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