Abstract
Because the mechanism through which amines act as corrosion inhibitors is not entirely clear, the contribution of structural factors in a series of aliphatic amines to the protective effect of these compounds as oil-soluble corrosion inhibitors was evaluated. Five aliphatic amines were synthesized for study. The procedure for corrosion tests is explained, and the results, showing the steel corrosion rate as a function of test time, are given. The data suggests that a substantial contribution to the protective capability of amines is made by their surface activity, which is determined by the length of the alkyl radical. But there is no linear correlation between the protective capability of the amines and the number of carbon atoms according to Traube's rule.
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