英文名称:Poly[oxy(methyl-1,2-ethanediyl)], α,α',α''- 1,2,3-propanetriyltris[ω-hydroxy-, polymer with 1,3-diisocyanatomethylbenzene, Et alc.-blocked; Poly[Oxy(Methyl-1,2-Ethanediyl)], Α,Α',Α''- 1,2,3-Propanetriyltris[Ω-Hydroxy-, Polymer With 1,3-Diisocyanatomethylbenzene, Et Alc.-Blocked