On the Fabrication of Hydrophobic Coatings by Polycondensation of Fluoroalkylalkoxysilanes

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Resumo

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

Sobre autores

V. 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. 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. Dremova

Federal Research Center for Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Autor responsável pela correspondência
Email: ipkim@icp.ac.ru
Chernogolovka, Moscow oblast, 142432 Russia

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Declaração de direitos autorais © В.А. Бендерский, И.П. Ким, Н.Н. Дремова, 2023

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