Abstract
The goal of this study was to utilize carrier for accelerating the rate of dyeing not only to enhance dyeing of polyester fabrics dyed with disperse dyes 3a,b, but also to save energy. Both the color strength expressed as dye uptake and the fastness properties of the dyed fabrics were evaluated.
Highlights
Disperse dyes cause environmental concern due to their widespread utility which has been increased in the textile industry since the discovery of synthetic fibers such as polyester
Disperse dyes have low water solubility and to be used from this medium, they must be milled to a very low particle size and dispersed in water using a surfactant, or else a carrier must be added during dyeing or printing [1,2,3,4]
The carrier may form a film around the surface of the fabrics wherein the dye is soluble, increasing the rate of transfer into the fabric [5,6,7]
Summary
Disperse dyes cause environmental concern due to their widespread utility which has been increased in the textile industry since the discovery of synthetic fibers such as polyester. This swelling can slow down liquor flow in packaging causing lowering of the polymer glass transition temperature (Tg), promoting polymer chain movements and creating free volume. This accelerates the distribution of the dye into the fabrics. The carrier may form a film around the surface of the fabrics wherein the dye is soluble, increasing the rate of transfer into the fabric [5,6,7]
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