2011•Dyeing & FinishingRequires access

Alkaline dyeing of polyester fabric with disperse dyes

Chenhua Yao

Abstract

The dyeing properties of novel alkaline-stable disperse dyes Disperse R-900,Disperse R-902,Disperse orange BROB and Disperse B-825 are studied.The results show that novel alkaline-stable disperse dyes feature excellent stability in NaOH solution of pH value 12,good dye uptake and fastnesses without significant change of K/S value and color shade,and are suitable for dyeing polyester in alkaline bath,which provides the possibility for one bath pretreatment and dyeing of polyester/cotton blended or polyester fabrics.

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Key concepts: Dyeing, Polyester, Disperse dye, Orange (colour), Materials science, Polymer chemistry, Reactive dye, Chemistry