VI. DYEING THE TEXTILE MATERIALS
In this study, the three dyeing methods namely, premordanting,
post-mordanting and simultaneous mordanting
and dyeing are carried out. In pre-mordanting method, Method
I, mordanting process is done before dyeing operation. In
simultaneous mordanting and dyeing method, Method II,
mordant, dye and fabric are added in a pot and treated
together. In post-mordanting method, Method III, mordanting
process is done after dyeing operation. The conditions for each dyeing method are shown in Table IV.