Analysis of Certain Phenomena in Tussah Silk Dye-Free Coloration

Different color tussah fabric was got applied by dye-free coloration technology. When tussah fabric was treated with p-hydroxybenzaldehyde, red tussah fabric was obtained by coloration directly and two-step for deeper color, and brown color fabric was shown in one-bath coloration. In this paper, some phenomena showing in different processes of dye-free colorations was analyzed.