20.500.12556/RUL-140166 Fastness of dye-based ink-jet printing inks in aqueous solution in the presence and absence of oxygen Photodegradation of the ink-jet prints is a complex process in which many external and internal factors are involved. Nevertheless, the role of colorants and various accompanying substances in the ink is often overlooked. Our research work aimed to determine the fastness of water-based ink-jet inks in aqueous solutions. A printing ink often contains a complex mixture of colorants to achieve optimal optical properties of color and a suitable fastness of the print. Therefore, we investigated the composition and stability of cyan, magenta, yellow, and black inks under the influence of UVC light in the presence of oxygen as well as in an inert environment based on TLC chromatography and spectrophotometric analysis. The process of photodegradation was evaluated based on ink amount and half-life. According to the results, the majority of inks consist of at least two colorants that differ in color and polarity. The results have shown that the presence of oxygen negatively affects the stability of inks; therefore, the inert atmosphere prolongs the durability of ink in water solution. dyes fastness presence of oxygen printing ink UVC barvila obstojnost prisotnost kisika črnila UVC true false true Angleški jezik Slovenski jezik Članek v reviji 2022-09-12 12:38:44 2022-09-12 12:38:45 2022-09-16 04:13:36 0000-00-00 00:00:00 2022 0 0 Str. 1193-1199 iss. 5 Vol. 47 2022 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 655.26 0361-2317 10.1002/col.22797 104960771 Color_Research___Application_-_2022_-_Blaznik_-_Fastness_of_dye‐based_ink‐jet_printing_inks_in_aqueous_solution_in_the.pdf Color_Research___Application_-_2022_-_Blaznik_-_Fastness_of_dye‐based_ink‐jet_printing_inks_in_aqueous_solution_in_the.pdf 1 01B9A83FA7DCF617EA49C0649F0F2CC3 32e5bd35241c4b21740b3a183dade2dd7a5b91eb0ff11b608a307d4c3ac9d70e ec265094-3287-11ed-92af-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=160847 https://onlinelibrary.wiley.com/doi/10.1002/col.22797 0 0449d81a-3287-11ed-92af-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=160846 Naravoslovnotehniška fakulteta Fakulteta za kemijo in kemijsko tehnologijo Fakulteta za elektrotehniko 0 0 0