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In-situ sinteza ZnO na bombažu za zaščito pred UV sevanjem [Elektronski vir]Verbič, Anja, tekstil ; Gorjanc, Marija, tekstilkaNamen raziskovalne naloge je bila in-situ sinteza nanodelcev cinkovega oksida (ZnO-ND) na bombažni tkanini za doseganje čim boljše zaščite pred UV sevanjem. Pri postopku sinteze je bil kot reagent ... uporabljen cinkov klorid (ZnCl2), kot reducenta pa sta bila uporabljena natrijev karbonat (Na2CO3) in kalijev hidroksid (KOH), v molarnih koncentracijah 0,1M in 1M. Na izhodnem in obdelanih vzorcih tkanine so bile opravljene meritve ultravijoličnega zaščitnega faktorja (UZF) z uporabo UV/Vis sprektroskopije in meritve beline z uporabo refleksijske spektroskopije. Morfologija in-situ sintetiziranih ZnO-ND je bila opazovana z vrstično elektronsko mikroskopijo (SEM). Rezultati raziskave so pokazali, da se z uporabo reducenta 1M KOH tvorijo na tkanini številčni, izredno majhni in okrogli nanodelci ZnO, enakomerno razporejeni po površini vlaken. Zaradi tega so imeli tovrstni vzorci tkanine zelo visoke vrednosti UZF (UZF 50+). Nižja molarna koncentracija KOH in uporaba Na2CO3 ni dala zadovoljivih rezultatov. Belina vzorcev se je po sintezi znižala.Source: [Elektronski vir] (F. 191-196)Type of material - conference contributionPublish date - 2017Language - slovenianCOBISS.SI-ID - 15660059
Author
Verbič, Anja, tekstil |
Gorjanc, Marija, tekstilka
Topics
In-situ sinteza |
nanodelci ZnO |
UV zaščita |
bombažna tkanina
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Verbič, Anja, tekstil | 51974 |
Gorjanc, Marija, tekstilka | 27963 |
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