how-does-the-nucleophilic-addition-mechanism-facilitate-the-formation-of-polyure

Question

How does the nucleophilic addition mechanism facilitate the formation of polyurethane?

Accepted Answer

By allowing the diol to react with the isocyanate groups, forming urethane linkages.

Answer

By promoting the condensation of diols and isocyanates.

Answer

By causing the isocyanate groups to rearrange into more reactive species.

Answer

By enabling radical formation and spontaneous polymerization.