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Synthesis of an Overbased Magnesium-Containing Alkylsalycylate Additive

Possible ways of synthesizing low-ash magnesium-containing additives for motor oils by using magnesium oxide of various origins in the synthesis have been considered: carbonation of neutral magnesium alkylsalicylate with magnesium oxide to produce a magnesium–magnesium additive and carbonation of ne...

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Bibliographic Details
Published in:Petroleum chemistry 2019-02, Vol.59 (2), p.239-245
Main Authors: Kotov, S. V., Zerzeva, I. M., Guseva, I. A., Naumkin, P. V., Timofeeva, G. V., Baklan, N. S.
Format: Article
Language:English
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Summary:Possible ways of synthesizing low-ash magnesium-containing additives for motor oils by using magnesium oxide of various origins in the synthesis have been considered: carbonation of neutral magnesium alkylsalicylate with magnesium oxide to produce a magnesium–magnesium additive and carbonation of neutral magnesium alkylsalicylate with calcium hydroxide to form a magnesium–calcium additive. Samples were obtained with an alkalinity level of 307–317 mg KOH/g and a viscosity not exceeding 130 mm 2 /s, values that meet the requirements for alkylsalicylate additives.
ISSN:0965-5441
1555-6239
DOI:10.1134/S0965544119010092