Process for indigo dyeing of wool and wool blends

摘要

A process for indigo dyeing of wool and wool blends comprising the steps of subjecting the wool and wool blends to a step of pretreatment by impregnation with a shrink resistance agent, subjecting the pretreated wool and wool blend yarns to the step of indigo dyeing and post dyeing, wherein the step of dyeing and post dyeing includes a single step or a plurality of steps of impregnation of the pretreated wool and wool blends in an indigo dye bath followed each time by the step of oxidation.