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Automobile sway bar ball joint lubricating grease composition and preparation method

A grease composition and a technology for the composition, applied in the field of grease, can solve problems such as poor lubrication and poor performance, and achieve the effects of excellent anti-wear performance, good high and low performance, and excellent water and rust resistance.

Inactive Publication Date: 2018-01-12
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to propose a grease composition for automobile anti-roll ball joints and a preparation method thereof, aiming at problems such as poor performance and poor lubrication of the above-mentioned automotive anti-roll ball joint grease, which has outstanding Water resistance, oxidation resistance, shear stability, wear resistance durability, high and low temperature performance and compatibility of grease and plastics, etc.

Method used

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  • Automobile sway bar ball joint lubricating grease composition and preparation method
  • Automobile sway bar ball joint lubricating grease composition and preparation method
  • Automobile sway bar ball joint lubricating grease composition and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: each component comprises by the total weight of composition:

[0026] (1) Thickener: 6.75%;

[0027] (2) Antioxidant: 1.0%;

[0028] (3) Rust inhibitor: 0.06%;

[0029] (4) Solid lubricant: 11.5%;

[0030] (5) Base oil: 80.69%.

[0031] 108 grams of 12-hydroxystearic acid, 27 grams of hydrogenated castor oil and 322.8 grams of polyalphaolefin base oil (the freezing point is -30 ° C, and the viscosity at 100 ° C is 101mm 2 / s) into the reaction kettle, heated to 80-85 ° C, and added 13.04 grams of lithium hydroxide monohydrate and 2.61 grams of calcium hydroxide aqueous solution configuration. Heat up to 90-105°C to start timing saponification. After saponification, heat up and add 645.5 grams of base oil to 125-145°C until the highest refining temperature is 200-220°C, then cool with 322.8 grams of base oil in the reactor After cooling, when the temperature is controlled at 160-190°C, add 32.3 grams of dimethyl glutarate and the remaining 290.5 grams ...

Embodiment 2

[0032] Embodiment 2: each component comprises by the total weight of composition:

[0033] (1) Thickener 9%;

[0034] (2) Antioxidant 1.5%;

[0035] (3) 0.08% rust inhibitor;

[0036] (4) Solid lubricant 18.0%;

[0037] (5) Base oil: 74.42%.

[0038] 144 grams of 12-hydroxystearic acid, 36 grams of hydrogenated castor oil and 297.7 grams of polyalphaolefin base oil (the freezing point is -30 ° C, the viscosity at 100 ° C is 101mm 2 / s) into the reaction kettle, heated to 80-85 ° C, and added 17.38 grams of lithium hydroxide monohydrate and 3.48 grams of calcium hydroxide aqueous solution configuration. Heat up to 90-105°C to start timing saponification. After saponification, heat up and add 595.4 grams of base oil to 125-145°C until the highest refining temperature is 200-220°C. Cool with 297.7 grams of base oil in the reactor After cooling, when the temperature is controlled at 160-190°C, add 29.8 grams of dimethyl glutarate and the remaining 267.9 grams of base oil. Whe...

Embodiment 3

[0039] Embodiment 3: each component comprises by the total weight of composition:

[0040] (1) Thickener: 4.5%;

[0041] (2) Antioxidant: 0.5%;

[0042] (3) Rust inhibitor: 0.03%;

[0043] (4) Solid lubricant: 8.0%;

[0044] (5) Base oil: 86.97%.

[0045] 72 grams of 12-hydroxystearic acid, 18 grams of hydrogenated castor oil and 348 grams of polyalphaolefin base oil (the freezing point is -30 ° C, and the viscosity at 100 ° C is 101mm 2 / s) into the reaction kettle, heated to 80-85 ° C, and added 8.69 grams of lithium hydroxide monohydrate and 1.74 grams of calcium hydroxide aqueous solution configuration. Heat up to 90-105°C to start timing saponification. After saponification, heat up and add 696 grams of base oil to 125-145°C until the highest refining temperature is 200-220°C, then cool with 348 grams of base oil in the reactor After cooling, when the temperature is controlled at 160-190°C, add 34.0 grams of dimethyl glutarate and the remaining 313 grams of base oil....

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Abstract

The invention provides an automobile sway bar ball joint lubricating grease composition and a preparation method. The composition for automobile sway bar ball joint lubricating grease comprises the following components in percent by weight: 4.5-9% of a thickening agent, 0.5-1.5% of an antioxidant, 0.03-0.08% of an antirust agent, 8-15% of a solid lubricant and the balance of base oil. The automobile sway bar ball joint lubricating grease composition is scientific and reasonable in formula; the preparation technology is simple; the provided lubricating grease not only has the advantages of outstanding water resistance and good oxidation resistance, good antirust performance, wear resistance, antifriction performance, shearing stability and the like, but also meets a lubricating using requirement of an automobile sway bar; the using temperature range of the lubricating grease is -40 DEG C to 150 DEG C; the problems of poor lubrication caused by poor using performance of the automobile sway bar ball joint lubricating grease and the like are solved.

Description

technical field [0001] The invention belongs to the technical field of lubricating grease, in particular to an automobile anti-roll bar ball joint lubricating grease composition and a preparation method. Background technique [0002] The most important function of the anti-roll bar is to achieve the balance of handling and limit the body roll when cornering to improve the flatness of the tires. When cornering, the suspension of the inner wheel is stretched and the suspension of the outer wheel is compressed, and the anti-roll bar will produce torsion restraint. Most of the front suspensions from small cars to heavy trucks are equipped with anti-roll bars, the purpose of which is to reduce the roll of the vehicle when turning and improve the ride comfort. [0003] The anti-roll bar ball joint is an important part of the anti-roll system of the car. It is composed of a metal ball stud, a plastic ball seat and a ball stud seat. There is a dust cover outside to ensure the dustp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/00C10N30/06C10N30/12
Inventor 刘坤康军张广辽李文杰吴宝杰
Owner CHINA PETROLEUM & CHEM CORP
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