Abstract

Accelerated settling tests were made on dilute polyvinyl acetate emulsions in the presence of increasing concentrations of electrolyte. Stability–electrolyte concentration curves for five of the six emulsions studied show a marked similarity to the zeta potential or mobility curves, indicating that under such conditions the charge on the latex particle is the most important factor in determining stability. The anomalous behavior of an almost neutral latex formulated with mixed cationic and nonionic emulsifiers is attributed to the preponderance of other factors associated with micellar phenomena.

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