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Kuznetsov, V. V.; Skibina, L. M.; Loskutnilova, I. N.

doi:10.1023/a:1026685329199

Cited by 4 publications

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“…According to formal-kinetic analysis it was established a pits initiation mechanism for ivestigated systems. It correlates with the theory of nucleophilic substitution of dissociative type [5] and with Pirson's principle of "hard and soft acids and bases" (HSAB) [6]. In the system with α-Ala additive Alaions are responsible for local activation.…”

mentioning

confidence: 53%

Anodic Copper Oxidation in Alkaline Mediums with a- Alanine and Asparagine Acid Additives.

Kaluzhina,

Skrypnikova,

Orlova

et al. 2006

Meet. Abstr.

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confidence: 53%

Anodic Copper Oxidation in Alkaline Mediums with a- Alanine and Asparagine Acid Additives.

Kaluzhina,

Skrypnikova,

Orlova

et al. 2006

Meet. Abstr.

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“…The results presented in numerous publications show that most organic inhibitors act by as 2D or 3D inhibitors, i.e., they can either be adsorbed on the metal surface or inhibit the corrosion via precipitation [2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Phosphonic acid derivatives used in self assembled layers against metal corrosion

Abohalkuma¹,

Shawish²,

Telegdi³

2014

Int. J. Corros. Scale Inhib.

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The preparation of self assembled molecular (SAM) layers needs molecules with a small hydrophilic and a big hydrophobic molecular parts. Special molecules were chosen where the head group was in all cases phosphonic group, but there were significant differences in the other molecular part. In one case a medium sized carbon chain with a single double bound, in the second case a long alkyl chain with fluoro atoms, and in the third case a polymer molecular part represented the hydrophobic molecular section. Our work was focused on the preparation and characterization of their SAM layers they formed on solid surfaces under the different conditions. The molecular films were deposited from organic solvents on different metal surfaces covered by oxide layer. In the case of the layer with double bounds, polymerization of the molecules on the surface with UV light was applied. The modified surfaces were characterized by the wettability and their anti-corrosion activity was determined in linear polarization experiments.According to the numerical results the wettability of the surfaces differed significantly, i.e., we successfully modify the solid surface with the coatings. The anticorrosion activity of the coated surfaces depends on the molecules used for layer deposition. The samples with fluoro-alkyl chains gave the best results, not only their contact angles were very high but their anti-corrosion effectiveness was the best.

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“…Amino acids are widely used as complexing agents in various problems of applied electrochemistry and corrosion (1)(2)(3)(4)(5)(6)(7)(8). Earlier, we revealed some functions of alanine (a well-known amino acid in its α-and β-isomers), in electrochemical processes on copper in its active, passive, or locally activated (LA) state (9)(10)(11)(12).…”

Section: Introductionmentioning

confidence: 99%

The Nature and Thiknesses of Passive Films on Interface Cu/ NaOH+Alanine

Kaluzhina

Orlova

Andreeva³

2007

ECS Trans.

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Thicknesses of films formed on the copper in alkaline solution in the presence of alanine are studied by ellipsometric method. It was found that small additives of β-alanine (10-4-10-3 mol/l) cause additional stabilization of copper passivity due to an increase in the film thickness. The adsorption kinetics of α- and β-alanine is studied. It is shown experimentally that β-alanine adsorbs on copper according to the Frumkin isotherm. By contrast, no definite type isotherm can be obtained for α-alanine due to its higher activity and ability to form soluble complexes with copper ions.

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Cited by 4 publications

References 0 publications

Anodic Copper Oxidation in Alkaline Mediums with a- Alanine and Asparagine Acid Additives.

Anodic Copper Oxidation in Alkaline Mediums with a- Alanine and Asparagine Acid Additives.

Phosphonic acid derivatives used in self assembled layers against metal corrosion

The Nature and Thiknesses of Passive Films on Interface Cu/ NaOH+Alanine

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