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Color tuning in lanthanide ions doped upconversion nanocrystals. [PDF]

RSC Adv
Zhang J, Wang X, Jin Y, Li B, Liu L, Zhang J.   +5 more
europepmc   +1 more source

Beyond Color Boundaries: Pioneering Developments in Cholesteric Liquid Crystal Photonic Actuators. [PDF]

Micromachines (Basel)
Zhang J, Zhang Y, Yang J, Wang X.
europepmc   +1 more source

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Colorimetric properties of reversible thermochromic printing inks

Dyes and Pigments, 2010
The colorimetric properties of three, leuco dye-based thermochromic inks at 31 C activation temperature were studied. The inks had similar pigment particle size distribution and comparably thick microcapsule shells with similar stability against oxygen plasma etching. The colour of the inks was dependent on temperature as well as the thermal history of
Rahela Kulcar, Nina Hauptman, Alenka Vesel   +2 more
exaly   +3 more sources

Light fastness and high‐temperature stability of thermochromic printing inks

Coloration Technology, 2013
Thermochromic printing inks are known for their low stability under the influence of various external conditions, but the consequences of the phenomenon on dynamic colorimetric properties have not yet been analysed. In this work, thermochromic prints were exposed to light and heated at two different temperatures, 150 and 200 °C, for varying time ...
Rahela Kulcar, Marta Klanjsek Gunde
exaly   +4 more sources

Dynamic colorimetric properties of mixed thermochromic printing inks

Coloration Technology, 2011
Leuco dye‐based thermochromic inks reversibly change from the coloured to the discoloured state in a defined, comparatively wide temperature region. Inside this region, the colour of a sample depends on the temperature and thermal history, which is known as the hysteresis effect. The colour of such a sample as a function of temperature has the shape of
Rahela Kulcar, Marta Klanjsek Gunde
exaly   +3 more sources

Demonstrating Thermochromorph: Dynamic Relief Printing with Thermochromic Inks

Proceedings of the Extended Abstracts of the CHI Conference on Human Factors in Computing Systems
Tianyu Yu, Mackenzie Leake, Stefanie Mueller   +2 more
exaly   +2 more sources

Thermochromic ink–paper interactions and their role in biodegradation of UV curable prints

Cellulose, 2018
In this study, biodegradability aspects of UV thermochromic leuco dye print on three different paper materials (synthetic, recycled, and bulky) were studied using the soil burial test under anaerobic conditions. Biodegradation of UV curable thermochromic prints were evaluated for changes by visual examination, microbial growth assay, weight loss ...
Marina Vukoje, Snežana Miljanić, Jasna Hrenović, Mirela Rožić   +3 more
openaire   +3 more sources

Stability of thermochromic printing inks

2010
Thermochromic (TC) printing inks change their colour regarding the change in temperature. One of the most frequently used TC material in printing inks are leuco dyes. This TC composite usually consists of a colour former (leuco dye), a colour developer and a solvent, protected in polymer capsules.
Friškovec, Mojca, Kulčar, Rahela, Klanjšek Gunde, Marta   +2 more
openaire   +2 more sources

DETERMINATION OF PSEUDOESTROGENIC COMPOUNDS IN THERMOCHROMIC PRINTING INK

2021
The use of thermochromic ink is growing daily, but they contain pseudoestrogenic compounds that have a harmful effect on the human health. Common pseudoestrogenic compounds found in thermochromic ink are bisphenol A and benzophenone. Bisphenol A has a role of the colour developer and benzophenone is used as a photo- initiator in the UV-curing ink ...
Vinković, Kristinka, Ašperger, Danijela, Babić Visković, Bruna   +2 more
openaire