Hot or Not?

Additionally, Duncan says, these inks can separate. “Low-shear mixing is recommended before use to re-suspend particles.”

Holding their own

There are many different materials that can help packaging communicate with the consumer. Given the potential lifespan of thermochromic inks, these materials stack up well against other smart materials. “These inks hold their own,” says Whelan. “They are simply another option among other types of specialty inks designed for varying functions and end uses.” Boyce adds, “The life cycles possible using thermochromic inks are infinite.”