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Journal of Sol-Gel Science and Technology

Erschienen in:

28.04.2020 | Review Paper: Functional coatings, thin films and membranes (including deposition techniques)

Synthesis of a polysiloxane coating and investigation of its functional properties with high hardness and flame retardancy

verfasst von: Juhua Ou, Zilin Dai, Yujing Chen, Zhenxing Kong, Rui Yang

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 1/2020

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Abstract

A high hardness and flame retardancy polysiloxane coating was prepared by the sol−gel method and its surface profile, thermal stability and flame retardancy were investigated. The physical properties and surface morphology were significantly effected by the m(R)/m(Si) values and types of silane coupling agents. The hardness of the polysiloxane coating films exhibited an increase as the ratio of m(R)/m(Si) decreases. The addition of KH560 to polysiloxane enabled the formation of hydrophobic property with high hardness and adhesive film on the polyacrylate substrate. The increase in cross-linking degree of the polysiloxane was found to be effective in improving the thermal stability. The microcalorimetry test confirmed that lowest peak heat release rate of polysiloxane was 30.44 W/g and the total heat release was 9.6 kJ/g. This article highlighted the high hardness and flame retardancy properties of the polysiloxane coating that has a potential use in protective films.

Nächster Artikel Structural, electrical, and weak ferromagnetic-to-antiferromagnetic nature of Ni and La co-doped BaTiO3 by sol–gel combustion route

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Titel: Synthesis of a polysiloxane coating and investigation of its functional properties with high hardness and flame retardancy
verfasst von: Juhua Ou
Zilin Dai
Yujing Chen
Zhenxing Kong
Rui Yang
Publikationsdatum: 28.04.2020
Verlag: Springer US
Erschienen in: Journal of Sol-Gel Science and Technology / Ausgabe 1/2020
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI: https://doi.org/10.1007/s10971-020-05297-w

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