INVESTIGATION OF 2-MERCAPTOBENZOXAZOLE(MBO) INHIBITIVE FILM ON COPPER

J Chin Soc Corr Pro

1999, Vol. 19

Issue (6): 367-371 DOI:

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INVESTIGATION OF 2-MERCAPTOBENZOXAZOLE(MBO) INHIBITIVE FILM ON COPPER

Chuanwei Yan;Yufan He;;

中科院金属腐蚀与防护研究所

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Abstract The protection film formed on copper in 1mmol/L MBO solution containing NaCl,was characterized and studied by means of AES,XPS,FTIR and in situ STM.The FTIR characteristics for the surface of copper sample immersed in the solution for various durations were different from that for MBO.XPS data indicated that the chemical circumstance of S and N atoms in the MBO inhibition film formed in MBO + NaCl solution changed evidently in compact three-dimension film on copper surface in MBO solution containing NaCl.It is concluded that MBO reacted with the cuprous species from copper corrosion,and produced a water-insoluble material to form the inhibition film.

Key words: 2-Mercaptobenzoxazole(MBO) inhibition copper corrosion

Received: 28 December 1998

Corresponding Authors: Chuanwei Yan

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Chuanwei Yan; Yufan He. INVESTIGATION OF 2-MERCAPTOBENZOXAZOLE(MBO) INHIBITIVE FILM ON COPPER. J Chin Soc Corr Pro, 1999, 19(6): 367-371 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1999/V19/I6/367

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