Abstract
The dispersive component γ ds of the surface free energy of glass fibers and its interaction energy with alkanes, benzene, 1-nitropropane, ethyleneglycol, glycerol, formamide, and water were quantitatively determined by the tensiometric method within two liquids. The values of nondispersive interaction energy I pSL were found to be a linear function of the square root of the nondispersive component of the surface free energy of liquids. This suggests that the nondispersive interaction energy may be represented by the geometric mean of the nondispersive component of the surface free energy of a solid and a liquid. The slope gave the nondispersive component γ ps of the surface free energy. The γ ps values are 33 and 14 mJ/m2 for the untreated and aminosilane-treated fibers, respectively, suggesting that organophilic character has developed on the surface after aminosilane treatment. The γ ps value was almost similar after the treatment, probably because of the polar characteristics of amino groups.
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Tsutsumi, K., Abe, Y. Determination of dispersive and nondispersive components of the surface free energy of glass fibers. Colloid & Polymer Sci 267, 637–642 (1989). https://doi.org/10.1007/BF01410441
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DOI: https://doi.org/10.1007/BF01410441