Abstract
Cotton was successfully treated by chitosan––dendrimer PPI hybrid (CS–PPI) using pad-dry-cure method. Scanning electron microscope (SEM), Fourier transform infra red (FTIR) and weight gain analysis clearly confirmed that CS–PPI was grafted on cotton through the formation of new chemical bonds. Due to the presence of CS–PPI on the surface of cotton, the weight gain of cotton was ∼6% increased, and consequently the antimicrobial activity of the treated fabrics under optimum conditions was raised. As a worthy phenomenon, the treated cotton with CS–PPI in a concentration of 20% on the weight of the fabric was shown 100% of bacterial reduction.
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