| 摘要 |
Process for the space-dyeing of yarn or sliver made from cellulose fibers, wherein a wound package of the said textile material is first impregnated with an aqueous liquor containing an alkaline substance and at least one component capable of entering into azo coupling, then - at least at one selected portion of the bobbin - one or several acid aqueous solutions each containing at least one diazonium compound of an aromatic amine and at least one phthalocyanine dyestuff having quaternary ammonium groups are injected, and finally the goods so treated are exposed to the action of heat for fixation of the phthalocyanine dyestuffs and for development of the azo dyestuffs. |
