Abstract
A theoretical relationship is derived for the wrinkle recovery of a fabric, constructed from a blend of two fiber types, as a function of both blend proportion and the properties of the two fabrics composed entirely of each separate component. It is shown that, in general, this relationship is not linear with blend proportion, as has often been expected, but is a monotonic curve, the curvature being controlled in nature and extent by the ratio of the bending stiffnesses of the two pure fabrics (defined under certain specified experimental conditions). By suitable choice of appropriate fiber and fabric parameters, the theory suggests ways to optimize the blend proportions. The theory is successfully applied to experimental data already published for a series of wool/polyester blend fabrics.
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