英文名称:1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 1,3-diisocyanatomethylbenzene, 1,2-ethanediamine, methyloxirane and 2,2-oxybisethanol; 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 1,3-diisocyanatomethylbenzene, 1,2-ethanediamine, methyloxirane and 2,2'-oxybis(ethanol)