布の透湿における水分移動の過渡特性

概要

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The rate of moisture transport through fabricq was measured by the cup-using method and the dynamic method with a new apparatus. The new apparatus which measured the rate of moisture transport at the transitional state was developed to make clear the mechanism of moisture transport through the cloth in wearing. The result were as follows ; The dynamic method used the time-constant value before attaining equilibrium in order to estimate the permeability. In case of standard samples of plastic-plate with holes that absorbed no moisture, the time-constant value was in inverse proportion to the area of holes. Therefore, this apparatus correctly measured the moisture resistance. It was found that there is an essential difference between the cup-using method and the dynamic method in the way of estimating the moisture transport . The former estimated the moisture trasport at equilibrium, therefore, the permeability depended relatively on the form of holes. On the contrary, the latter estimated the moisture transport before attaining equilibrium, therefore, it depended on the absorption effect of moisture.
松山東雲女子大学・松山東雲短期大学の論文