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About 11 million vehicles are scrapped each year in the United States. Most of these vehicles are recycled by automotive dismantlers and shredders. Presently, about 95% of the ferrous and non-ferrous metals present in vehicles (75% of the total vehicle weight) are recovered. The remainder of the scrapped vehicles (non-metal portion known as automotive shredder residue-ASR) is landfilled, generating up to 3 million tons of waste per year. In order to increase the efficiency of recovery of both ferrous and non-ferrous metals from the shredded vehicles, numerous developments have been made by the shredders in separation technology recently. This paper is an update of our previous paper and contains in-depth characterization of the various ASR streams.

A number of prototype automotive interior trim products were developed from polyurethane-cored headliner scrap by utilization of isocyanate-based binders: 1) rear-seat-to-back-window trim panels (Deville and Eldorado Chimsl covers), 2) package trays (Neon PL-tray, Buick/Oldsmobile G-trays), and 3) sun-shades (Accord/Acura sun-shades). The technology for the manufacture of these products is outlined in this paper as well as their mechanical, acoustical, and other properties relevant to the automotive interior trim applications.