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