In another aspect of {HEAD ~ the invention}, the dicarboxylic acid may be selected from the group including, but not necessarily limited to, adipic acid, pimelic acid, {TAIL ~ azelaic acid}, sebacic acid, dodecanedioic acid, terephthalic acid, isophthalic acid, t butyl isophthalic acid and mixtures thereof 
In another aspect of { HEAD ~ the invention } , the dicarboxylic acid may be selected from the group including , but not necessarily limited to , adipic acid , pimelic acid , { TAIL ~ azelaic acid } , sebacic acid , dodecanedioic acid , terephthalic acid , isophthalic acid , t butyl isophthalic acid and mixtures thereof
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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