Q
how does ink dry
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
The process of ink drying can occur through several mechanisms, depending on the type of ink and the surface it's applied to. For aqueous-based inks, including those used in many inkjet printers, drying primarily occurs through the evaporation of water or solvents, allowing the pigment or dye to remain on the surface. Solvent-based inks similarly evaporate, leaving behind the colorant. Oil-based inks, such as those used in offset printing, dry through a combination of absorption into the substrate and oxidative polymerization, which solidifies the ink. UV-curable inks dry instantly when exposed to ultraviolet light, as the radiation triggers a chemical reaction that hardens the ink. The efficiency of these processes can be affected by the absorbency of the substrate, ambient temperature, humidity, and airflow.
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