Poly[oxy(methyl-1,2-ethanediyl)], α,α',α''- 1,2,3-propanetriyltris[ω-hydroxy-, polymer with 1,1'-methylenebis[isocyanatobenzene]

Polyoxy(methyl-1,2-ethanediyl), .alpha.,.alpha.,.alpha.-1,2,3-propanetriyltris.omega.-hydroxy-, polymer with 1,1-methylenebisisocyanatobenzene