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The effect of some benzothiazole derivatives as antioxidants for base stock

Author:

Nessim, M. I., Ahmed, M. H. M., Ali A. M., Bassoussi, Salem, A. A. and Attia, S. K.

Subject Area:

Physical Sciences and Engineering

Abstract:

The oxidation stability of base stocks in the presence of some synthesized Benzothiazoles derivatives, 2-(benzothiazol-2-ylthio)-N-butylacetamide (Ia), 2-(benzo-thiazol-2-ylthio)-N-octyl-acetamide (Ib) and 2-(benzothiazol-2-ylthio)-N-dodecylaceta-mide(Ic), as oxidation inhibitors has been studied. The structures of these prepared compounds are elucidated by the common tools of analysis, Elemental analysis, I.R. and 1H-NMR spectroscopy. The oxidation reaction of these compounds with one of the base stocks that used in the formulation of the local lubricating oil was investigated, using the change in Total Acid Number (TAN), Viscosity, and Infra-Red (IR) spectroscopy. The data obtained, reveals that these prepared compounds gave good results. The efficiency order is shown as follows Ib and Ic > Ia.

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