What is it about?
Recently, the counterfeiting of food and beverage and pharmaceutical packaging is a worldwide issue. As these traditional technologies continue to rapidly progress into mainstream markets, many questions have been asked about how the permanence of prints. In the case of food or medicine products that may require long stability, it is required that the print surface does not change its color or fades away, as it may create confusion about the authenticity and validity of the product. On the other hand, it may be possible to check if a product is exposed to sunlight which is not supposed to be exposed (for example, medicines that have to be kept in dark and cool environment and whether the printed expiry date is authentic).
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Why is it important?
The findings are used to predict the real age of a package. Film , foil and paper are used for the study. It may be used for the verification of the printed expiry date and the authenticity or validity of the product.
Perspectives
Working on this topic was a great pleasure because lightfastness is an important characteristic for any kind of print products for assessing its print stability because any kind of deterioration in package print quality will affect the product sale adversely.
Mahasweta Mandal
Jadavpur University
Read the Original
This page is a summary of: Study of the lightfastness properties of prints on blister foils by spectral reflectance, Color Research & Application, November 2019, Wiley,
DOI: 10.1002/col.22449.
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