Why is the efficiency of carrosion inhibition of stainlessl steel by C18 cationic surfactants lower than for C16 an C12? Are there any paper about that? I have series of cationic surfactants and for all of them the behavior is the same and the general theory is that the efficiency increases with elongating the carbon chain.
Increasing the carbon chain increases the inhibition efficiency for the surfactants and this is consistent with our previous study in this area, http://dx.doi.org/10.1016/j.corsci.2016.03.004
You tested gemini surfactants with 8,12 and 16 carbon's atom in alkyl chains and I'm asking about C18.
Depends on the nature of the substitute in the position C-12,and C-16, it may vary when compared with C-18. whether the substituents are amine, cyanide or alkyl and hydroxyl
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