Synthesis and Dyeing Properties of Sulfadiazine-based Antimicrobial Azo Disperse Dyes on Polyester

Sulfadiazine, an antibacterial agent, was used in combination with the different coupling components to synthesize three sulfadiazine-based azo disperse dyes with antibacterial properties. The chemical structures of the synthesized dye were verified using FT-IR spectroscopy and 1H-NMR analysis, and the spectral properties of the dyes were analyzed using a UV-Visible spectrophotometer. Among the synthesized azo dispersion dyes, the more hydrophobic dye exhibited superior build-up properties on PET fabrics. The colorfastness of PET fabrics dyed with the synthesized dyes showed excellent color fastness to washing, perspiration, and rubbing. An analysis of the antibacterial properties of S. aureus and K. pneumoniae revealed that there was no significant antibacterial activity compared to that of undyed PET. However, a dyeing with a higher concentration of a particular dye produced an increase in antimicrobial properties.

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Synthesis and Dyeing Properties of Sulfadiazine-based Antimicrobial Azo Disperse Dyes on Polyester

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