Abstract
Coefficients of air diffusion and permeability for surfactant tetradecyltrimethylammonium bromide aqueous solution and synthetic detergent Fairy are estimated by the diminishing bubble method. It is found that the diffusion coefficient is 5.9 × 10–4 cm2/s for tetradecyltrimethylammonium bromide and is (6.1–6.3) × 10–4 cm2/s for Fairy, and the volume permeаbility coefficient is 0.05 cm/s for tetradecyltrimethylammonium bromide and 0.06 cm/s for Fairy. The accuracy of experimental measurements is 10–15%. The time dependence of the squared diameter of the air bubble is close to linear.
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Original Russian Text © A.A. Sonin, I.A. Karpov, L.V. Volkova, 2018, published in Vysokomolekulyarnye Soedineniya, Seriya C, 2018, Vol. 60, No. 1, pp. 37–43.
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Sonin, A.A., Karpov, I.A. & Volkova, L.V. Investigation of Air Diffusion in a Wet Foam. Polym. Sci. Ser. C 60, 32–38 (2018). https://doi.org/10.1134/S1811238218010083
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DOI: https://doi.org/10.1134/S1811238218010083