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Nanoscale Features Used to Color Plastics

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Nanoscale structures could one day take the place of dyes in the production of colored plastics. A team from the Technical University of Denmark has found a more environmentally friendly way to produce such plastics, using the shapes of materials rather than conventional dyes and pigments. Use of these unnatural materials makes it difficult for that type of plastic to be recycled. The researchers found that aluminum can be made to appear in different colors “purely by designing their surface structures at the nanoscopic level.” The researchers chose aluminum because of...Read full article

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