Needle punched nonwoven silk waste material with antifungal properties for air filtration
О. I. YakovlevaInstitute of Applied Chemistry and Ecology, Saint Petersburg State University of Industrial Technologies and Design, Saint Petersburg, Russian FederationЕ. S. SashinaInstitute of Applied Chemistry and Ecology, Saint Petersburg State University of Industrial Technologies and Design, Saint Petersburg, Russian FederationI. A. NabievaDepartment “Chemical technology”, Tashkent Institute for Textile and Light Industry, Tashkent, Uzbekistan
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The paper presents an effective antistatic composition for forming the web from silk waste on a carding machine. As a result, the needle punched nonwoven material modified with silver and copper nanoparticles was obtained from Bombyx mori natural silk. The specific surface area of the material is 0.223 m2/g, the average size of macropores is 85 μm; the minimum is 30 μm and the maximum is 370 μm. The holding capacity in case of dolomite dust is 99.4%. The presence of silver and copper nanoparticles gives the material antifungal properties that remain stable after no less than 4 washings.
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