Mechanism of a Solid/Liquid Interfacial Reaction. The Reaction of an Aqueous Solution of an Aromatic Amine with Cyanuric Chloride

Article abstract of DOI:10.1021/j100120a020

The reaction between solid cyanuric chloride and an aromatic amine, N,N-dimethyl-p-phenylenediamine (DMPA) in aqueous solution is studied using the channel flow cell method in which a constant geometric area of solid is exposed to solution.It is shown that reaction occurs via the dissolution of the solid (with a constant flux of material being released into solution) followed by homogeneous coupling to the amine in parallel with hydrolysis of cyanuric chloride.Kinetic parameters for the process are reported and the value of the approach used for the determination of mechanisms for interfacial processes at insulator solid/liquid interfaces noted.In particular the site of the chemical coupling reaction between DMPA and cyanuric chloride is found to be located in homogeneous solution rather than proceeding via an interfacial process although the rate of the reaction is effectively controlled by the speed at which solid can enter the solution.