A urethane linkage occurs when an alcohol adds across the carbonnitrogen double bond in
Chapter 22, Problem 22.175(choose chapter or problem)
A urethane linkage occurs when an alcohol adds across the carbonnitrogen double bond in an isocyanate: Alcohol Isocyanate A urethane R O H + O C N R RO C N H R O Polyurethanes (formed from the copolymerization of a diol with a diisocyanate) are used in foamed insulation and a variety of other construction materials. What is the structure of the polyurethane formed by the following reaction? HOCH2CH2OH + O C N N C O
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