Ti纳米粒子对环氧涂层防护性能的影响

中国腐蚀与防护学报

2006, Vol. 26

Issue (2): 115-120

研究报告

本期目录 | 过刊浏览

Ti纳米粒子对环氧涂层防护性能的影响

邵亚薇;李瑛;王福会;杜元龙

兰州炼油厂设备所

Effect of nano-Ti pigment on the corrosion resistance of an epoxy coating

Yawei Shao;Ying Li;Fuhui Wang;Yuanlong Du

兰州炼油厂设备所

全文: PDF(197 KB)

摘要: 应用电化学阻抗法(EIS)、示扫描量热法(DSC)、X射线光电子谱(XPS)研究了添加Ti纳米粒子对环氧涂层防护性能的影响.结果表明：添加Ti纳米粒子可以提高环氧涂层的防护性能，添加量在05%(以w/w计)时最好.这是由于添加Ti纳米粒子虽然可增加涂层孔隙率，但Ti纳米粒子与环氧树脂之间存在的相互作用可改善涂层对腐蚀性介质的屏蔽性能，提高涂层的防护性能.

关键词 ：纳米Ti粉, 环氧树脂, EIS, 防护性能

Abstract：Electrochemical impedance spectroscopy (EIS) was co upled with differential scanning calorimetry (DSC) and X-ray photoelectron spect roscopy (XPS) methods to investigate the effects of nano-Ti particle on the corr osion resistance of an epoxy coating on carbon steel.Four systems were studied:a clear coat and three pigmented coatings (with 0.1%,05%,1% nano-Ti).Impedance measurements showed that nano-Ti particle could improve the corrosion resistance of the coating;and the optimal addition is 0.5% (mass%).The results obtained by D SC and XPS showed that the nano-Ti particle enhanced interactions with epoxy res in.Addition the nano-Ti particles into epoxy resin can act two opposite effects: the beneficial effect is attributed to a chemical reaction between the nano-Ti powder and the epoxy resin,which improves the barrier effectiveness of the coati ng; this outweighs the harmful effect of an increase in the number of pores in t he coating.

Key words： Epoxy resin nano-Ti powder EIS. Corrosion resistance

收稿日期: 2004-11-08

ZTFLH:

TG174.46

通讯作者: 邵亚薇 E-mail: ywshao@imr.ac.cn

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引用本文:

邵亚薇; 李瑛; 王福会; 杜元龙 . Ti纳米粒子对环氧涂层防护性能的影响[J]. 中国腐蚀与防护学报, 2006, 26(2): 115-120 .
Yawei Shao, Ying Li, Fuhui Wang, Yuanlong Du. Effect of nano-Ti pigment on the corrosion resistance of an epoxy coating. J Chin Soc Corr Pro, 2006, 26(2): 115-120 .

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2006/V26/I2/115

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