Poly[oxy(methyl-1,2-ethanediyl)],.alpha.-hydro-.omega.-(2-aminomethylethoxy)-,etherwith2-ethyl-2-(hydroxymethyl)-1,3-propanediol(3:1);Trimethylolpropanepoly(oxypropylene)triamine;trimethylolpropanetris(poly(propyleneglycol);POLYETHERAMINE T 403;TRIMETHYLO