The Kinetics of Wool Dyeing

Abstract

The kinetic curves for the adsorption on textile fibers of a dye having a long hydrocarbon chain (Carbolan Crimson BS) indicate that there is an initial rapid, but limited, reaction which is followed by a much slower reaction. The influence of electrolytes, dye concentration, and temperature was studied, and the magnitude of the initial adsorption was correlated with the surface activity of the solution. The dye thus taken up was shown to be located on the fiber surface which, being largely nonpolar, is an interface for adsorption of surface-active substances. It is suggested that the surface activity of the dye contributes substantially to its high anion affinity.

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