized for this purpose. In the presented study, it was assumed that the low-temperature plasma treatment could be applied as an alternative method for the manufacturing of conventional electret nonwovens for the RPE construction.