Application of 3-amino-1,2,4-trizole as bronze corrosion inhibitor

A technology of triazole and corrosion inhibitor, which is applied in the field of corrosion and protection of metal materials, can solve the problem that the research on the corrosion inhibitor of bronze cultural relics has not been reported, and achieve the effect of reducing the corrosion current of bronze

Active Publication Date: 2012-10-17
SHANGHAI UNIVERSITY OF ELECTRIC POWER +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

3-Amino-1,2,4-triazole is an azole organic compound and is environmentally friendly, but it has not been reported as a corrosion inhibitor for bronze cultural relics

Method used

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  • Application of 3-amino-1,2,4-trizole as bronze corrosion inhibitor
  • Application of 3-amino-1,2,4-trizole as bronze corrosion inhibitor
  • Application of 3-amino-1,2,4-trizole as bronze corrosion inhibitor

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Embodiment 1

[0015] 1. Solution preparation

[0016] 3-Amino-1,2,4-triazole (analytical pure): the molecular formula is C2N4H4 (ATA), white powder, soluble in water, and the implementation system is a simulated atmospheric solution.

[0017] Configuration of simulated atmospheric solution: [NaCl]=0.2g / L, [NaCl] 2 SO 4 ]=0.2g / L, [NaHCO 3 ]=0.2g / L

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Abstract

The invention discloses an application of 3-amino-1,2,4-trizole as a bronze corrosion inhibitor, belonging to the technical field of corrosion and protection of metal materials. The 3-amino-1,2,4-trizole has a concentration of 10-40mg / L in a simulated atmospheric solution and the electrochemistry data show that the 3-amino-1,2,4-trizole used as the bronze corrosion inhibitor has good corrosion inhibiting effect. Particularly, after adding 30mg / L 3-amino-1,2,4-trizole corrosion inhibitor in the simulated atmospheric solution, the bronze corrosion current is greatly reduced from 6.886uA / cm2 to 0.2684uA / cm2 and the corrosion inhibition efficiency is 96.1%, thereby proving that the 3-amino-1,2,4-trizole can be used as the bronze corrosion inhibitor, is environmental-friendly, and has good corrosion inhibiting effect to the bronze in the system after used.

Description

technical field [0001] The invention relates to the application of 3-amino-1,2,4-triazole as a bronze corrosion inhibitor, belonging to the technical field of metal material corrosion and protection. Background technique [0002] Ancient bronze ware is one of the symbols of ancient Chinese civilization, and bronze cultural relics have extremely high historical, artistic and scientific value. Bronze generally refers to copper, tin or alloys of copper, tin, lead, etc. Because of its low melting point, good solution flow, good gloss and corrosion resistance, it became the main casting material for ancient people's living utensils or weapons. These ancient bronze utensils have been buried deep in the ground for a long time, and the corrosion is complicated. They have established a relatively stable balance relationship with the surrounding environment. Exacerbates corrosion damage. It is of great significance to understand the corrosion mechanism of bronze cultural relics and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F11/14
Inventor 徐群杰时士峰邓超云虹
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER
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