Sialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity

This article describes the modification of UV-curable coatings with silicon aluminum oxynitride (Sialon) and aluminum oxide (Alu C), which improve the hydrophobicity of the coating surface and the scratch hardness. The contact angle is greater due to surface roughness being enhanced with inorganic f...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Mariola Robakowska, Łukasz Gierz, Hubert Gojzewski
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	aluminum oxide Sialon UV-curable coating scratch hardness hydrophobicity AFM Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/571181c612b84f478807c1e8d2cfeee9
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:571181c612b84f478807c1e8d2cfeee9
record_format	dspace
spelling	oai:doaj.org-article:571181c612b84f478807c1e8d2cfeee92021-11-25T17:17:04ZSialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity10.3390/coatings111114242079-6412https://doaj.org/article/571181c612b84f478807c1e8d2cfeee92021-11-01T00:00:00Zhttps://www.mdpi.com/2079-6412/11/11/1424https://doaj.org/toc/2079-6412This article describes the modification of UV-curable coatings with silicon aluminum oxynitride (Sialon) and aluminum oxide (Alu C), which improve the hydrophobicity of the coating surface and the scratch hardness. The contact angle is greater due to surface roughness being enhanced with inorganic fillers. Improved scratch resistance results from the formation of a sliding layer triggered by the diffusion of Sialon or alumina on the coating surface. One can observed an increase in the surface hydrophobicity as well as in the scratch hardness (up to 100%) when small amounts (5 wt.%) of the inorganic compounds are added. Imaging microscopies, i.e., SEM, OM, and AFM (with nanoscopic Young’s modulus determination), revealed the good distribution of both types of fillers in the studied matrix.Mariola RobakowskaŁukasz GierzHubert GojzewskiMDPI AGarticlealuminum oxideSialonUV-curable coatingscratch hardnesshydrophobicityAFMEngineering (General). Civil engineering (General)TA1-2040ENCoatings, Vol 11, Iss 1424, p 1424 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	aluminum oxide Sialon UV-curable coating scratch hardness hydrophobicity AFM Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	aluminum oxide Sialon UV-curable coating scratch hardness hydrophobicity AFM Engineering (General). Civil engineering (General) TA1-2040 Mariola Robakowska Łukasz Gierz Hubert Gojzewski Sialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity
description	This article describes the modification of UV-curable coatings with silicon aluminum oxynitride (Sialon) and aluminum oxide (Alu C), which improve the hydrophobicity of the coating surface and the scratch hardness. The contact angle is greater due to surface roughness being enhanced with inorganic fillers. Improved scratch resistance results from the formation of a sliding layer triggered by the diffusion of Sialon or alumina on the coating surface. One can observed an increase in the surface hydrophobicity as well as in the scratch hardness (up to 100%) when small amounts (5 wt.%) of the inorganic compounds are added. Imaging microscopies, i.e., SEM, OM, and AFM (with nanoscopic Young’s modulus determination), revealed the good distribution of both types of fillers in the studied matrix.
format	article
author	Mariola Robakowska Łukasz Gierz Hubert Gojzewski
author_facet	Mariola Robakowska Łukasz Gierz Hubert Gojzewski
author_sort	Mariola Robakowska
title	Sialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity
title_short	Sialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity
title_full	Sialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity
title_fullStr	Sialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity
title_full_unstemmed	Sialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity
title_sort	sialon and alumina modified uv-curable coatings with improved mechanical properties and hydrophobicity
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/571181c612b84f478807c1e8d2cfeee9
work_keys_str_mv	AT mariolarobakowska sialonandaluminamodifieduvcurablecoatingswithimprovedmechanicalpropertiesandhydrophobicity AT łukaszgierz sialonandaluminamodifieduvcurablecoatingswithimprovedmechanicalpropertiesandhydrophobicity AT hubertgojzewski sialonandaluminamodifieduvcurablecoatingswithimprovedmechanicalpropertiesandhydrophobicity
_version_	1718412530367332352

Sialon and Alumina Modified UV-Curable Coatings with Improved Mechanical Properties and Hydrophobicity

Ejemplares similares