1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 2,4-diisocyanato-1-methylbenzene, α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)] and 2,2'-oxybis[ethanol]

1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 2,4-diisocyanato-1-methylbenzene, .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl) and 2,2-oxybisethanol