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Mazda has signed a collaborative research agreement with Hiroshima University to develop a bioplastic from non-food-based cellulosic biomass and have it ready for use in vehicles by 2013.

The bioplastic will be made from cellulosic biomass produced from inedible vegetation such as plant waste and wood shavings. Because cellulosic biomass is plant-derived and carbon neutral, the plastic will reduce reliance on limited fossil fuel resources and alleviate carbon dioxide emissions.

The project will focus on designing a production process for a 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 also aims to optimise the manufacturing process for the bioplastic so that it is eco-friendly and cost-effective.

Seita Kanai, Mazda’s director and senior executive officer in charge of R&D, said: “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. Through this cooperation, we intend to strengthen Hiroshima’s position as a centre 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 per cent plant-derived fabric for use in car seats. These two biomaterials are used in the interior of the Mazda Premacy Hydrogen RE Hybrid.

Mazda has been working with the research department at Hiroshima University’s Graduate School of Engineering since 2005. Japan’s National Institute of Advanced Industrial Science and Technology (AIST) will also participate in the bioplastic project as part of its agreement to collaborate on biomass research with Hiroshima University.