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Breaking Flooring News

DuPont develops fermentation-based process to create Sorona polymer fiber

February 17, 2003
DuPont scientists have recently utilized corn -- instead of conventional petroleum-based processes -- to produce the company's latest polymer platform for use in clothing, carpets and automobile interiors.

DuPont, with joint development partner Genencor International, developed a bio-based method that uses renewable resources instead of typical petrochemicals. Through metabolic engineering of biochemical pathways, a microorganism was engineered to use sugars from corn and corn biomass in a fermentation-based process.

From annually renewable agricultural products, DuPont can now produce 1,3 propanediol (PDO), the key building block for DuPont Sorona.

Currently, DuPont uses a petrochemical process in Kinston, N.C., to produce the Sorona polymer. The company expects to announce transition plans to the new bio-based process later this year.

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