基于 2,6-二甲基苯酚含硫衍生物的新型多官能团润滑油添加剂

IF 0.8 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY Doklady Chemistry Pub Date : 2023-12-25 DOI:10.1134/S0012500823600761

E. G. Bordubanova, E. Yu. Oganesova, A. S. Lyadov, O. P. Parenago

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摘要

摘要 2,6-二甲基苯酚的新型二烷基二硫衍生物已被合成并表征出来。首次研究了这些化合物作为润滑油添加剂在边界摩擦条件下的摩擦和磨损过程中、作为碳氢化合物高温氧化抑制剂以及作为金属表面保护剂的多功能特性。研究发现，即使润滑油中合成添加剂的浓度为 0.5 wt %，其抗磨损性能也能提高一倍以上。研究表明，添加剂在氧化过程的各个阶段都表现出复杂的抗氧化效果和高效率，即使在超低浓度（0.005 wt %）下，其抗氧化能力也超过了广泛使用的类似添加剂。这种新型添加剂对现代润滑油科学具有重大意义，可用于机油配方和其他润滑油。

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New Polyfunctional Lubricating Oil Additive Based on a Sulfur-Containing Derivative of 2,6-Dimethylphenol

New dialkyldithio derivatives of 2,6-dimethylphenol have been synthesized and characterized. The multifunctional properties have been studied for the first time for these compounds as additives to lubricating oils in friction and wear processes under boundary friction conditions, as inhibitors of high-temperature oxidation of hydrocarbons, and as protectors of metal surfaces. It was determined that even a 0.5 wt % concentration of the synthesized additives in lubricating oils contain more than doubles anti-wear properties. It was shown that the additives exhibit a complex antioxidant effect and high efficiency at all stages of the oxidation process, and even at ultralow concentrations (0.005 wt %), their ability to resist oxidation exceeds widely used analogues. The new additives are of significant interest to modern lubricant science and can be used in motor oil formulations and other lubricants.

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来源期刊

Doklady Chemistry 化学-化学综合

CiteScore

1.20

自引率

12.50%

发文量

审稿时长

6-12 weeks

期刊介绍： Doklady Chemistry is a journal that publishes new research in chemistry and chemical engineering of great significance. Initially the journal was a forum of the Russian Academy of Science and published only best contributions from Russia in the form of short articles. Now the journal welcomes submissions from any country in the English or Russian language. Every manuscript must be recommended by Russian or foreign members of the Russian Academy of Sciences.