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Polymer blends

United States Patent

August 22, 2017
View the Complete Patent at the US Patent & Trademark Office
The present invention provides, among other things, extruded blends of aliphatic polycarbonates and polyolefins. In one aspect, provided blends comprise aliphatic polycarbonates such as poly(propylene carbonate) and a lesser amount of a crystalline or semicrystalline polymer. In certain embodiments, provided blends are characterized in that they exhibit unexpected improvements in their elongation properties. In another aspect, the invention provides methods of making such materials and applications of the materials in applications such as the manufacture of consumer packaging materials.
Allen; Scott D. (Ithaca, NY), Naik; Sanjeev (Ithaca, NY)
Novomer, Inc. (Waltham, MA)
13/ 878,582
October 11, 2011
GOVERNMENT SUPPORT This invention was made with U.S. government support under Contract DE-FE0002474, awarded by the US Department of Energy. The U.S. government has certain rights in the invention.