Improvement of dyeing and antimicrobial properties of nylon fabrics modified using chitosan-poly(propylene imine) dendreimer hybrid

چکیده مقاله

<h2 style="text-align: left;">Abstract</h2> <p id="spar0015" style="text-align: left;">Nylon fabric surface modification using chitosan-poly(propylene imine) dendreimer hybrid (CS-PPI) as a novel eco-friendly finishing agent has been reported. Effects of some operational parameters such as pH, temperature, time and CS-PPI concentration on grafting yield were examined through dye up-take using two commercial reactive dyes in terms of color strength (<em>K</em>/<em>S</em>). FTIR, SEM, and DSC data confirmed the grafting of CS-PPI onto nylon substrate. Optimal grafting values obtained were pH 4, temperature 60&nbsp;&deg;C, time 6&nbsp;h and 2.5&nbsp;g/L CS-PPI concentration. The performance of CS-PPI grafted nylon was investigated in terms of its dyeability, color fastness, and antimicrobial properties.</p>