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Fastness of dye-based ink-jet printing inks in aqueous solution in the presence and absence of oxygen
ID
Blaznik, Barbara
(
Author
),
ID
Kovač, Franci
(
Author
),
ID
Bizjak, Grega
(
Author
),
ID
Bračko, Sabina
(
Author
)
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MD5: 01B9A83FA7DCF617EA49C0649F0F2CC3
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https://onlinelibrary.wiley.com/doi/10.1002/col.22797
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Abstract
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.
Language:
English
Keywords:
dyes
,
fastness
,
presence of oxygen
,
printing ink
,
UVC
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
NTF - Faculty of Natural Sciences and Engineering
FKKT - Faculty of Chemistry and Chemical Technology
FE - Faculty of Electrical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2022
Number of pages:
Str. 1193-1199
Numbering:
Vol. 47, iss. 5
PID:
20.500.12556/RUL-140166
UDC:
655.26
ISSN on article:
0361-2317
DOI:
10.1002/col.22797
COBISS.SI-ID:
104960771
Publication date in RUL:
12.09.2022
Views:
516
Downloads:
146
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Record is a part of a journal
Title:
Color research and application
Shortened title:
Color res. appl.
Publisher:
Wiley
ISSN:
0361-2317
COBISS.SI-ID:
27690496
Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Secondary language
Language:
Slovenian
Keywords:
barvila
,
obstojnost
,
prisotnost kisika
,
črnila
,
UVC
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