Abstract
Herein a simple approach to fabricate hybrid nanomaterials based on dendrimers as polymeric stabilizers for the preparation of silver nanoparticles in aqueous medium were presented. Solutions of these functional nanomaterials were used as finishing agents to produce antimicrobial textiles. The concept was verified on different generations of hydroxyl-terminated dendrimers with increasing size from first to fifth generation. The application was tested on two different fabrics types made of cotton and polyester. The thermal fixation was performed at 120 or 160°C. The antimicrobial properties of the treated fabrics were investigated using the bacteria Escherichia coli and Staphylococcus aureus. The antimicrobial effect of the treated fabrics was found which significant correlates not only with the amount of the silver content in the finishing agent but also with size of the generated Ag-nanoparticles. Furthermore, the results confirmed that the antimicrobial effect rises with increasing the dendrimers’ generations suggested due to decreasing the size of the formed silver particles. By changing both parameters thermal fixation and dendrimers’ generations, the strength of the antimicrobial effect can be controlled in a wide manner. This could be advantageous for applications demanding a textile with a certain antimicrobial effect.
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