Abstract
The kinetics of photo-initiated radical polymerization of N, N-dimethyl, N-cethylthacryloyl ethylammonium bromide and chloride in monolayers at the water-gaseous nitrogen phase boundary has been investigated. It was found that during increase in lateral pressure the polymerization rate diminishes for the liquid-stretched layer, rises for the liquid-condensed layer with lower packing density of the molecules and again decreased for the liquid-condensed layers with higher packing density of the monomer molecules. Rise in the polymerization rate in the liquid-condensed layers was found on passing to the monomer with the smaller counter-ion in the molecule. The phenomena discovered are explained by the influence of the packing density of the monomer molecules in the monolayer on the elementary polymerization rate constants.
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