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