Abstract
The solvent penetration into fiber assemblies was investigated. The relationship between the solvent quantity penetrated by capillarity and the elapsed time was obtained on various kinds of fibers and on several degrees of porosity of fiber assemblies, 70, 80, 90, 95, and 97%. The kinds of fibers used were Rayon, Nylon, Polyester, Acrylic, and Wool. The solvent was Tetrachloroethylene, and distilled water was used for comparison. All measurements were made in saturated liquid vapour. No remarkable difference in the solvent amount penetrated was observed between various kinds of fibers. But the amount of distilled water penetrated varied greatly with the kinds of fibers in the case of the same degree of porosity. The solvent amount penetrated was in inverse proportion to the degree of porosity.
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