method for the continuous dyeing of cellu - losevezels or mixtures thereof with synthe non fiber with the fiber formed in water, insoluble azo dyes.

摘要

Process for the continuous dyeing of textile material made of cellulose fibers or their mixtures with synthetic fibers in the form of endless ropes by developing water-insoluble azo dyestuffs on the fiber, which comprises impregnating the textile material at first with the alkaline bottoming bath by means of an overflow system or a combination of an overflow system and a preceding or following Venturi tube and then, optionally after intermediate rinsing or dwelling, treating the textile material with the acidic developing liquor and aftertreating and finishing it in the usual manner.