A urethane linkage occurs when an alcohol adds across the carbonnitrogen double bond in an isocyanate: Polyurethanes

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A urethane linkage occurs when an alcohol adds across the carbon€”nitrogen double bond in an isocyanate:

Polyurethanes are formed from the copolymerization of a diol with a diisocyanate. Polyurethanes are used in foamed insulation and a variery of other construction materials. What is the structure of the polyurethane formed by the following reaction?

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Chemical Principles

ISBN: 978-1111580650

7th edition

Authors: Steven S. Zumdahl, Donald J. DeCoste

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Question Posted: May 05, 2015 08:33 AM

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A urethane linkage occurs when an alcohol adds across the carbonnitrogen double bond in an isocyanate: Polyurethanes

Question:

N-R Alcohol Isocyanate Urcthanc HOCH.CH.OH + O=C=N- △ ,N

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Chemical Principles

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