It is found that methyl silica turned into a hydrated state in the presence of water upon action of mechanical loads. In this case a significant amount of water can be transformed into a weakly associated form. In such state the water molecules do not participate in the formation of hydrogen bonds acquiring certain properties of supercritical water; in particular a capacity to form concentrated solutions with weakly polar substances. It is shown that the total interphase energy of strongly and weakly associated water increased under the influence of mechanical loads, which was caused by the change in the morphology of the interparticle space of methyl silica in the process of hydraulic sealing, the amount of the water in small clusters increased.
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The research was conducted with the grant support of the target research program of the National Academy of Science of Ukraine “New Functional Substances and Materials of Chemical Production” under agreement No. 19.
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Translated from Teoretychna ta Eksperymentalna Khimiya, Vol. 58, No. 1, pp. 42-47, January-February, 2022.
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Turov, V.V., Krupska, T.V. Influence of Mechanical Loads on the State of Water in the Hydrophobic Environment of Methyl Silica Particles. Theor Exp Chem 58, 48–53 (2022). https://doi.org/10.1007/s11237-022-09721-w
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DOI: https://doi.org/10.1007/s11237-022-09721-w