Suitable dicarboxylic acids include adipic acid, azelaic acid, sebacic acid, {HEAD ~ dodecanedioic acid}, {TAIL ~ terephthalic acid}, isophthalic acid, t butyl isophthalic acid, and mixtures thereof 
Suitable dicarboxylic acids include adipic acid , azelaic acid , sebacic acid , { HEAD ~ dodecanedioic acid } , { TAIL ~ terephthalic acid } , isophthalic acid , t butyl isophthalic acid , and mixtures thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH