ポリエチレンテレフタレート極細繊維表面による吸湿

概要

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The behaviors of water vapor sorption were measured at 60-90℃ with inverse gas chromatography for poly (ethylene terephthalate) fibers having diameters, 8, 7 and 4μm. The diameters and the crystallinities were measured with SEM and X-ray diffraction measurement. The amount of water vapor sorption at each temperature decreased inversely with the fiber diameter. The sorption isotherms were of BET II type. The number of the first adsorption site decreased linearly with temperature for the 4μm diameter fiber. The adsorption energy was ca. 44kcal/mol, slightly larger than that of water condensation, irrespective of the fiber diameter. The decrease of the water vapor sorption by PET micro fiber inversely with the diameter, was discussed in contrast of the increase by Nylon6.
東京聖栄大学の論文
2005-12-20