Urea-formaldehyde resin is a highly rigid 3D thermosetting polymer used in laminates. What small, stable molecule is continuously eliminated during the network-forming condensation step of its synthes

Question

Urea-formaldehyde resin is a highly rigid 3D thermosetting polymer used in laminates. What small, stable molecule is continuously eliminated during the network-forming condensation step of its synthesis?

Prashant Kotian · Accepted Answer

Correct answer: D. After urea and formaldehyde initially react to form the monomethylol urea intermediate, the subsequent condensation steps build the 3D network by eliminating water () molecules.

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