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盐酸介质中双子表面活性剂对N80钢的吸附缓蚀性能

DOI: 10.11903/1002.6495.2013.247, PP. 30-34

Keywords: 双子表面活性剂,缓蚀剂,电化学方法,N80钢,Langmuir吸附

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Abstract:

采用静态失重法、电化学方法和扫描电镜等方法,研究了一种双子表面活性剂(DBA2-12)对N80钢在盐酸介质中的吸附缓蚀性能。结果表明,DBA2-12对N80钢在1mol/L的盐酸溶液中具有较好的缓蚀性能。随着缓蚀剂浓度的增加,缓蚀率增大;随着实验温度升高,缓蚀率减小。该缓蚀剂在N80钢表面的吸附遵循Langmuir吸附等温式,是一种混合抑制型缓蚀剂。

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