A composition of organic hetero compounds as an antioxidant and antiwear additive for mineral lubricating oils

被引：0
|
作者：
A. V. Zolotov
G. N. Kuz’mina
V. A. Zolotov
R. V. Bartko
A. G. Sipatrov
O. P. Parenago
机构：
[1] Russian Academy of Sciences,Topchiev Institute of Petrochemical Synthesis
[2] Ministry of Defense of the Russian Federation,State Research Institute No. 25: Chemmotology
来源：
Petroleum Chemistry | 2013年 / 53卷
关键词：
additives; antioxidants; organic hetero compounds; amines; tribological parameters;
D O I：
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中图分类号：
学科分类号：
摘要：
As a multifunctional additive exhibiting antioxidant and antiwear activity for mineral lubricating oil, a composition of ammonium dialkyldithiophosphate (ADTP) with tetraalkyl thiuram disulfide (TDS) has been proposed, which provides lower sulfated ash, phosphorus, and sulfur contents compared with the traditional additive zinc dialkyldithiophosphate used for the same functions. Ammonium dialkyldithiophosphates bearing various alkyl radicals have been synthesized using structurally different amines. The antioxidant efficiency of ADTP samples has been shown by monitoring the formation and degradation of hydroperoxides in a hexadecane medium as a model of mineral oil. The tribological parameters of these compounds have been determined under boundary lubrication conditions.
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页码：262 / 266
页数：4
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