Synonyms: Imidodicarbonic diamide, N,N',2-tris(6-isocyanatohexyl)-, polymer with .alpha.-hydro.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol;Imidodicarbonic diamide,N,N',2-tris(6-isocyanatohexyl)-,polymer with .alpha.-hydro.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol