Abstract
Dynamic mechanical analysis has been used to demonstrate the plasticizing action of benzyl alcohol on wet Courtelle S tow. The extent of plasticization. as measured by reduction in T g of the wet fibre, was found to correspond to the amount of benzyl alcohol adsorbed by the fibre; the maximum extent of plasticization coincided with the maximum concentration of benzyl alcohol adsorbed by the fibre, which, in turn corresponded to the aqueous solubility of the carrier under the application conditions employed. The extent of the enhancement of uptake of CI Basic Blue 3 onto acrylic fibre was found to be proportional to the extent of plasticization, a maximum value being reached at the aqueous solubility of the carrier.
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