a linear polyester having {HEAD ~ repeating units} of the formula: ##STR3## wherein n is a whole number from two to four, the total weight of plus being from about 35 to {TAIL ~ about 95 parts} of the composition: 
a linear polyester having { HEAD ~ repeating units } of the formula : # # STR3 # # wherein n is a whole number from two to four , the total weight of plus being from about 35 to { TAIL ~ about 95 parts } of the composition :
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 OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH