Thermochromic ink (also called thermochromatic ink) is a type of dye that changes color in response to a change in temperature.[1][2][3] It was first used in the 1970s in novelty toys like mood rings, but has found some practical uses in things such as thermometers, product packaging, and pens.[4] The ink has also found applications within the medical field for specific medical simulations in medical training. Thermochromic ink can also turn transparent when heat is applied; an example of this type of ink can be found on the corners of an examination mark sheet to prove that the sheet has not been edited or photocopied.
^Thamrin, T S (2022). "Thermochromic ink as a smart indicator on cold product packaging - review". IOP Conf. Series: Earth and Environmental Science. 1063 (1): 012021. Bibcode:2022E&ES.1063a2021T. doi:10.1088/1755-1315/1063/1/012021. S2CID 251368125.
^Yan, Xiaoxingng (2020). "Effect of Concentration of Thermochromic Ink on Performance of Waterborne Finish Films for the Surface of Cunninghamia Lanceolata". Polymers. 12 (552): 552. doi:10.3390/polym12030552. PMC 7182879. PMID 32138270.
^Kulˇcar, Rahela (2011). "Dynamic colorimetric properties of mixed thermochromic printing inks". Color Technology. 127 (6): 411–417. doi:10.1111/j.1478-4408.2011.00338.x. Retrieved 24 December 2022.
Thermochromicink (also called thermochromatic ink) is a type of dye that changes color in response to a change in temperature. It was first used in the...
uses thermochromicink on its cans now, changing from white to blue to indicate the can is cold. Virtually all inorganic compounds are thermochromic to...
when it is filled with a hot liquid. This effect is created by using thermochromicink. Magic mugs are often manufactured and sold as memorabilia. For example...
ballot. Thermochromicink that disappears when heated was also allegedly used in Kursk and Rostov-on-Don on 15 March. The usage of such ink was previously...
Guardian reported that, "Each design incorporates microtext, UV ink and thermochromicink. These concealed clues can be revealed using either a magnifying...
graphic on the lower portion of the back of each ticket printed with thermochromicink. The HTX logo and the NRG Stadium image faded when heat was applied...
causes degradation of thermochromicinks, so the eclipse stamps should be shielded from sunlight to preserve their thermochromic behavior. To help with...
temperature excess: this can be used to direct corrective action. Thermochromicinks are sometimes used to signal temperature excess or change. Some are...
1987, Matsui International developed the first thermochromic paints, thermochromicinks, and thermochromic plastics, broadcast on Japan's national public...
unattended drop-offs. Temperature data loggers, analog devices, and thermochromicinks are available to help identify temperature abuse. Shipping list Document...
with one or more organic acids. Examples of organic acids suitable for thermochromic papers are phenols such as Bisphenol A (BPA) and Bisphenol S (BPS)....
rainbow effects; the special edition of the third issue will have a thermochromicink layer. From Tommy Refenes Rami Ismail Adrian Bauer Adam Heart Temmie...
printing process which produces a printed image by passing paper with a thermochromic coating, commonly known as thermal paper, over a print head consisting...
Archaeology 10 (1992) p 14f. Ramig, Keith, et al. (June 2015). "The nature of thermochromic effects in dyeings with indigo, 6-bromoindigo, and 6,6′-dibromoindigo...
fashion/cosmetics, security, sensors, optical memory and optical switches, thermochromics in paints, inks, plastics and textiles as indicators/sensors and in architecture...
thermal printer) produces a printed image by selectively heating coated thermochromic paper, or thermal paper as it is commonly known, when the paper passes...
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