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June 15, 2011

Disperse Dye

Disperse dye explain organic colouring substance that understand used for lonising group free water in hydrophobic fiber. Disperse dyes were originally developed for the dyeing of cellulose fiber, it is  water insoluble. The dyes are finely ground in the presence of a dispersing agent and sold as a paste, or spray-dried and sold as a powder. Disperse dye use to polyester , it  can also be used to dye nylon, acrylic, and cellulose triacetate fibres.In some cases, a dyeing temperature of 130 °C is required, and use a dyebath.
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