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The Marangoni Effect and Liquid/Liquid Coalescence

Naturevolume 191page488 (1961) | Download Citation



THE rate of coalescence of liquid drops (phase 1) suspended in an immiscible liquid (phase 2) has been shown to increase when a third component, soluble in both phases, diffuses out of the drop1–5, and vice versa. This behaviour has been attributed to the Marangoni effect6, whereby interfacial flow is established by gradients in interfacial tension causing an increase in one case, and a decrease in the other, of the rate of thinning of the phase-2 film separating the coalescing interfaces.

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    Allan, R. S., and Mason, S. G., J. Colloid Sci. (in the press).

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    Charles, G. E., and Mason, S. G., J. Colloid Sci., 15, 236 (1960).

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    Sawistowski, H. (private communication).

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    Scriven, L. E., and Sternling, C. V., Nature, 187, 186 (1960).

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    Allan, R. S., Charles, G. E., and Mason, S. G., J. Colloid Sci., 16, 150 (1961).

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  1. Pulp and Paper Research Institute of Canada, and Department of Chemistry, McGill University, Montreal

    • G. D. M. MACKAY
    •  & S. G. MASON


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