Development of Biocidical Soaking Agents for Various Textile Goods

Textile materials that are used in medical facilities and other mass gathering locations, employed at the time of epidemics and military engagements are vulnerable to bioburden and may become a source of microbial contamination. Purpose of the study – to evaluate antimicrobial efficiency of biocidical compositions that are based on quaternary ammonium compounds and guanidine derivative polymers that are used as antimicrobial soaking agents for natural and synthetic textiles. Materials and methods. The authors have analyzed avalible literature on biocidical additives both in English and Russian languages. The authors also have tested natural and synthetic textiles and different antimicrobial soaking agents (compositions). One-day agar cultures of Staphilococcus aureus (strain 906) and Escherichia coli (strain 1257) served as test microorganisms. The efficiency of antimicrobial soaking agents for textiles towards test microorganisms has been evaluated by “agar plates” and “droplet infection” methods. Biocidical treatment of antimicrobial fabric was considered effective, if the inhibition zone of test microorganisms was at least 4 mm. Results. The papers under analysis have no data on the possibility of use of such compositions as soaking agents that will permit to obtain antimicrobial fabrics. The experimental studies provided data on bacteriostatic and bactericidal properties of used compositions. The comparative analysis has allowed to determine the most efficient compositions used for soaking of different fabrics. Conclusions. The soaking that contains 0,05% alkyldimethylbenzylammonium chloride, 0,05% polyhexamethylene guanidine hydrochloride, 0,05% triamin and 40,0% propylene glycol has turned out to be the most efficient one towards gram-positive and gram-negative microorganisms. It gives protective properties both to synthetic (polyamide 100%) and mixed fabrics (cotton 65% and Composition that contains 0,05% katanol and 40,0% polyethyleneglycol may be used to create antimicrobial soaking for fabrics of mixed compositions. This soaking may also be effective towards gram-positive microorganisms.