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ISSN 0012-5008, Doklady Chemistry, 2019, Vol. 484, Part 2, pp. 44–47. © Pleiades Publishing, Ltd., 2019. Russian Text © E.V. Morozov, V.M. Buznik, A.S. Bespalov, D.V. Grashchenkov, 2019, published in Doklady Akademii Nauk, 2019, Vol. 484, No. 5. CHEMISTRY Magnetic Resonance Imaging of Water Absorption by Highly Porous Ceramic Materials a,b, c,d c c E. V. Morozov *, Academician V. M. Buznik , A. S. Bespalov , and D. V. Grashchenkov Received July 20, 2018 Abstract—A nontrivial character of water absorption in highly porous ceramic materials has been demon- strated for the first time by magnetic resonance imaging: a phenomenon of hygroscopic memory has been detected consisting in the concentration of adsorbed water in certain areas inside the sample, repeated during subsequent wetting with water. It has been shown that hydrophobization of the material by applying f luoro paraffin coatings to oxide fibers using the method of dissolution of f luoropolymers in supercritical CO has a significant impact on the transport of water into products and can be considered an efficient means of pro- tecting porous materials from moisture. The results demonstrate the capabilities of the MRI method in study- ing the water absorption and identifying water migration pathways
Doklady Chemistry – Springer Journals
Published: Apr 19, 2019
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