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Sinteza in karakterizacija akrilnih disperzij za protikorozijske enoslojne premaze na vodni osnovi
ID Zafran Žerjav, Ana (Author), ID Šebenik, Urška (Mentor) More about this mentor... This link opens in a new window

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Abstract
Cilj magistrskega dela je bila sinteza akrilnega lateksa, ki je lahko nadaljnjo uporabljen kot vezivo v enokomponentnem premazu za protikorozijsko zaščito. Raziskave na področju premazov na vodni osnovi so ključnega pomena, saj predstavljajo ekološko in zdravju prijaznejšo alternativo tradicionalnim premazom na osnovi lahko hlapnih topil. Premazi na vodni osnovi zmanjšujejo emisije škodljivih hlapov, ki prispevajo k onesnaževanju zraka in imajo negativne vplive na zdravje ljudi. Napredek na tem področju prispeva k trajnostnemu razvoju industrije premazov in zmanjšuje njen vpliv na okolje, kar je v skladu s globalnimi prizadevanji za varovanje okolja in izboljšanje kakovosti življenja. V raziskavi so bili preučevani možni načini priprave veziva na vodni osnovi, ter posledično premaza, ki je namenjen direktnemu nanašanju na kovino. V prvem delu raziskave so bili sintetizirani in ovrednoteni akrilni lateksi pripravljeni po postopku karboksilne stabilizacije ter lateksi pripravljeni s klasičnim postopkom emulzijske polimerizacije. Drugi del raziskave je obsegal pripravo in karakterizacijo premazov na osnovi sintetiziranih veziv. Dokazano je bilo, da veziva, ki vsebujejo konvencionalne surfaktante, niso primerna za uporabo v premazih, ki so namenjeni direktnemu nanašanju na kovino. Raziskan je bil vpliv sestave stabilizacijskega predprodukta na končne lastnosti premaza. Pokazano je bilo, da ima molekulska masa stabilizacijskega predprodukta, velik vpliv na zaščitne lastnosti premaza.

Language:Slovenian
Keywords:polimer, lateks, protikorozijska zaščita
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Technology
Year:2024
PID:20.500.12556/RUL-160164 This link opens in a new window
COBISS.SI-ID:205888003 This link opens in a new window
Publication date in RUL:22.08.2024
Views:61
Downloads:20
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Secondary language

Language:English
Title:Synthesis and characterization of acrylic dispersions for anticorrosion 1K water based coating
Abstract:
The aim of the master's thesis was the synthesis of acrylic latex, which can be further used as a binder in a one-component coating for anti-corrosion protection. Research in the field of water-based coatings is crucial, as it represents an ecological and healthier alternative to traditional coatings based on volatile solvents. Water-based coatings reduce emissions of harmful vapours that contribute to air pollution and adversely affect human health. Progress in this area supports the sustainable development of the coating industry and mitigates its environmental impact, aligning with global efforts to protect the environment and enhance quality of life. The research examined possible ways of preparing a water-based binder, and consequently a coating intended for direct to metal application. In the initial phase of the research, two types of acrylic latexes were synthesized and evaluated. Latexes prepared through carboxyl stabilization and latexes produced via the classic emulsion polymerization process. The second part of the research focused on the preparation and characterization of coatings made from the synthesized binders. It was demonstrated that binders containing conventional surfactants are unsuitable for coatings intended for direct to metal application. The impact of the stabilizing precursor's composition on the final properties of the coating was further examined. It was found that the molecular weight of the stabilizing precursor significantly affects the protective properties of the coating.

Keywords:polymer, latex, anticorrosion protection

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