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A Light-Driven Process to Oxidize Plastic Surfaces for Industry Safely

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OSAKA, Japan, June 17, 2019 — Researchers at Osaka University have developed a light-driven process for oxidizing polypropylene (PP), a widely used plastic, without creating waste. The process uses a reactive chlorine dioxide radical to make the plastic reactive. PP is normally an unreactive material; however, the researchers made a highly reactive radical by mixing sodium chlorite and hydrochloric acid. The radical was then photochemically activated using an LED lamp as the light source. Surface oxygenation of side-chain methyl groups in polypropylene under photoirradiation with chlorine dioxide. Courtesy of...Read full article

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