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Web Date: January 9, 2018

Rewritable paper goes technicolor

Metal-ligand complexes display a range of long-lasting colors that can be erased on demand, allowing paper to be reused
Department: Science & Technology

The paper industry has a significant environmental impact, from cutting down trees for raw material to consuming large amounts of energy and water to process that material. To curb that impact, chemists have been working on rewritable paper technologies that would allow people to print on a sheet of paper with special inks and then erase them to reuse the paper.

A team now reports a form of rewritable paper that can display multicolored images . . .

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Chemical & Engineering News
ISSN 0009-2347
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