新型三苯胺銅保護基之合成與電化學研究

張君薇

doi:10.6342/NTU.2013.00161

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新型三苯胺銅保護基之合成與電化學研究

Synthesis of Novel Triphenylamine Protective Groups for Copper and Electrochemical Research

張君薇 , Masters　　Advisor：梁文傑　　

繁體中文 DOI： 10.6342/NTU.2013.00161

銅腐蝕抑制劑；三苯胺；氧化劑；有機酸； copper corrosion inhibitors ； triphenylamine ； oxidants ； organic acids

Abstract │ Reference (55) │ Altmetrics

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We successfully synthesized a series of the triphenylamine based molecules for protection of copper and used electrochemical methods to examine the anticorrosive behavior. All structures contained amino (-NH2) chelating group and connected to alkyl chain, benzene ring or polycyclic aromatic functional groups (pyrene) as substituents. Because the design of the chelating group have electron rich properties, as well as copper, we applied two methods to improve the binding ability and adsorption coverage.

We used surface characteristic methods and electrochemical measurements to observe these phenomena of unique molecules. These results are consistent with our expection and prove that designed molecules having potential for protection of copper.

In the chapter 3, it is confirmed that the chelating groups of the compounds can be oxidized, so that triphenylamine protective groups turn to radical cation species, having electron poor character and can connect to copper to form effective bindings.

In the chapter 4, we tried to use a series of organic acids via electrochemical processes letting triphenylamine copper protective group become another forms, adsorbed on to the surface of the copper tightly.

The decrease of adsorption coverage of triphenylamine based molecules were in order of：non-modified group > methyl > phenyl > tert-butyl > pyrene. Both system’s results are similar to, and it can confirm that triphenylamine derivatives have the ability to serve as protective groups for copper.

Reference ( 55 ) 〈TOP〉

3. E. Bardal, Corrosion and Protection, Springer: London-New York, 2003.
連結：
4. P. Marcus, Corrosion Mechanismsin Theoryand Practice, 3rded, CRC process: London-New York, 2012.
連結：
8. T.P. Chaturvedi, BDS, MDS. CORROSION BEHAVIOUR OF ORTHODONTIC ALLOYS - A REVIEW.
連結：
9. Fundamentals of Electrochemical Corrosion (#06594G).
連結：
11. F. Ropital and F. Bonnet, Mechanismof catalytic coke formation and some means to limit it in refinery processes, 2008 (Presented at the 7th High temperature corrosion and protection of materials, 18/5/2008, Les Embiez).
連結：

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