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Heat stabilizer composition of high-pressure hydrogenated cycloalkyl lubricating oil, preparation method thereof, and application thereof

A technology of naphthenic lubricating oil and high-pressure hydrogenation, which is applied in lubricating compositions, additives, petroleum industry, etc., can solve the problems of poor thermal stability of base oil, achieve the effect of preventing oxidation reaction and enhancing the effect

Active Publication Date: 2013-12-04
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] One of the objectives of the present invention is to provide a high-pressure hydrogenated naphthenic lubricating oil heat stabilizer composition in order to solve the technical problem of poor thermal stability of the above-mentioned high-pressure hydrogenated naphthenic lubricating oil base oil

Method used

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  • Heat stabilizer composition of high-pressure hydrogenated cycloalkyl lubricating oil, preparation method thereof, and application thereof
  • Heat stabilizer composition of high-pressure hydrogenated cycloalkyl lubricating oil, preparation method thereof, and application thereof
  • Heat stabilizer composition of high-pressure hydrogenated cycloalkyl lubricating oil, preparation method thereof, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A high-pressure hydrogenated naphthenic lubricating oil heat stabilizer composition, a mixture of antioxidant 2,5-di-tert-butylhydroquinone and antioxidant 1010 and a chelating agent three [2,4-di tert-butylphenyl] phenyl phosphite composition;

[0039] Calculated by mass percentage, wherein the total content of the mixture of antioxidant 2,5-di-tertbutylhydroquinone and antioxidant 1010 in a high-pressure hydrogenated naphthenic oil heat stabilizer composition is 80%, and in the mixture of the antioxidant 2,5-di-tert-butyl hydroquinone and the antioxidant 1010, calculated by mass ratio, that is, the antioxidant 2,5-di-tert-butyl hydroquinone Hydroquinone: Antioxidant 1010 is 2:1;

[0040] The content of the tris[2,4-di-tert-butylphenyl]phenylphosphite chelating agent in a high-pressure hydrogenated naphthenic oil heat stabilizer composition is 20%.

[0041] The preparation method of above-mentioned a kind of high-pressure hydrogenation cycloalkyl lubricating oil heat...

Embodiment 2

[0044] A high-pressure hydrogenated naphthenic lubricating oil heat stabilizer composition, a mixture of antioxidant 2,5-di-tert-butylhydroquinone and antioxidant 1010 and a chelating agent three [2,4-di tert-butylphenyl] phenyl phosphite composition;

[0045] Calculated by mass percentage, wherein the total content of the mixture of antioxidant 2,5-di-tertbutylhydroquinone and antioxidant 1010 in a high-pressure hydrogenated naphthenic oil heat stabilizer composition is 80%, and in the mixture of the antioxidant 2,5-di-tert-butyl hydroquinone and the antioxidant 1010, calculated by mass ratio, that is, the antioxidant 2,5-di-tert-butyl hydroquinone Hydroquinone: Antioxidant 1010 is 3:1;

[0046] The content of the tris[2,4-di-tert-butylphenyl]phenylphosphite chelating agent in a high-pressure hydrogenated naphthenic oil heat stabilizer composition is 20%.

[0047]The preparation method of above-mentioned a kind of high-pressure hydrogenation cycloalkyl lubricating oil heat ...

Embodiment 3

[0050] A high-pressure hydrogenated naphthenic lubricating oil heat stabilizer composition, a mixture of antioxidant 2,5-di-tert-butylhydroquinone and antioxidant 1010 and a chelating agent three [2,4-di tert-butylphenyl] phenyl phosphite composition;

[0051] Calculated by mass percentage, wherein the total content of the mixture of antioxidant 2,5-di-tertbutylhydroquinone and antioxidant 1010 in a high-pressure hydrogenated naphthenic oil heat stabilizer composition is 90%, and in the mixture of the antioxidant 2,5-di-tert-butyl hydroquinone and the antioxidant 1010, calculated by mass ratio, that is, the antioxidant 2,5-di-tert-butyl hydroquinone Hydroquinone: Antioxidant 1010 is 2:1;

[0052] The content of the tris[2,4-di-tert-butylphenyl]phenylphosphite chelating agent in a high-pressure hydrogenated cycloalkyl lubricating oil thermal stabilizer composition is 10%.

[0053] The preparation method of above-mentioned a kind of high-pressure hydrogenation cycloalkyl l...

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Abstract

The invention discloses a heat stabilizer composition of high-pressure hydrogenated cycloalkyl lubricating oil, a preparation method thereof, and an application thereof. The heat stabilizer composition of high-pressure hydrogenated cycloalkyl lubricating oil by mass percentage is composed of 80-90% of a mixture of an antioxidant 2,5-di-tert-butylhydroquinone and an antioxidant tetra [beta-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate]pentaerythrite, and 10-20% of a chelating agent of tri[2,4-di-tert-butylphenyl]phosphite benzene ester. The preparation method of the composition comprises mixing all above ingredients at the temperature of 40-90 DEG C, and stirring the mixture to make the mixture even, thereby obtaining the heat stabilizer composition of the high-pressure hydrogenated cycloalkyl lubricating oil. Adding the heat stabilizer composition of high-pressure hydrogenated cycloalkyl lubricating oil provided in the invention into base oil of the high-pressure hydrogenated cycloalkyl lubricating oil at a ratio of 0.5%-1%, can obviously improve the heat stability of the high-pressure hydrogenated cycloalkyl lubricating oil.

Description

technical field [0001] The invention relates to a heat stabilizer for high-pressure hydrogenated naphthenic lubricating oil, its preparation method and application in high-pressure hydrogenated naphthenic lubricating oil composition. Background technique [0002] High-pressure hydrotreated naphthenic base oils have incomparable advantages over traditional base oils, such as high saturated hydrocarbon content, high viscosity index, low volatility, low sulfur and nitrogen content, light color, etc. The most obvious disadvantage of hydronaphthenic lube base stocks is their poor thermal stability. Moreover, the poor thermal stability of high-pressure hydrogenated base oils is a common problem at home and abroad. It has been generally recognized that the main reason for the poor thermal stability of high-pressure hydrogenated naphthenic lubricating oil base oils is polycyclic aromatic hydrocarbons. [0003] For the problem of poor thermal stability of high-pressure hydrotreated ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M141/10C10M129/76C10N30/10
Inventor 韩生肖虎鹏何忠义熊丽萍郁平孙揭阳高峰朱贤吴锡惠
Owner SHANGHAI INST OF TECH
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