Results 61 to 70 of about 116 (95)

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

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
Kulčar, Rahela, Friškovec, Mojca, Hauptman, Nina, Vesel, Alenka, Klanjšek Gunde, Marta   +4 more
openaire   +2 more sources

Colorimetric properties of UV-thermochromic inks

2009
The focus of this paper is on thermochromic inks that change colour in a controlled way when the temperature is varied. We will analyse here colorimetric properties of the screen-printed UV-curing leucodye thermochromic inks in red, blue and black shades with activation temperature of 31 °C.
Kulčar, Rahela, Friškovec, Mojca, Klanjšek Gunde, Marta, Knešaurek, Nina   +3 more
openaire   +2 more sources

Thermochromic inks – dynamic colour possibilities

2010
Thermochromic inks are one of the major groups of colour-changing inks. This paper aims at discussing general aspects of thermochromic inks, dynamic colorimetric properties of leuco dye-based thermochromic inks, their stability and principle of variable-temperature colour measurement. We will analyse here a colorimetric properties of the screen-printed
Kulčar, Rahela, Klanjšek Gunde, Marta, Friškovec, Mojca   +2 more
openaire   +2 more sources

Thermochromic Perovskite Inks for Reversible Smart Window Applications

Chemistry of Materials, 2017
The authors acknowledge the financial support of King Abdullah University of Science and Technology (KAUST).
Michele De Bastiani, Makhsud I. Saidaminov, Ibrahim Dursun, Lutfan Sinatra, Wei Peng, Ulrich Buttner, Omar F. Mohammed, Osman M. Bakr   +7 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  

Thermochromic printing inks for smart packaging applications

2014
Thermochromic printing inks (TC inks) are the type of chromogenic or colour chang-ing inks that change colour under certain circumstances. The colour change in TC inks is caused by the exposure to temperature gradient. TC printing inks are one of the candidates for active and smart packaging of the future.
Jakovljević, Maja, Kulčar, Rahela, Pasanec Preprotić, Suzana, Poljičak, Ante, Jamnicki, Sonja, Klanjšek Gunde, Marta   +5 more
openaire   +2 more sources

Colour changes of UV-curable thermochromic inks

2009
UV-curable leucodye-based thermochromic inks with activation temperature of 31 °C in blue, red and black shades were analysed. The colour of samples does not depend only on their temperature but also on thermal history – they show colour hysteresis. Similar hysteresis loops were obtained for the red and blue samples and narrower for the black sample ...
Kulčar, Rahela, Knešaurek, Nina
openaire   +2 more sources

Dynamic colour and appearance of thermochromic offset inks

2010
The application properties of offset-printable air-drying thermochromic inks in red, black and magenta colours were analysed. They have an activation temperature of 31C, according to the producer data. In similar-sized microcapsules the thermochromic composite is protected from the environment.
Kulčar, Rahela, Panak, Ondrej, Otahalova, Lenka, Friškovec, Mojca, Kaplanova, Marie, Klanjšek Gunde, Marta   +5 more
openaire   +2 more sources

Study of irreversible thermochromic ink application on textiles

2009
In the development of new products or new applications of known products, investigations have to be carried out concerning the choice of the kind of thermochromic matter, support, application form, concerning the evolution of colour change and stability versus imposed external parameters.
Canal Barnils, Cristina, Villeger, Sandrine, Erra Serrabasa, Pilar, Ricard, André   +3 more
openaire   +2 more sources