Abstract
Bleached, mercerized cotton fabrics were used in this research. In the first phase, the dyeing of cotton fabrics with a blue vat dye Bezathren Blau BCE was performed, and in the second phase, the dyed fabrics were immersed into a colloidal silver solution. The colloidal silver solution was prepared via synthesis from AgNO3 and reduced with NaBH4. Parent cotton fabrics were also immersed into the colloidal silver solution. A comparison of the quantity of silver on the parent and vat-dyed cotton fabrics was performed. Inductively coupled plasma mass spectrometry revealed a silver content that was almost two times higher on the dyed and silver-treated cotton fabrics. All samples (parent and dyed) treated in the colloidal silver solution showed excellent antimicrobial activity. The fiber surfaces were imaged using a scanning electron microscope. The mechanical properties of vat-dyed and vat-dyed silver-treated fabrics and the wash fastness of silver-treated samples were determined.
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