RESEARCH OF THE ANTI-TARNISHING PERFORMANCE OF PMM FOR SILVER

J Chin Soc Corr Pro

2002, Vol. 22

Issue (5): 304-307 DOI:

Research Report

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RESEARCH OF THE ANTI-TARNISHING PERFORMANCE OF PMM FOR SILVER

Dongshu Zhang;Lankun Cai;Hongfan Zhu

华东理工大学资源与环境工程学院

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Abstract By means of corrosion test of flower of sulfur vapo r,corrosion test under ultraviolet photallochromy acceleration and measurement o f polarization curve,the inhibition performance of 1-phenyl-5-mercaptotetrazole (PMTA),2-mercaptobenzoxazole (MBO),2-mercaptobenzimidazole (MBI) and the built i nhibitor (PMM) were evaluated.The result of corrosion test showed that PMM was t he most prominent for silver in the four inhibitors and the PMM took on the syne rgistic effect.The anti-tarnishing films were studied by the means of Auger elec tron spectroscopy (AES) and X-ray photoemission spectroscopy (XPS).Results showe d that the anti-tarnishing film formed by PMM is more compact and stabilized tha n that of mono-component inhibitor,so the mixed tarnishing inhibitor was more ef fective than mono-component inhibitor.

Key words: silver anti-tarnishing film PMM

Received: 08 May 2001

ZTFLH:	TG172
	TG174.2

Corresponding Authors: Dongshu Zhang

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Dongshu Zhang; Lankun Cai; Hongfan Zhu. RESEARCH OF THE ANTI-TARNISHING PERFORMANCE OF PMM FOR SILVER. J Chin Soc Corr Pro, 2002, 22(5): 304-307 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2002/V22/I5/304

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