DuPont: Toyota Adopts Renewably Sourced DuPont™ Sorona® EP Polymer For New Hybrid ’Prius á’ Vehicle

The new Toyota “Prius á” (Prius alpha) hybrid vehicle debuts with interior components made of DuPont™ Sorona® EP renewably sourced polymer. (Images: Toyota)

As DuPont announced Toyota’s new hybrid vehicle, “Prius á” (Prius alpha), features automotive interior parts made of DuPont™ Sorona® EP polymer, a high-performance, renewably sourced thermoplastic resin, contributing to the advanced interior design while also reducing the environmental footprint. Toyota launched the “Prius á” in Japan in May 2011.

Developed in close collaboration with DuPont Kabushiki Kaisha, Toyota Motor Corporation, Kojima Press Industry Co., Ltd. and Howa Plastics Co., Ltd., the parts are used on the instrument-panel air-conditioning system outlet.

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Sorona® EP was selected for this precisely engineered, functional component for its heat resistance and durability required to control the intensity and direction of the air blowing out of the outlet, says DuPont.

DuPont™ Sorona® EP polymers contain between 20 percent and 37 percent renewably sourced material (by weight) derived from plant sugar. The new material exhibits performance and molding characteristics similar to petroleum-based, high-performance PBT (polybutylene terephthalate).

According to DuPont Sorona® EP thermoplastic polymer production reduces both carbon dioxide emissions and the use of petrochemicals used to produce the PBT that is typically used for conventional auto interior parts. Sorona® EP also offers lower warpage and improved surface appearance, compared to PBT, to help streamline the manufacturing process.

More information: www.dupont.com, www.toyota.com

DuPont de Nemours International Sarl., Geneva, Switzerland

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