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Title:
OPTIMIZACIJA OPTIČNIH LASTNOSTI DEKORATIVNEGA OMETA ZA NOTRANJO UPORABO
Authors:
ID
Dergan, Mihael
(Author)
ID
Škerget, Mojca
(Mentor)
More about this mentor...
ID
Knez, Željko
(Comentor)
Files:
UN_Dergan_Mihael_2015.pdf
(2,44 MB)
MD5: 4B5641D799DEB955E2C3E415AF3DF3E2
Language:
Slovenian
Work type:
Bachelor thesis/paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:
V diplomskem delu smo optimizirali formulacijo disperznega dekorativnega ometa (NDO) za notranjo uporabo. V raziskavi smo iskali vzrok za nezadostno belino, ki je posledica izrazitega rumenega podtona notranjega dekorativnega ometa. Znani so številni razlogi za pojav rumenega podtona v premazih. V diplomskem delu smo se osredotočili na prispevek titanovega dioksida (TiO2). Na trgu je na voljo veliko različic TiO2, ki se razlikujejo po postopku izdelave, čistosti, površinski obdelavi, velikosti delcev, kristalni strukturi (rutil, anataz), kar vse vpliva tudi na optične lastnosti premaza. V prvem delu diplomskega dela smo optimizirali optične lastnosti NDO z TiO2 rutilne kristalne strukture proizvedenem po sulfatnem postopku. Najprej smo preverili, kako na belino in rumen podton vpliva vsebnost TiO2 v formulaciji. Nato smo ugotavljali, kako na belino in rumen podton vpliva čas dispergiranja. V drugem delu raziskave smo testirali optične lastnosti NDO z drugimi tipi TiO2, in sicer rutilom proizvedenem po kloridnem postopku in anatazom proizvedenem po sulfatnem postopku. V zadnjem delu raziskave smo rumen podton poizkušali izničiti z dodajanjem modrega pigmenta. Optične lastnosti smo merili s spektrofometrom, vzorce pa pregledali tudi vizualno. Vse štiri možnosti smo na koncu primerjali in izbrali ekonomsko in tehnično najprimernejšo rešitev.
Keywords:
belina
,
dekorativni omet
,
TiO2
,
optične lastnosti
,
podton
,
kolormetrija
Place of publishing:
Maribor
Publisher:
[M. Dergan]
Year of publishing:
2015
PID:
20.500.12556/DKUM-47774
UDC:
667.633.4(043.2)
COBISS.SI-ID:
18667286
NUK URN:
URN:SI:UM:DK:4K3EPMVW
Publication date in DKUM:
22.04.2015
Views:
3248
Downloads:
104
Metadata:
Categories:
KTFMB - FKKT
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:
DERGAN, Mihael, 2015,
OPTIMIZACIJA OPTIČNIH LASTNOSTI DEKORATIVNEGA OMETA ZA NOTRANJO UPORABO
[online]. Bachelor’s thesis. Maribor : M. Dergan. [Accessed 30 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=47774
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Hover the mouse pointer over a document title to show the abstract or click on the title to get all document metadata.
Secondary language
Language:
English
Title:
OPTIMIZATION OF SYNTHETIC RESIN PLASTER FORMULATION FOR INDOOR USE
Abstract:
In this thesis, we optimized formulation of decorative plaster for interior use (DPIU). Reasons for the yellow undertone and hence the lack of whiteness of DPIU were investigated. There are many reasons known for the appearance of a yellow undertone in coatings. In this thesis, we focused on the contribution of titanium dioxide (TiO2). There are many sorts of TiO2 available on the market, which differ in manufacturing process, purity, surface treatment, particle size and crystalline structure, all of which affect the optical properties of the plaster. In the first part of this study rutile type of TiO2 manufactured by sulphate synthesis was investigated. Differences in whiteness and yellow undertone of DPIU caused by different TiO2 content and dispersing time were observed. In second part two alternative types (rutile, chloride synthesis and anatse, sulphate synthesis) of TiO2 were investigated. In the last part of the study we tried to eliminate the yellow undertone by adding blue pigment. The optical properties were measured with a spectrophotometer, and also visually. All four options are finally compared and selected according to economic and technical aspects.
Keywords:
whiteness
,
decorative plaster
,
TiO2
,
optical properties
,
undertone
,
colorimetry
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