Kinetic study of aminolysis of poly(vinylene carbonate) and related model compounds

Abstract

Abstract The kinetics of poly(vinylene carbonate) (PVC) and ethylene carbonate (EC) aminolysis with n ‐butylamine (BA) in DMF solution was investigated. The EC aminolysis is catalyzed by final product and by BA itself but the reaction kinetics follows satisfactorily the equation – d [BA]/ dr = k [BA][EC]; k 2 increases with an increase in the [BA] 0 . The rate of the PVC aminolysis is considerably higher than that of EC aminolysis under the same conditions. Comparison of these data with those on the aminolysis kinetics for several model compounds and for EC in the presence of carbamates enables one to conclude that the catalysis occurs by the opened monomeric unit adjacent to the reacting one. The catalytic action is likely to be connected with the carbamate groups.