15 Dezember 2017

Mitsubishi Chemical Develops New Grade for Large Automotive Exterior Components

Bio-based Engineering Plastic DURABIOTM  adopted for Front Grill of “Mazda CX-5”

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DURABIO is adopted for Mazda CX-5 (Photos by Mazda)

Mitsubishi Chemical Corporation has developed jointly with Mazda Motor Corporation (“Mazda”; Head office: Aki-gun, Hiroshima; President: Masamichi Kogai) a new grade of bio-based engineering plastic “DURABIOTM” that can be applied to large automotive exterior components. The new grade has been adopted for the front grill of the “Mazda CX-5.”

The MCC-developed DURABIOTM is bio-based engineering plastic made from isosorbide deriving from renewable plants. The material features superior properties compared to general bio-based engineering plastics in terms of impact resistance, heat resistance and weathering, among other aspects. It also has good color-capability and, simply by adding pigments, creates a “mirror-like smooth surface and deep color tone” surpassing painted products with similar properties.

Furthermore, its hard surface and resistance to scratch eliminates the need for any coating process, enabling reduction in volatile organic compound (VOC) emissions during manufacture. Capitalizing on these features, DURABIOTM has being adopted for pillars and other exterior design components in addition to interior components, thus enhancing a broad range of applications in the automotive sector.

The new grade of DURABIOTM exhibits a good, balanced combination of superior resistance to impact and weathering and better formability due to improvement in resin composition compared with properties of conventional grades, thereby making it possible to apply the new product to the front grill and other large exterior components. The new grade is expected to be adopted for future models launched by Mazda following the CX-5.

MCC will continue to accelerate R&D on DURABIOTM to expand applications not just for automotive interior components but also for larger exterior design components, thus contributing to the production of environment-friendly motor vehicles.

Source: Mitsubishi Chemical, press release, 2017-12-06.

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