Development of filter materials with antimicrobial drugs for air filters

The goal of the research was to fabricate non-fabric filter materials with antimicrobial drugs for purification of air from microorganisms and mechanical particles. The properties of antimicrobial drugs used for treatment of fibrous materials were analyzed. Drugs for preparing antimicrobial filter materials were selected. Equipment for producing viscose fiber with antimicrobial drugs such as the AVK-0.6 IM system for preparing technical viscose threads and the ShA-5K spinning system were selected. Processes for treating viscose thread with antimicrobial drugs for forming cord of linear density 80–90 ktex and its embossing, drying, and cutting were developed. Experimental batches of non-fabric needle-punch material with antimicrobial drugs were produced. The antimicrobial activity was determined by the zone method and in liquid medium against test cultures including various classes and species of microorganisms.