CO2 Impregnation Creates New Characteristics in Plastics

Researchers at the Fraunhofer Institute for Environmental, Safety and Energy Technology UMSICHT (Oberhausen, Germany) say they are testing how plastics can be given new characteristics by impregnating them with supercritical carbon dioxide. Potential products from the approach range from colored contact lenses to bacteria-resistant door handles, the researchers say.   In tests, the researchers have impregnated polycarbonate with nanoparticles that feature antibacterial properties. E.coli bacteria, placed on the plastic’s surface in the...

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