Effects of pre-treatment processes on reactive dyeing of viscose fabrics

Like other regenerated fibers, viscose fibers are naturally clean fibers Although their pre-treatment processes are not complicated there is no standard process of viscose fabrics This paper examines the effects of different pre-treatment processes in terms of the changes in macromolecular structure, fiber surface and color efficiencies Subsequent to each pre-treatment process, fabrics having, different structures were dyed with different reactive dyestuffs in different shades For analyzing these effects, the iodine sorption method and, respectively, SEM, photographs, were used Moreover, multiple Duncan post hoc comparison tests were used for comparing the influences of pre-treatment process, dyestuff and color shades and different fabric structures on the morphology and fiber surface, as well as on the color efficiency