Synonyms: Oxirane,methyl-, polymer with oxirane, ether with 1,2,3-propanetriol (3:1), polymerwith 1,3-diisocyanatomethylbenzene, a-hydro-w-hydroxypoly[oxy(methyl-1,2-ethanediyl)] and a,a',a''-1,2,3-propanetriyltris[w-hydroxypoly[oxy(methyl-1,2-ethanediyl)]],caprolactam-blocked