The development of a new additive that helps meld incompatible types of plastic together, which holds important implications for recycling, won the 2017 Newcomb Cleveland Prize of the American Association for the Advancement of Science. The winning paper is entitled “Combining polyethylene and polypropylene: Enhanced performance with PE/iPP multiblock polymers,” and it was published in Science on February 24, 2017. As described in the paper, a team under Geoffrey Coates and Anne LaPointe at Cornell University collaborated with the Bates group at the University of Minnesota to develop a polymer additive, and a novel process to fuse it with the other two materials. The result is a mechanically tough recycled polymer that avoids the need for costly methods to process the two separately.
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