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Lubricating oil

A technology for lubricating oil and base oil, applied in the field of lubricating oil, can solve problems such as reducing the performance of lubricating oil, and achieve the effect of improving fuel economy, excellent fuel economy and MRV viscosity

Inactive Publication Date: 2015-09-23
WUXI LEHUA AUTOMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the lubricating oil composition prepared by the above method only improves the storage stability, but reduces the performance of the lubricating oil in other aspects, such as lubricity

Method used

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  • Lubricating oil

Examples

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Effect test

Embodiment 1

[0022]Lubricating oil, including the following substances in parts by weight: 0.01-0.5 parts of paraffin, 0.0-1.0 parts of molybdenum dialkyldithiophosphate, 0.1-1 part of polyurethane, 0.02-1.25 parts of modified polyurea, low molecular weight polyethylene 3-5 parts of wax, 1-50 parts of thionyl octyl zinc salt, 20-67 parts of petroleum ether, 1-20 parts of absolute ethanol, 3-15 parts of xylene, 3-56 parts of dichloromethane, benzyl alcohol 1-20 parts, 3-12 parts of n-pentane.

[0023] The production method of this lubricating oil comprises the following steps:

[0024] 1) Heat the mixture of base oil and petroleum ether to 50°C, then add paraffin wax and oxymolybdenum dithiophosphate into petroleum ether, stir well to form mixture I;

[0025] 2) Add terpolymer, modified polyurea, low molecular weight polyethylene wax, thionyl octyl zinc salt, dehydrated alcohol, xylene, methylene chloride, benzyl alcohol and n-pentane to mixture I successively, add Stir continuously durin...

Embodiment 2

[0029] Lubricating oil, including the following parts by weight: 0.3 parts of paraffin, 0.7 parts of oxymolybdenum dialkyldithiophosphate, 0.5 parts of polyurethane, 1.0 parts of modified polyurea, 4 parts of low molecular weight polyethylene wax, and thiophosphatine 25 parts of base zinc salt, 50 parts of petroleum ether, 10 parts of absolute ethanol, 5 parts of xylene, 10 parts of dichloromethane, 10 parts of benzyl alcohol, and 10 parts of n-pentane.

[0030] The production method of this lubricating oil comprises the following steps:

[0031] 1) Heat the mixture of base oil and petroleum ether to 60°C, then add paraffin and molybdenum dialkyl dithiophosphate into petroleum ether, stir well to form mixture I;

[0032] 2) Add terpolymer, modified polyurea, low molecular weight polyethylene wax, thionyl octyl zinc salt, absolute ethanol, xylene, methylene chloride, benzyl alcohol and n-pentane to mixture I in sequence, add Stir continuously during the process to form mixture...

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Abstract

The invention discloses lubricating oil comprising the following substances, by weight: 0.01-0.5 parts of paraffin wax, 0.0-1.0 parts of oxymolybdenum dialkydithiophosphate, 0.1 parts of a terpolymer, 0.02-1.25 parts of modified polyurea, 3-5 parts of low-molecular-weight polyethylene wax, 1-50 parts of zinc butyloctyl dithiophosphate, 20-67 parts of petroleum ether, 1-20 parts of anhydrous ethanol, 3-15 parts of xylene, 3-56 parts of dichloromethane, 1-20 parts of benzyl alcohol, 3-12 parts of n-pentane, and 40-80 parts of base oil. When the lubricating oil provided by the invention is applied under a relatively high temperature, the lubricating oil has high viscosity index and good viscosity-temperature characteristics. The lubricating oil has an excellent oil-consumption-saving characteristic. With the lubricating oil, high-temperature high-shear viscosity under a temperature of 150 DEG C can be maintained while the oil-consumption-saving performance can be improved. Especially, the 100 DEG C HTHS viscosity of the lubricating oil can be reduced, and the MRV viscosity under a temperature of -40 DEG C can be improved. According to the invention, an outstanding beneficial effect can be obtained.

Description

technical field [0001] The invention belongs to the technical field of water treatment, in particular to a lubricating oil. Background technique [0002] Mechanical lubricating oil refers to the oily liquid applied to the surface of moving parts such as machine bearings or certain parts of the human body. It has the functions of reducing friction, avoiding heat, preventing machine wear and medical purposes. It is generally the product of fractionated petroleum, but also extracted from animal and vegetable oils. Also known as "grease". Non-volatile oily lubricant. According to its source, it can be divided into three categories: moving oil, vegetable oil, petroleum lubricating oil and synthetic lubricating oil. The amount of petroleum lubricating oil accounts for more than 97% of the total amount, so lubricating oil often refers to petroleum lubricating oil. It is mainly used to reduce the friction between the surfaces of moving parts, and at the same time, it has the fu...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N30/06C10N30/08C10N30/02
Inventor 钱国东
Owner WUXI LEHUA AUTOMATION TECH
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