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Light stability of thermochromic prints (CROSBI ID 572280)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Friškovec, Mojca ; Kulčar, Rahela ; Klanjšek Gunde, Marta Light stability of thermochromic prints // Advances in Printing and Media Technology, Proceedings of the 37th International Research Conference of iarigai. 2010. str. 147-153

Podaci o odgovornosti

Friškovec, Mojca ; Kulčar, Rahela ; Klanjšek Gunde, Marta

engleski

Light stability of thermochromic prints

Leuco dye-based TC inks have short pot life, poor lightfastness, low resistivity to high temperatures and many chemicals. Polymer envelopes are much more stable than the polymer binder in TC ink5. However, lightfastness and chemical stability of TC capsules in the applied vehicle were considered to be the origin of poor stability of TC inks6. The lightfastness of leuco dye-based TC samples might be increased simply by applying a protective layer. For this reason, two transparent lacquers were tested. Special commercial TC ink with intrinsically improved lightfastness (the so-called UV-protected ink) was used without protective layer as a comparison. The effect was evaluated by total colour differences between exposed and unexposed samples and by the total colour contrast between fully coloured and totally discoloured states.

thermochromic inks; protective lacquers; UV protection; artificial weathering; total colour difference

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Podaci o prilogu

147-153.

2010.

objavljeno

Podaci o matičnoj publikaciji

Advances in Printing and Media Technology, Proceedings of the 37th International Research Conference of iarigai

978-3-9812704-2-6

Podaci o skupu

Advances in Printing and Media Technology, 37th International Research Conference of iarigai

predavanje

12.09.2010-15.09.2010

Montréal, Kanada

Povezanost rada

Grafička tehnologija