Due to the high flammability of the paper, its use is restricted in advanced applications. In this study, UV-cured paper coating formulations containing silica nanoparticles and phosphinoxide were prepared and coated on paper surface. Flammability, wettability, and printability properties were investigated. For this purpose, the surface of the silica nanoparticles was first functionalized with hydroxyethyl methacrylate (HEMA) ─OH. The hydroxylated silica nanoparticles were then modified with isocyanatoethyl methacrylate. Bis fluoro phenylphosphine oxide was synthesized by Grignard reaction elsewhere and OH modified in basic medium. Acrylate groups were added to BHPPO with isocyanatoethyl methacrylate to make it suitable for UV-curing formulation. The chemical structures of the obtained substances were illuminated by ATR-FTIR. UV-cured paper coating formulations containing acrylated silica, acrylated phosphinoxide, and mixtures thereof were prepared and coated on the paper surface. Chemical structure, contact angle, surface energies, surface morphology, thermogravimetric analysis, and limited oxygen index of the coatings were determined. As a result, it has been concluded that coated papers have increased thermal stability in the nitrogen atmosphere. The highest thermal stability was observed in coatings containing nanosilica and it was determined that all of the coatings ignited later. Hybrid coatings made within the scope of this study have improved the printability properties as well as adding flame retardancy properties to the paper.
"Printability is a combination of paper-related factors that contribute to achieving the desired print quality level and relates to the paper's ability to absorb ink. An important property of ink on paper is its setting behavior. The spread and placement of the ink on the paper surface is affected by the surface structure of the paper. The surface topography of the paper is decisive in the process of ink placement on the paper surface. In this study, the effects of surface roughness of the paper on wettability, print gloss, ink color change and light fastness change were investigated. For this purpose, prints on papers with different surface roughness were made in accordance with ISO 12647-2 with Cyan color ink in accordance with DIN ISO 2846-1. The CIE L*a*b* and gloss values of the test prints, which were allowed to dry in order to detect color and print gloss differences on the paper surfaces, were measured periodically until the ink film was completely dry. In addition, the effects of the paper surface on the light fastness of the ink were measured and recorded. The results were discussed in terms of print quality. "
The subject of this paper is the development and design solution of an application for product identification with smart packaging. The main goal of the study is to examine the functionality of a relatively new application design program "Adobe XD" company - "Adobe" as well as creating an application that will allow each user to very easily navigate through it. The main goal of the application is to give the user more information about the product than the packaging itself and help him choose the right product. The development of the application was preceded by research in the field of smart packaging and product state identification. This paper aims to set up an intuitive system in the form of a mobile application that would identify the product state and the information would be unambiguously obtained on the mobile device screen.
Rad obuhvata teorijske osnove proširene realnosti, poređenje sa virtuelnom realnošću, hardverske i softverske komponente kao i primenu proširene realnosti sa akcentom na njenu primenu u edukaciji Kao rezultat rada kreirana je aplikacija proširene realnosti za obuku operatera grafičkog sistema Perfecta 76. Praktični deo obuhvata idejno rešenje i proces izrade aplikacije u Unity sofverskom okruženju i Vuforia dodatku za AR.
Predmet ovog rada jeste razvoj baze znanja publikacija sa pokretim elementima. Razvoj baze znanja predstavlja upoznavanje sa procesom izrade publikacija koje sadrže pokretne elemente, upoznavanje sa osnovnim mehanizmima koji se koriste za izradu publikacija sa pokretnim elementima, načinom projektovanja tih mehanizama kao i načinom njihovog prikazivanja u trodimenzionalnom obliku.
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