Blends of polyamide polyols and urethane diols are prepared by reacting {HEAD ~ alkyl esters} of polybasic acids with {TAIL ~ excess alkanolamine} to form the polyamide polyol of the polybasic acid and alkyl alcohol 
Blends of polyamide polyols and urethane diols are prepared by reacting { HEAD ~ alkyl esters } of polybasic acids with { TAIL ~ excess alkanolamine } to form the polyamide polyol of the polybasic acid and alkyl alcohol
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH