利用表面张力仪测定了氟碳表面活性剂FY-F501在(20±0.1)℃水溶液中的表面张力,结果表明,其临界胶团浓度为9×10-6 mol/L.在(20±0.1)℃,使用静态失重法研究了氟碳表面活性剂在浓度为100 mg/L的二氧化氯溶液中对铝合金的缓蚀效果.结果表明,在临界胶团浓度附近时缓蚀效果最佳,最大缓蚀效率可达94.5％.采用电化学和扫描电子显微镜进一步研究了该种表面活性剂的缓蚀机理.对静态失重法所得数据进行线性拟合,表明该种表面活性剂在铝合金表面形成了单分子吸附层,抑制了铝合金的腐蚀活化反应过程,其吸附符合Langmuir吸附模型.
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