The polyester resin contains {HEAD ~ a hydroxy terminated polyalkadienediol} having an average degree of polymerization from 5 to 50, a hydrogenated product thereof or a mixture thereof in a proportion from {TAIL ~ 1 to 30%} by weight of the entire polyester forming reactants, and has an acid number from 5 to 150, a hydroxyl number from 30 to 250 
The polyester resin contains { HEAD ~ a hydroxy terminated polyalkadienediol } having an average degree of polymerization from 5 to 50 , a hydrogenated product thereof or a mixture thereof in a proportion from { TAIL ~ 1 to 30 % } by weight of the entire polyester forming reactants , and has an acid number from 5 to 150 , a hydroxyl number from 30 to 250
OTH OTH OTH OTH HEAD HEAD 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 TAIL TAIL 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 OTH OTH OTH OTH OTH OTH