Abstract
1. Adsorption of sodium oleate on an air-oxidized aluminum surface leads to the formation of a regularly oriented polymolecular film. In this film, the oleate molecules are so arranged that the axes of their carboxyl groups stand at right angles to the metal surface. The formation of this film lowers the work function of the metal by 0.03–0.05 V. 2. Polymerization, with double-bond rupture in the sodium oleate molecule, results in firm bonding of oleate film to the metal surface. 3. Thermal treatment of the polymerized adsorbed film leads to molecular reorientation. 4. The adsorption of water vapor on the sodium oleate-modified aluminum surface is almost complete reversible, differing from adsorption on the original hydroxylated aluminum surface insofar as it leads to a reduction in the work function.
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Schedule a callMore From: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science
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