Antibacterial finishing on textiles with nanosized silver complex

초록

We treated textiles such as fibers, yarns, and fabrics with a sulphur nano-silver colloidal solution(SNSE) having Ag/S complex which was a particle size of average 4.2 nm in ethanol base. The SNSE is a safe chemical agent having the perfect antibacterial efficacy with a very small amount of nano-sized silver and non-irritative solution to the skin. Antibacterial activity was evaluated by calculation of bacteria reduction against Gram-positive(Staphylococcus aureus) and Gram-negative(Klebsiella pneumoniae) bacteria. The treated textile materials with the silver complex were investigated the resistivity against insect pests through both calculation of the fiber loss weight and visible assessment attacked by larvae after 14 days in given conditions. In addition, we performed antistatic efficacy tests of the finished fabrics with silver particle on their surface. The static electricity of the treated wool fabric was increased more up to 50 ppm, then, it was decreased according to the silver content. Consequently, it is demonstrated that the textile materials finished with nano-sized silver complex have various functionalities, such as mothproofing, antibiotic, and antistatic property.