Published March 2022, Pg. 49-53

Section: Oil refining and petroleum chemistry

UOT: 665.612.2-027.22

DOI: 10.37474/0365-8554/ 2022-03-49-53

Development of biostable lubricant composition of М-12ВБ motor oil for marine diesel engines

A.R. Yusifova - Institute for Chemistry of Additives

The paper is dedicated to the development of biostable lubricant composition of М-12ВБ motor oil on domestic raw, foreign additives, additive packages, as well as multi-function additives of AKI series obtained as a result of condensation of calcium salts with alkylphenol, formaldehyde with vari-ous amines. During development of up-to-date lubrication compositions the additives of polymethacry-late of Viscoplex-8-450; -4-550; 2-670; 1-810 seies of German Evonik have been used and the results of studies their mechanical and chemical destruction presented.

For the specification of biological stability of new lubrication compositions a-aril-b-nitroeten, a-furil-b-nitroeten and their hallogen derivatives have been used.

It was defined that adding biocides do not negatively effect the changes of antioxidizing, anticorrosion, antiwear, lubricating and other significant operation properties and characteristics of the oils.

Biostable composition of M-12BБ motor oil for marine and stationary diesels meeting all GOST requirements has been developed.

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