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DUPONT ENGINEERING POLYMERS DEMONSTRATES DEVELOPMENTAL COMPOSITE RECYCLE TECHNOLOGY
DuPont Engineering Polymers today demonstrated the viability of a new, closed-loop, Composite Recycle Technology for nylon. The proof point was a prototype automotive radiator end tank made of 100-percent recycled, glass reinforced nylon from a post-consumer radiator end tank. DuPont Engineering Polymers collaborated closely with DENSO Corp. on the innovative program. DuPont introduced Composite Recycle Technology, a major breakthrough in terms of closed-loop recycling of heavily reinforced automotive parts made of nylon 66, during the SAE 2002 World Congress in Detroit. "The global auto industry is challenged to find solutions to stem landfill growth," said Dr. Bill Hsu, vice president, DuPont Engineering Polymers global technology, referring to the fact that 30 percent of a vehicle today still cannot be economically recycled. "Today's announcement using our developmental Composite Recycle Technology is one of many solutions that can emerge when the value chain works together toward the same objectives." DuPont and DENSO are jointly demonstrating the viability of the technology and the performance of the product. DuPont Composite Recycle Technology, aimed at addressing real-world challenges of recycling large, glass- or mineral-filled nylon parts, complements the DuPont portfolio of chemical and mechanical recycle processes. The initiatives illustrate the DuPont sustainability commitment: "to deliver technologies today that make life better while ensuring future generations will have the same opportunity." "Long-term, sustainable solutions to difficult challenges such as those associated with recycling in the auto industry require a new breed of creative development partnerships, a deep understanding of materials science and the lifecycle impact of science," said Hsu. "We have over the years worked with industry and analyzed the effects of using various technologies and their resultant feedstreams on the environment and on the economics of everyone in the value chain," Hsu said. "Though still developmental, our Composite Recycle Technology brings us even closer to a process that can reduce environmental impact, but we still need to optimize the economics throughout the entire value chain." DuPont Composite Recycle Technology is a proprietary chemical process that can accept a variety of nylon polymer and fiber and a range of reinforcements such as glass or mineral. The development program with DENSO uses washed, post-consumer, glass-filled nylon radiator end tanks supplied by DENSO in Japan and from feedstock suppliers throughout North America. The process reclaims polymer with minimal loss of content. The pilot program was launched from lab scale facilities in a DuPont R&D Center in Kingston, Ontario. Demonstration of Composite Recycle Technology is being carried out on a DuPont prototype facility designed, constructed and operated in conjunction with Fielding Chemical Technologies Inc., located on the site of their manufacturing facility in Mississuaga, Ontario. Plans to scale up the process are being developed. DENSO Corporation, headquartered in Kariya, Aichi prefecture, Japan, is a leading global supplier of advanced technology, automotive systems and components. Worldwide, the company employs 85,000 people in 29 countries and regions, including Japan. Consolidated global sales for the year ended March 31, 2001 totaled US$16.2 billion. For further information, please visit the Web site at www.globaldenso.com. Fielding Chemical Technologies Inc. is Canada's largest and most advanced solvent and refrigerant recycling company. It was the first in North America to achieve ISO 9002 registration and first recycling company in the world to achieve ISO 14002 registration. Fielding and DuPont have cooperated for nearly 40 years.
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