Polyurethanes can be made by the step growth polymerization based on the reaction between isocyanates (R-N=C=O) and alcohols. Predict the repeat unit and draw the reaction mechanism for the polymerization of 4,4'-methylenebis(phenylisocyanate) and ethylene glycol. O=C=N- H -N=C=O 4,4'-methylenebis(phenylisocyanate) HO. OH ethylene glycol
Polyurethanes can be made by the step growth polymerization based on the reaction between isocyanates (R-N=C=O) and alcohols. Predict the repeat unit and draw the reaction mechanism for the polymerization of 4,4'-methylenebis(phenylisocyanate) and ethylene glycol. O=C=N- H -N=C=O 4,4'-methylenebis(phenylisocyanate) HO. OH ethylene glycol
Chapter31: Synthetic Polymers
Section31.SE: Something Extra
Problem 13VC
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