Abstract
The contact-line motion upon creation of Y—Langmuir—Blodgett multilayers was studied under conditions of liquid-film entrainment. Arachidic acid and octadecylamine were used to model respectively negatively and positively charged liquid/gas and liquid/solid interfaces. The existence of a maximum speed of the three-phase contact line in these systems was proved (as earlier for glycerol—water mixtures and hydrophobic substrates). The effects of counter-ion type and concentration and pH on V max were also studied. The results are discussed on the basis of the electrical characteristics and hydration of the interfaces interacting in the three-phase contact zone.
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