Research Article

Reactions of N,N-bis(2-hydroxyethyl)oxalamide with Ethylene Carbonate and Use of the Obtained Products as Components of Polyurethanes Foams

Figure 1

1H-NMR spectrum of the reaction product of BHEOA : EC 1 : 2 in the presence of 0.06 mole K2CO3/mole OA at C.
689837.fig.001