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Long chain alcohols (1-dodecanol, 1-tetradecanol, 1-octadecanol) have been reacted at 130°C with E-glass plates, fibres and powders to modify the solid surface in order to enhance their bonding as reinforcing materials in polymer matrices. Silane-coupling agents are generally used for such modification processes but long chain alcohols may offer a cheaper alternative. Alcohols are known to bond...
A relationship between the alkyl chain length of molecules separating hydrophilic surfaces from hydrophilic liquids and the resulting contact angle is established by considering both the molecular packing of the alkane chains and equations developed to describe contact angles on heterogeneous surfaces. A model is developed for the ideal packing of alkane molecules with particular reference to alcohol-...
The film thickness of organic molecules adsorbed onto a substrate may be predicted by a simple comparison of relative atomic concentrations if a well characterised film is used to form a calibration curve. Values of the attenuation length determined by X-ray photoelectron spectroscopy (XPS) are therefore not required.Cetyltrimethylammonium bromide (CTAB) is ideal as a calibration standard, because...
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