...Sraa Abu-Melha Purpose This paper aims to synthesise some novel diazobenzene dyestuffs clubbed with sulphonamide moiety and their application for polyester fabrics in addition to evaluating their biological activities. Design/methodology/approach New diazobenzene disperse dyes with improved...

.... Design/methodology/approach Simultaneous dyeing and antibacterial finishing for silk fabric using a new antibacterial acid dye having a modified chemical structure to curcumin were conducted. This modification of curcumin dye was carried out by introducing sulphonamide containing heterocyclic rings...

... of dye-bath exhaustion (%E) was calculated using equation (1): Antimicrobial j-Acid Reactive dyes Sulphonamide (1) % E = [ 1 − ( C 2 C 1 ) × 100 ] Where C1 and C2 are the concentrations of the dye-bath before and after dyeing...