Khatami, Hassan

[ 1 ] - Improving light fastness of Reseda Luteola natural dyed wool with antioxidants and UV absorbent

One of the problems of natural yellow dyes (weld) is their low stability against light and their high fading rate. One of the main destructive factors in pale of color fibers and hand-woven carpet is the high-energy ultraviolet radiation which causes chemical bonds to break and optically damages of organic structures. In this study, the effect of some antioxidants (gallic acid, ascorbic acid) a...