Effect of Chitosan Pre-Treatment on Color Fastness of Cotton Fabric with Natural Dyes from Mango Leaves Extract

Application of natural dyes in textile coloring has been widely used because it is more environmentally friendly than synthetic and able to produce various colors from one dye. In this study, cotton fabric was treated with chitosan at different concentrations (0, 0.25%, 0.5%, 1%) determine its effect on the color fastness using mango leaves extract as dyes. Fastness ironing, washing sun drying chitosan-treated samples were measured compared untreated samples. The types mordants (ferrous sulphate alum) also investigated. Coloring dyed evaluated terms parameters (L* a* b*) dye absorption K/S values. results showed that wet dry rubbing each good. However, processed ferrous a lower value ironing alum. quite good results. or without pre-treatment very values High obtained fabrics pre-treated for all mordants. Fabric alum high brightness.