37625-74-4 Urea, formaldehyde, diethylene triamine, triethylene tetramine polymer Urea, formaldehyde, diethylene triamine, triethylene tetramine polymers Urea, formaldehyde, diethylenetriamine, triethylenetetramine polymer Urea, formaldehyde, diethylenetriamine, triethylenetetramine resin Urea, formaldehyde, triethylenetetramine, diethylenetriamine polymer Urea, polymer with N-(2-aminoethyl)-1,2-ethanediamine, N,N'-bis(2-aminoethyl)-1,2-ethanediamine and formaldehyde