| abstract |
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: n n n n n n n n n n In another aspect, the invention provides articles comprising the inventive foam and elastomer compositions as well as methods of making such compositions. |