Synthesis and Anti-corrosion Properties of Succinic Acid Alkyl Half-amide Derivatives 


Vol. 17,  No. 4, pp. 314-324, Dec.  2011


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  Abstract

Several amide derivatives have been used as additives for base oil of metal working fluids and pressure working oils. In this paper, a series of succinic acid alkyl half-amide derivatives were synthesized as over 97% yields by ring-opening reaction of succinic anhydride and several amines and were soluble in 100 N base oil within 1 wt% concentration. The structures of the synthesized amides were confirmed by 1H-NMR, FT-IR spectrum and GC analysis. Anti-corrosion properties of the amides in sea water were evaluated through ASTM D665 method and weight loss method. As the results of anti-corrosion properties, the properties of the amides with shorter alkyl chain and high concentration showed better performance than those with longer alkyl chain and low concentration. Also, the dialkyl amides showed better anti-corrosion properties than those of the monoalkyl amides. Inhibition efficiency% (IE%) was over 93% in the concentration of 40 ppm and corrosion rate (CR) was below 0.5mm/year in the same concentration.

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  Cite this article

[IEEE Style]

B. SY, K. YW, C. KW, Y. SH, K. NK, "Synthesis and Anti-corrosion Properties of Succinic Acid Alkyl Half-amide Derivatives," Clean Technology, vol. 17, no. 4, pp. 314-324, 2011. DOI: .

[ACM Style]

Baek SY, Kim YW, Chung KW, Yoo SH, and Kim NK. 2011. Synthesis and Anti-corrosion Properties of Succinic Acid Alkyl Half-amide Derivatives. Clean Technology, 17, 4, (2011), 314-324. DOI: .

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