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2001•The Chinese Journal of Nonferrous MetalsRequires access

Corrosion inhibition of BTA and its derivative 4CBTA on copper electrode in 3% NaCl solution

XU Qun

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Abstract

The corrosion inhibition of BTA and its derivative 4CBTA on Cu electrode in 3% NaCl solution was studied by SERS technique. The inhibition mechanism for these inhibitors was found to be nearly the same, which form a protective film through the triazole ring. As the potential turns negative, the molecules of BTA or 4CBTA gradually adsorbs on the copper surface. The substitute group(—COOH) of 4CBTA acts as a steric hindrance. A combination of BTA and 4CBTA doesn't show any synergistic effect and the adsorption substance on the copper surface is mainly BTA.[

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The corrosion inhibition of BTA and its derivative 4CBTA on Cu electrode in 3% NaCl solution was studied by SERS technique. The inhibition mechanism for these inhibitors was found to be nearly the same, which form a protective film through the triazole ring. As the potential turns negative, the molecules of BTA or 4CBTA gradually adsorbs on the copper surface. The substitute group(—COOH) of 4CBTA acts as a steric hindrance. A combination of BTA and 4CBTA doesn't show any synergistic effect and the adsorption substance on the copper surface is mainly BTA.[

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Available abstract

The corrosion inhibition of BTA and its derivative 4CBTA on Cu electrode in 3% NaCl solution was studied by SERS technique. The inhibition mechanism for these inhibitors was found to be nearly the same, which form a protective film through the triazole ring. As the potential turns negative, the molecules of BTA or 4CBTA gradually adsorbs on the copper surface. The substitute group(—COOH) of 4CBTA acts as a steric hindrance. A combination of BTA and 4CBTA doesn't show any synergistic effect and the adsorption substance on the copper surface is mainly BTA.[

Key concepts: Copper, Steric effects, Adsorption, Corrosion, Electrode, Molecule, Materials science, Derivative (finance)

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