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Effect of SiO$_2$ and TiO$_2$ nanoparticles on the performance of UV visible fluorescent coatings
ID Mahović Poljaček, Sanja (Avtor), ID Tomašegović, Tamara (Avtor), ID Leskovšek, Mirjam (Avtor), ID Stanković Elesini, Urška (Avtor)

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Izvleček
In the present research, the properties of ultraviolet (UV) visible (daylight invisible) fluorescent coatings modified by the addition of SiO$_2$ and TiO$_2$ nanoparticles were studied. Structural, surface, and mechanical properties and changes in the coatings caused by accelerated ageing were analyzed. The results showed that the addition of nanoparticles caused the changes in unaged and aged printed coatings. Reflectance measurements of modified coatings showed that addition of TiO$_2$ nanoparticles improved the visual effect of the unaged coatings. Furthermore, results have shown that the addition of SiO$_2$ did not diminish the reflectance of the modified coatings after ageing. The results of roughness measurements showed that the addition of SiO$_2$ decreased roughness after the ageing process, probably due to the degradation process indicated by Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR) spectroscopy. The roughness of the coatings with TiO$_2$ nanoparticles was increased after the ageing on the samples with higher concentrations of TiO$_2$ due to the agglomerates of plastisol formed on the surface of the coatings, visible in SEM images. Surface analysis of coatings showed that TiO$_2$ caused an increase in the polarity of the surface coatings. Results of the bending stiffness showed that the addition of the nanoparticles to the coating, especially of SiO$_2$, significantly improved the bending stiffness of the unaged samples.

Jezik:Angleški jezik
Ključne besede:UV visible fluorescent coatings, nanoparticles, SiO$_2$, TiO$_2$
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:NTF - Naravoslovnotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2021
Št. strani:18 str.
Številčenje:Vol. 11, iss. 8, art. 928
PID:20.500.12556/RUL-136004 Povezava se odpre v novem oknu
UDK:655
ISSN pri članku:2079-6412
DOI:10.3390/coatings11080928 Povezava se odpre v novem oknu
COBISS.SI-ID:73204995 Povezava se odpre v novem oknu
Datum objave v RUL:06.04.2022
Število ogledov:368
Število prenosov:93
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Coatings
Skrajšan naslov:Coatings
Založnik:MDPI AG
ISSN:2079-6412
COBISS.SI-ID:523035673 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:02.08.2021

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:fluorescentni UV premazi, nanodelci, SiO$_2$, TiO$_2$

Projekti

Financer:Drugi - Drug financer ali več financerjev
Program financ.:University of Zagreb

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