The kinetics of the noncatalytic reactions of isophorone diisocyanate with n propanol, isopro panol, 1,3 diazidopropan 2 ol, propargyl alcohol, and phenol in toluene in the temperature range from 20 to 90°C at the stoichiometric ratio of reactive groups has been investigated by IR spectroscopy. The apparent rate constants for the reactions of the aliphatic and cycloaliphatic isocyanate groups of isophorone diisocy anate with all of the alcohols have been measured. The activation parameters of the reactions of isophorone diisocyanate with n propanol, isopropanol, and 1,3 diazidopropan 2 ol have been determined. The data obtained are considered in terms of the alcohol structure and molecular organization of solutions.

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