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Synthesized engine lubricating oil with high-temperature and evaporation prevention performance and preparation method of synthesized engine lubricating oil

A technology for lubricating oil and high temperature resistance, applied in the field of synthetic engine lubricating oil and its preparation, can solve the problems of high pour point of lubricating oil, increase environmental pollution, economic loss, etc., achieve stable physical and chemical properties, reduce use costs, and reduce pollution Effect

Active Publication Date: 2015-11-18
LIAONING XINSIDUN OIL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To achieve a better fuel combustion effect will inevitably increase the operating temperature of the engine, especially in an engine equipped with a turbocharger. However, ordinary engine lubricating oils on the market are prone to evaporation and loss at high temperatures, and frequent inspections are required. And add, so it will cause unnecessary waste and increase the pollution to the environment
If the lack of lubricating oil is not found in time, it may cause engine damage, resulting in greater economic losses
In addition, the lubricating oil sold on the market has a relatively high pour point, and the lubricating effect on the engine is poor when starting a cold car or starting in some cold regions, which accelerates the wear of engine parts
Some lubricating oil products will break the oil film at high engine speed, which will not protect the engine and shorten its service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] In this embodiment, the synthetic engine lubricating oil with high temperature evaporation resistance is composed of the following components by weight:

[0043] Group III base oil 100N (Ssangyong, Korea): 418kg;

[0044] Group III base oil 150N (Ssangyong, South Korea): 247kg;

[0045] Group III base oil 250N (Ssangyong, South Korea): 95kg;

[0046] Lubricating oil compound additive (Infineum): 155kg;

[0047] Isoprene styrene star copolymer: 80kg;

[0048] Polymethacrylate: 3kg;

[0049] Defoamer: 0.01kg;

[0050] Its preparation process is:

[0051] 1) Add 418kg of Group III base oil 100N, 247kg of Group III base oil 150N, and 95kg of Group III base oil 250N into the reaction kettle, stir and heat up to 60°C, and keep it warm for 0.5 hours under stirring;

[0052] 2) Add 155kg of lubricating oil compound additives, stir and heat up to 80°C, and keep warm for 0.5 hours under stirring;

[0053] 3) Add 80 kg of isoprene styrene star copolymer, 3 kg of polymethacr...

Embodiment 2

[0062] In this embodiment, the synthetic engine lubricating oil with high temperature evaporation resistance is composed of the following components by weight:

[0063] Group III base oil 100N (Ssangyong, Korea): 173.25kg;

[0064] Group III base oil 150N (Ssangyong, Korea): 96.25kg;

[0065] Group III base oil 250N (Ssangyong, South Korea): 38.5kg;

[0066] Lubricating oil compound additive (Infineum): 60kg;

[0067] Isoprene styrene star copolymer: 30.8kg;

[0068] Polymethacrylate: 1.2kg;

[0069] Defoamer: 0.004kg;

[0070] Its preparation process is:

[0071] 1) Add 173.25kg of Group III base oil 100N, 96.25kg of Group III base oil 150N, and 38.5kg of Group III base oil 250N into the reaction kettle, stir and heat up to 60°C, and keep it warm for 1 hour under stirring;

[0072] 2) Add 60kg of lubricating oil compound additives, stir and heat up to 80°C, and keep warm for 1 hour under stirring;

[0073] 3) Add 30.8 kg of isoprene styrene star copolymer, 1.2 kg of po...

Embodiment 3

[0082] In this embodiment, the synthetic engine lubricating oil with high temperature evaporation resistance is composed of the following components by weight:

[0083] Group III base oil 100N (Ssangyong Korea): 44.85kg;

[0084] Group III base oil 150N (Ssangyong, South Korea): 23.4kg;

[0085] Group III base oil 250N (Ssangyong, Korea): 9.75kg;

[0086] Lubricating oil compound additive (Infineum): 14kg;

[0087] Isoprene styrene star copolymer: 7.7kg;

[0088] Polymethacrylate: 0.3kg;

[0089] Defoamer: 0.001kg;

[0090] Its preparation process is:

[0091] 1) Add 44.85kg of Group III base oil 100N, 23.4kg of Group III base oil 150N, and 9.75kg of Group III base oil 250N into the reaction kettle, stir and raise the temperature to 60°C, and keep it warm for 1 hour under stirring;

[0092] 2) Add 14kg of lubricating oil compound additives, stir and heat up to 80°C, and keep warm for 0.5 hours under stirring;

[0093] 3) Add 7.7 kg of isoprene styrene star copolymer, 0....

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Abstract

The invention relates to synthesized engine lubricating oil with high temperature and evaporation prevention performance and a preparation method of the synthesized engine lubricating oil. The lubricating oil is composed of, by weight, 75-78 parts of class III base oil, 13-16 parts of lubricating oil composite additives, 7.5-8.5 parts of star-shaped isoprene-styrene copolymers, 0.3 part of polymethacrylate and 0.001 part of deforming agent. The synthesized engine lubricating oil can resist high temperature and evaporation, and has excellent comprehensive performance of a lower pour point, ultra-strong cold start and a high flash point. The low-temperature lubricating property of the lubricating oil can be ensured. It can be ensured that oil films do not crack when the revolution number of an engine is large. The synthesized engine lubricating oil is stable in physicochemical property and is totally-synthesized multi-stage engine oil high in adaptability, easy to store and high in cost-performance ratio; meanwhile, the invention provides the preparation method of the lubricating oil, and the preparation method has the advantages of being simple in process and convenient to operate.

Description

technical field [0001] The invention relates to the technical field of engine lubricating oil, in particular to a synthetic engine lubricating oil with low pour point and high-temperature evaporation resistance and a preparation method thereof. Background technique [0002] With the continuous development of science and technology, people's requirements for the technical performance of motor vehicles are also constantly improving, especially for the performance of engines. To achieve a better fuel combustion effect will inevitably increase the operating temperature of the engine, especially in an engine equipped with a turbocharger. However, ordinary engine lubricating oils on the market are prone to evaporation and loss at high temperatures, and frequent inspections are required. And add, therefore will cause unnecessary waste and increase the pollution to the environment. If the lack of lubricating oil is not found in time, it may cause engine damage, resulting in greater...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N40/25C10N30/02
Inventor 蔡博蔡晓明李岩树徐芳
Owner LIAONING XINSIDUN OIL
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