Synthesis of Core-Shell Polyborosiloxanes as a Heat-Resistant Platform

Deniz Gunes, Bunyamin Karagoz*

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Herein, new polyborosiloxanes (PBSs) were prepared using a straightforward synthetic approach to obtain a core-shell structure as a material with various features such as better adhesion ability to the applied surface and enhanced thermal properties. In this concept, in situ core-shell formation was allowed by sequential addition of ingredients with fixed conversions. First, pre-condensed polysiloxane was synthesized, with a 60% conversion, as a core by the reaction of phenyltriethoxysilane in the presence of water in an acidic condition. Subsequent addition of boric acid into the pre-condensate and a further condensation reaction resulted in the formation of the shell layer through the introduction of the -Si-O-B- bonds to the network of the PBS. The resulting resin was used as a binder for heat-resistant paint in combination with an aluminum pigment, and the paint applied on a metal plate was found to be resistant up to 600 °C in terms of adhesion strength. It was also demonstrated that the incorporation of boron in the core-shell structure showed better adhesion strength than the one-pot preparation of PBS. Using this method, not only the heat resistance requirement of the industrial coating was achieved but also the flame-retardant ability was introduced.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)43877-43882
Sayfa sayısı6
DergiACS Omega
Basın numarası48
Yayın durumuYayınlandı - 6 Ara 2022

Bibliyografik not

Publisher Copyright:
© 2022 The Authors. Published by American Chemical Society.


This work was supported by Denge Kimya. We are thankful to Aylin Aydemir and Aysegul Budak for the preparation and application of the heat-resistant paint.

FinansörlerFinansör numarası
Denge Kimya

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