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On the Fabrication of Hydrophobic Coatings by Polycondensation of Fluoroalkylalkoxysilanes
- Authors: Benderskii V.A.1, Kim I.P.1, Dremova N.N.1
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Affiliations:
- Federal Research Center for Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences
- Issue: Vol 57, No 2 (2023)
- Pages: 120-124
- Section: НАНОРАЗМЕРНЫЕ СИСТЕМЫ И МАТЕРИАЛЫ
- URL: https://bakhtiniada.ru/0023-1193/article/view/139980
- DOI: https://doi.org/10.31857/S0023119323020055
- EDN: https://elibrary.ru/NGQLTX
- ID: 139980
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Abstract
It has been shown that for obtaining hydrophobic coatings, it is reasonable to use fluoroalkylalkoxysilanes (FASs) with a longer fluoroalkyl chain than FAS-19, so that the F/Si molar ratio exceeds 5–6. It is proposed to purposefully change not only the chain length of oligomers, but also the structure of solutions from dilute colloidal solutions to structured gels, with the F/Si ratio being controlled. In the case of polycondensation of investigated fluoroalkylalkoxysilanes on a hydroxylated surface, a strong silicone framework is formed, which is chemically bonded to the surface and to fluoroalkyl chains oriented perpendicular to it
About the authors
V. A. Benderskii
Federal Research Center for Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences
Email: ipkim@icp.ac.ru
Chernogolovka, Moscow oblast, 142432 Russia
I. P. Kim
Federal Research Center for Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences
Email: ipkim@icp.ac.ru
Chernogolovka, Moscow oblast, 142432 Russia
N. N. Dremova
Federal Research Center for Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences
Author for correspondence.
Email: ipkim@icp.ac.ru
Chernogolovka, Moscow oblast, 142432 Russia
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