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