一种酰胺基脂肪酸对酸洗板表面氯离子清洗研究

电镀与精饰 , 2017, 39(5): 15-34. doi: 10.3969/j.issn.1001-3849.2017.05.004

一种酰胺基脂肪酸对酸洗板表面氯离子清洗研究

王雷 ^1, , 李化龙 ^2, , 岳重祥 ^3, , 卢淋 ^4, , 李慧 ^5, , 刘新院 ^6, , 杨伟 ^7, , 安成强 ^8, , 刘常升 ^9,

1.江苏沙钢钢铁研究院,江苏苏州215625;沈阳理工大学环境与化学工程学院,辽宁沈阳110159;东北大学材料各向异性与织构工程教育部重点实验室,辽宁沈阳110004

2.江苏沙钢钢铁研究院,江苏苏州,215625

3.江苏沙钢钢铁研究院,江苏苏州,215625

4.江苏沙钢钢铁研究院,江苏苏州,215625

5.江苏沙钢钢铁研究院,江苏苏州,215625

6.江苏沙钢钢铁研究院,江苏苏州,215625

7.江苏沙钢钢铁研究院,江苏苏州,215625

8.沈阳理工大学环境与化学工程学院,辽宁沈阳,110159

9.东北大学材料各向异性与织构工程教育部重点实验室,辽宁沈阳,110004

关键词：酸洗板 , 氯离子 , 腐蚀 , 酰胺基脂肪酸 , 吸附

Cleaning Performance of an Amido Fatty Acid for Residual Chlorine Ions on Pickling Sheet Surface

Keywords： pickling sheet , chloride ion , corrosion , amido fatty acid , adsorption

酸洗钢板表面氯离子残余会降低其耐蚀性.通过湿热试验和分析化学研究了一种酰胺基脂肪酸(NEUF585)的质量浓度和温度对酸洗板表面氯离子的清洗效率的影响.实验表明,清洗效率随NEUF585的增加而增大,随温度的升高而增加.通过动电位极化曲线研究讨论了NEUF585在酸洗板表面的吸附行为.在3.5％ NaCl溶液中,实验数据与Langmuir等温方程拟合结果相关系数接近于1,说明吸附过程为物理吸附.

Residual chlorine ions on pickling sheet surface can decrease the corrosion resistance of the pickling sheet.Influences of mass concentration and temperature of an amido fatty acid (NEUF585) on cleaning performance for the residual chlorine ions on the pickling sheet were studied by damp-heat corrosion test and volumetric analysis.Results indicated that the cleaning efficiency increased with the increasing of NEUF585 and temperature.Adsorption behavior of the NEUF585 on the pickling sheet surface was deeply discussed through researching electrode potential polarization curves.In 3.5 ％ NaCl solution,the fitting result correlation coefficient of the experimental data and Langmuir adsorption isotherm equation was close to 1,which indicated that the adsorption process was physical adsorption.

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