A PROCESS FOR DYEING OF WOOL OR SILK AND THEIR BLENDS (FIBRE /YARN/FABRIC) WITH INDIGO

摘要

The invention relates to a process for pretreatment of wool, silk or blends thereof rendering it receptive for the subsequent step of indigo dyeing. The pretreatment steps comprises in the step of cationization for imparting cationic charge and generating other dye combining sites.