Abstract
1. The kinetics of the polycondensation of terephthalyl chloride with 9,9-bis-(4-hydroxyphenyl)fluorene in ditolylmethane, dinyl, and nitrobenzene was studied in the temperature interval 150–200°. 2. According to the initial rates the reaction is one and a half-order; first-order with respect to the bis-phenol and half-order with respect to the acid chloride. 3. With increasing temperature of the reaction, the electric conductivity of the reaction mixture increases substantially. It-was established that the acid chloride is responsible for this. 4. The total order during the process is lower than the reaction order with respect to the initial rates; this lack of agreement is due to a change in the reactivity of the acid chloride group after replacement of one halogen in the initial acid dichloride. 5. A kinetic scheme of an ionic reaction mechanism with the formation of an acylium ion was proposed, which explains the results obtained.
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