A Study of Ultra-Fine Powder modified Anti-Corrosive Coating

J Chin Soc Corr Pro

2004, Vol. 24

Issue (1): 33-36 DOI:

Research Report

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A Study of Ultra-Fine Powder modified Anti-Corrosive Coating

Xuemei Wu;Yuzhen Lin;Jingjun Liu

北京化工大学材料科学与工程学院

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Abstract In the present paper, EIS was used to study ultra-fine TiO2 modified epoxy anti-corrosion coating. Experimental results show that the Nyquist plot of ultra-fine TiO2 modified epoxy anti-corrosion coating is a single capacitive loop, and its equivalent circuit is parallel connection of polarization resistance and coating capacitance. After half year, immersion in 3.5% NaCl solution, the polarization resistance keeps higher than 108Ω.cm2, coating capacitance lower than 10-10F/cm2 and water absorption is 0.12.These show that the ultra-fine TiO2 modified epoxy anti-corrosion coating has excellent anti-corrosion performance and anti-water performance.

Key words: electrochemical impedance spectroscopy(EIS) ultra-fine TiO2 modified epoxy anti-corrosion coating an

Received: 12 February 2003

ZTFLH:

TG174.3

Corresponding Authors: Yuzhen Lin

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Xuemei Wu; Yuzhen Lin; Jingjun Liu. A Study of Ultra-Fine Powder modified Anti-Corrosive Coating. J Chin Soc Corr Pro, 2004, 24(1): 33-36 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2004/V24/I1/33

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