Abstract

AbstractAn investigation of continuous emulsion polymerisation kinetics was carried out using a series of three continuous stirred tank reactors (CSTR), and styrene and methyl acrylate as types of monomer with different solubilities in water.Steady‐state conversion fluctuations reported in the literature could be suppressed by holding the feed rates constant.The results obtained are only partly in agreement with the theory proposed by Gershberg & Longfield, who combined the basic assumptions of the Smith‐Ewart theory with steady‐state CSTR kinetics.An explanation for the deviations from this theory is therefore suggested which takes into account the tendency of relatively water‐soluble monomers to form particles from the homogeneous solution and to undergo so‐called interparticle termination as a result of migration of radicals between the latex particles.

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