New Environmentally Friendly Teflon Production Process

Collaboration between scientists at DuPont and the University of North Carolina has resulted in a new processing technology for the manufacture of Teflon fluoropolymer.

The new technology differs from the existing technology in that it employs supercritical carbon dioxide as the solvent rather than water. The material produced from the new process has improved properties and creates less waste.

Production has already begun using the new process in DuPont’s Fayetteville plant in North Carolina in a new $40 million facility. It is being used to produce grades of Teflon suitable for wire insulation for communications, high purity fluid handling components for semiconductors and pharmaceuticals as well as industrial and automotive applications.

Posted March 2002

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