Protective Coating Based on Organic Silicon Polymer of Ladder Structure Nanostructured with Alkoxysilane

Abstract:

New materials based on oligooxidridsilmethylensiloxysilane nanostructured with ethyl ester of orthosilicic acid – tetraethoxysilane have been studied in the research. Tetraethoxysilane introduction into the composition is supposed to cause its decomposition up to nanoparticles of silicon oxide. The alkoxysilane hydrolytic destruction kinetics and the impact of the composition and nature of the polymer composition components on the physical properties have been studied. Atomic force microscopy was used to study the structurization kinetics of the polymer composition. The composition hydrophobicity was determined by the edge wetting angle. To study the adhesion characteristics of the obtained material, the method of disc separation from the substrate has been used. The relative rigidity has been determined by a pendulum device M3. Atomic force microscopy revealed the presence of nanoscale neoplasms (at average of one hundred twenty per one square micrometer) in diameter from two to five nanometers in the surface structure of the composition, modified with tetraethoxysilane. Herewith the physical properties of the material change: rigidity increases, the edge angle of wetting increases as well. The studied nanostructured compositions can also be applied. For example – they can be used as a protective coating with a set of special properties, such as high hydrophobicity.

• Periodical: Materials Science Forum (Volume 992)
• Pages: 580-584
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.992.580
• Online since: May 2020
• Authors: V.Yu. Chukhlanov*, O.G. Selivanov, N.V. Chukhlanova
• Keywords: Adhesion, Hydrophobicity, Nanostructuring, Oligooxidridsilmethylensiloxysilane, Protective Coatings, Tetraethoxysilane

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