This invention describes a way to print with water-based inks on surfaces that don't absorb liquid, like plastic or metal. It works by first applying an attractive, special coating to the exact spots where you want to print, then drying it, and finally printing the water-based ink onto that dried coating. The coating can be applied using methods like flexographic or gravure printing, and it can even contain a color.
Why it matters: Since 2004, advancements in material science have likely yielded more effective and aesthetically versatile ink-receptive coatings. Simultaneously, the demand for high-quality variable data printing on non-absorbent packaging has significantly increased, making this pre-treatment process more relevant.
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