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Thermochromic inks - Functional graphic application for sustainable packaging

Thermochromic inks are one of the major groups of colour-changing inks. The colour change in thermochromic inks is caused by exposure to different temperature. Inks that change colour under certain circumstances are finding increasing use in applications such as security printing, brand protection or smart packaging. With thermochromic inks application, packaging can give the consumers more information about the product and it can be considered to have added value. Thermochromic inks can be used on packaging as temperature indicators, but also as freshness indicators. By giving additional product information, this kind of packaging could provide les costs in transportation and storage and control the shelf life of a product. Considering this, smart packaging applications are not only functional, but also sustainable.

Thermochromic inks; smart packaging; sustainable packaging

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