Needle punched nonwoven silk waste material with antifungal properties for air filtration

Abstract

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.

Keywords

• natural silk waste
• needle punched nonwoven
• silver and copper nanoparticles