Selective wetting in the tetradecyltrimethylammonium bromide aqueous solution-p-xylene-solid system

Author： Soboleva O.   Badun G.   Korobkov V.   Ivanova N.  

Publisher： MAIK Nauka/Interperiodica

ISSN： 1061-933X

Source： Colloid Journal, Vol.69, Iss.4, 2007-08, pp. : 506-513

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Abstract

The advancing and receding contact angles in the tetradecyltrimethylammonium bromide aqueous solution-p-xylene-glass system are determined. The adsorption of surfactant at the water-p-xylene interface is studied by the scintillating phase method and the assumption of the possible formation of microemulsion phase at the interface is made. Surfactant distribution over a solid surface in selective wetting is investigated by autoradiography. It is established that selective wetting differs substantiallyfrom wetting in air; possible reasons for the observed differences are discussed.

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