The formulation 11, wherein {HEAD ~ the polyurethane} is derived from {TAIL ~ a polyester glycol} 
The formulation 11 , wherein { HEAD ~ the polyurethane } is derived from { TAIL ~ a polyester glycol }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL