Lubricating oil additive composition

A lubricating oil additive and composition technology, applied in the direction of lubricating compositions, additives, petroleum industry, etc., can solve the problem of reducing the anti-oxidation performance of amine antioxidants, improve thermal stability and oxidation resistance, and improve cleaning Sex, solve the effect of not being able to withstand high temperature

Pending Publication Date: 2020-06-16
玛可索(苏州)石化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the hydrogen atoms on the nitrogen atoms in these structural formulas are all substituted, from secondary amines to tertiary amines, which reduces the antioxidant performance of amine antioxidants

Method used

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  • Lubricating oil additive composition
  • Lubricating oil additive composition
  • Lubricating oil additive composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A lubricating oil additive composition, the components and content of the additive composition are formulated according to the following mass percentages: A: 30% multifunctional antioxidant, B: 5.5% alkenyl succinic acid half ester is selected as the antirust agent, C : Metal deactivator chooses 3% benzotriazole derivatives, D: chooses calcium sulfonate 5.5% as detergent, E: chooses polyisobutylene succinimide 4.5% as dispersant, F: chooses phosphorothioate as antiwear agent 51.5%.

Embodiment 2

[0030] A lubricating oil additive composition, the components and content of the additive composition are prepared according to the following mass percentages: A: 40% of multifunctional antioxidant, B: 3.8% of alkenyl succinic half ester for rust inhibitor, C : 2.5% benzotriazole derivatives are selected as metal deactivator, D: 4.5% calcium sulfonate is selected as detergent, 4.2% polyisobutylene succinimide is selected as dispersant, F: phosphorothioate is selected as antiwear agent 45%.

Embodiment 3

[0032] A lubricating oil additive composition, the components and content of the additive composition are formulated according to the following mass percentages: A: 50% of multifunctional antioxidant, B: 3.5% of alkenyl succinic acid half ester is selected as antirust agent, C : Metal deactivator chooses benzotriazole derivative 2%, D: Detergent chooses calcium sulfonate 4%, E: Dispersant chooses polyisobutylene succinimide 3.5%, F: Antiwear agent chooses phosphorothioate 37%.

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Abstract

The invention discloses a lubricating oil additive composition. The additive composition is prepared from the following components in percentage by mass: A, 20%-65% of a multifunctional antioxidant; B, 2.0%-6.5% of an antirust agent; C, 1.2%-3.5% of a metal deactivator; D, 2.0%-6.0% of a clearing agent; E, 1.0%-6.5% of a dispersing agent; and F, 25%-70% of an anti-wear agent, wherein the molecularstructural formula of the multifunctional antioxidant simultaneously contains multifunctional antioxidants of phenol, amine and sulfur, has double effects of a main antioxidant and an auxiliary antioxidant are realized, can generate intramolecular synergy, can be compounded with other antioxidants to generate a blending synergistic effect, so that the problems that phenolic antioxidants are not resistant to high temperature and amine antioxidants are easy to generate sediments can be solved, the thermal stability and the oxidation resistance of lubricating oil are improved, the generation ofsediments is reduced, the cleanness of the lubricating oil is improved, and the service life of the lubricating oil is prolonged.

Description

Technical field: [0001] The invention belongs to the technical field of additive compositions for steam turbine oil, air compressor oil, high-temperature chain oil and engine oil, and in particular relates to a lubricating oil additive composition. Background technique: [0002] Oxidation at high temperature is an important cause of lubricating oil quality deterioration, increased consumption and shortened service life. Due to the increasingly harsh environment in which lubricating oils are used, the requirements for the high-temperature oxidation resistance of lubricating oils are also getting higher and higher. When traditional lubricating oil is used in steam turbine oil, air compressor oil and high temperature chain oil, it is easy to oxidize to form sludge, carbon deposit and coking. As turbocharged engines are more and more widely used, the operating temperature of engine oil is also greatly increased, and the use of traditional lubricating oil can easily lead to mech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M141/10C10N40/25C10N30/10C10N30/08C10N30/04C10N10/04
CPCC10M141/10C10M2207/288C10M2215/086C10M2215/223C10M2215/28C10M2219/044C10M2219/09C10M2223/047
Inventor 徐晓丽
Owner 玛可索(苏州)石化有限公司
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