Synonyms: POLY(CAPROLACTONE) DIOL, AVERAGE M.N. 2000;2-Oxepanone,polymerwith2,2’-oxybis[ethanol];Diethyleneglycol,caprolactonecopolymer;Diethylglycol,.epsilon.-caprolactonepolymer;POLYCAPROLACTONE DIOL, M.W. 530;POLYCAPROLACTONE DIOL, M.W. 1250;POLYCAPROLACTONE DIOL, M.W. 2000;Polycaprolactone oxydiethylene ester.