One-bath process dyeing for cotton/wool blended yarn

The Lanasol dyes and LS dyes were chosen for dyeing stuffs in this essay.By adding the special auxiliary YDR developed independently before dyeing to give the cotton/wool blending yarn pretreatment,the affinity between reactive dye and the cotton fiber was increased.Thus the problem of light colored cotton and deep colored wool in dyeing the cotton/wool blending yarn was resolved,and the yarn was imparted a good homochroma.The treating condition of the yarn by auxiliary YDR,the dyeing condition by Lanasol dyes were studied here.Finally a whole new set processing of the YDR treating and one-bath dyeing process were concluded.