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Georgia Tech Develops Water-Based Electrochromic Inks

Water-based technology eliminates solvents, odors and need for specialized chemical-handling equipment while reducing VOCs.

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By: DAVID SAVASTANO

Contributing Editor, Coatings World and Ink World

Electrochromic inks and films are an intriguing technology for printed electronics applications. In one well-known example, rear-view mirrorsin vehicles use this technology, which shifts color due to a tiny electric current.    There is a critical drawback to electrochromic inks and films, as they are traditionally a solvent-based technology. They are flammable, and the odors that the solvents emit are a major problem for printing and spraying machinery.    Researchers for Dr. John Reynolds’...

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