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Polymer compositions and methods

United States Patent

September 27, 2016
View the Complete Patent at the US Patent & Trademark Office
The present invention encompasses polyurethane compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane foams, thermoplastics and elastomers derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure: ##STR00001## In another aspect, the invention provides articles comprising the inventive foam and elastomer compositions as well as methods of making such compositions.
Allen; Scott D. (Ithaca, NY), Willkomm; Wayne R. (Ithaca, NY)
Novomer, Inc. (Ithaca, NY)
14/ 234,482
July 24, 2012
GOVERNMENT SUPPORT This invention was made with United States Government support under grant DE-FE0002474, awarded by the Department of Energy. The United States Government has certain rights in the invention.