The acid component can comprise {HEAD ~ a mixture} of {TAIL ~ a C4 C6 dicarboxylic acid} and at least one of benzoic acid or a C9 C2 aliphatic dicarboxylic acid 
of
The acid component can comprise { HEAD ~ a mixture } of { TAIL ~ a C4 C6 dicarboxylic acid } and at least one of benzoic acid or a C9 C2 aliphatic dicarboxylic acid
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH