Original title: Parameters that affect the photodegradation of dyes and pigments in solution and on substrate – An overview
Light can change dyes and pigments, which can make their color fade. This paper reviews research on how quickly that happens and what affects it. The factors include the kind and strength of light, how long it shines, oxygen, temperature, catalysts, and the amount of colorant. The review also compares colorants in liquids with those on surfaces, where different conditions may affect fading.
Imagine leaving a colored shirt in the sun. The color can fade, and the result may depend on how strong the sunlight is, how long the shirt stays out, and what material it is made from. In this paper, the shirt’s color stands for a dye or pigment, and the sunlight and material stand for conditions that can affect how it breaks down in a liquid or on a surface.
Faded color can change medicines and beverages, and damage artworks. Knowing which conditions affect fading can help people who package products or care for collections choose ways to reduce light damage.
The abstract describes a broad overview of prior research but gives no specific findings about which factors matter most, no measured degradation rates, and no comparison of particular dyes or pigments. It also does not establish a single durable way to prevent fading.
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Parameters that affect the photodegradation of dyes and pigments in solution and on substrate – An overview — Iris Groeneveld, Maria Kanelli, Freek Ariese et al. — Dyes and Pigments — doi:10.1016/j.dyepig.2022.110999
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.