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Mazda Commences Development of Non-Food-Based Bioplastic

June 23, 2008

HIROSHIMA, JAPAN – Mazda Motor Corporation has signed a collaborative research agreement with Hiroshima University to launch the “Mazda Bioplastic Project.” The project aim is to develop a bioplastic from non-food-based cellulosic biomass and have it ready for use in vehicles by 2013.


The bioplastic being developed will not consume food resources because it will be made from cellulosic biomass produced from inedible vegetation such as plant waste and wood shavings. Furthermore, because cellulosic biomass is plant-derived and therefore carbon neutral, the bioplastic will reduce reliance on limited fossil fuel resources and alleviate carbon dioxide emissions.

The project will focus on designing a production process for an extremely versatile polypropylene, appropriate for extensive use in vehicles, by first converting cellulosic biomass to ethanol and then investigating various mixtures of ethylene and propylene. The polypropylene must have sufficient heat resistance, strength, and durability to be used in vehicle bumpers and instrument panels. The project will also seek to optimize the manufacturing process for the bioplastic so that it is eco-friendly and cost-effective.

“Development of a non-food-based bioplastic made from sustainable plant resources has great potential in the fight against global warming, and can help allay global food supply concerns,” said Seita Kanai, Mazda’s director and senior executive officer in charge of R&D. “Mazda is pleased to join forces with our regional partners as we work toward systematically combining various biomass technologies. Through this cooperation, we intend to strengthen Hiroshima’s position as a center for biomass research, and develop technology that can be used throughout the world.”


Mazda’s previous research on biomass technology resulted in the world’s first high heat-resistant, high-strength bioplastic and the world’s first 100 percent plant-derived fabric for use in car seats. These two biomaterials are used in the interior of the Mazda Premacy Hydrogen RE Hybrid. Powered by Mazda’s hydrogen rotary engine mated to a hybrid system, the Premacy Hydrogen RE Hybrid is scheduled to start commercial leasing in
Japan in fiscal year 2008.


Mazda began joint activities with the research department at Hiroshima
University’s Graduate School of Engineering in 2005. This partnership’s comprehensive agreement on joint automotive technology research includes biomass technology. Going forward, Mazda plans to expand the collaborative research on biomass technologies and strengthen its relationship with Hiroshima University for multidisciplinary joint research. Japan’s National Institute of Advanced Industrial Science and Technology (AIST) will also participate in the bioplastic project as part of its ongoing agreement to collaborate on biomass research with Hiroshima University.


In March 2007, Mazda announced its long-term vision for technology development, “Sustainable Zoom-Zoom.”



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