Facile Synthesis of Stearoyl Diethanolamide and its Excellent Corrosion-Inhibiting Properties for Carbon Steel Protection

Tian Li Han; Ting Jiang; Dong Fang Shan; Jin Yun Liu

doi:10.4028/www.scientific.net/AMR.645.73

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Facile Synthesis of Stearoyl Diethanolamide and its Excellent Corrosion-Inhibiting Properties for Carbon Steel Protection
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 645Facile Synthesis of Stearoyl Diethanolamide and...

Facile Synthesis of Stearoyl Diethanolamide and its Excellent Corrosion-Inhibiting Properties for Carbon Steel Protection

Abstract:

A facile approach for prepar ing stearoyl diethanolamide was reported. The as-synthesized product was further applied for the protection of car bon steel from corrosion solution. On the basis of orthogonal experiments, optimal reaction conditions were investigated. The results show that the yield rate can be up to 84.6% under a condition of molar ratio of stear ic acid to ethylenediamine is 1:1.7, the reaction time and temperature are 4 h a nd 175 °C, respectively. The optimal concentration and potential corrosion-inhibiting mechanism were al so investigated by using scanning electronic microscopy, weight loss and electrochemical analysis. The presented synthesis route is facile which enable it to be promisingly applied for production widely. Furthermore, the excellent corrosion-inhibiting properties of st earoyl diethanolamide also indicate that it can be a fascinating candidate for protecting steels from corrosion in oil exploration and transportation.