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