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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
)
PDF - Predstavitvena datoteka,
prenos
(7,30 MB)
MD5: CC49BA2508E2F3A861A6151F0B831532
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2079-6412/11/8/928
Galerija slik
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
UDK:
655
ISSN pri članku:
2079-6412
DOI:
10.3390/coatings11080928
COBISS.SI-ID:
73204995
Datum objave v RUL:
06.04.2022
Število ogledov:
608
Število prenosov:
113
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Coatings
Skrajšan naslov:
Coatings
Založnik:
MDPI AG
ISSN:
2079-6412
COBISS.SI-ID:
523035673
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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