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Environment

... And Debuts A Luminescent Foil

November 5, 2007 | APPEARED IN VOLUME 85, ISSUE 45

Evonik Industries will introduce electroluminescent (EL) foils as a safety appliqué for children's book bags. The foils, which require two AA batteries for 30 hours of use, employ electrodes, a resistor, and a light-emitting printable pigment on a substrate of indium tin. EL foils can be used in applications ranging from advertising to aviation. Evonik estimates the annual market for the materials at about $30 million.

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