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Compound extreme pressure lithium-based lubricating grease additive and preparation method thereof

A technology of base lubricating grease and lithium complex, which is applied in the direction of additives, lubricating compositions, petroleum industry, etc., can solve the problems of unsatisfactory performance of extreme pressure lithium complex lubricating grease products, complex production methods and processes, etc., to reduce production costs, The effect of excellent performance and advanced technology

Active Publication Date: 2014-11-12
XINXIANG HENGXING TECH CO LTD
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AI Technical Summary

Problems solved by technology

In such a production process, it is necessary to add a variety of additives step by step, usually three or more. Therefore, this production method is complicated and the performance of the extreme pressure lithium complex grease produced is not ideal.

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment

[0011] Weigh the raw materials (kg) according to the following proportions:

[0012] 1. BS oil 110, fluorine rubber 12, Siben 80 4, thiadiazole derivatives 7 and chlorobromoalkyl phosphate flame retardant 2;

[0013] 2. BS oil 100, fluorine rubber 15, Siben 80 3, thiadiazole derivatives 8 and chlorobromoalkyl phosphate flame retardant 1;

[0014] 3. High-viscosity synthetic oil 120, fluorine rubber 10, Siben 80 5, thiadiazole derivatives 5 and chlorobromoalkyl phosphate flame retardant 3;

[0015] 4. High-viscosity synthetic oil 105, fluorine rubber 14, Siben 80 3, thiadiazole derivatives 6 and chlorobromoalkyl phosphate flame retardant 2.

[0016] The production method is as follows:

[0017] Add the weighed BS oil or high-viscosity synthetic oil into the reaction kettle, add the weighed fluororubber when the temperature rises to 150°C, stir, continue to heat up to 250°C, keep the temperature until the fluororubber is completely dissolved, then cool down to 120°C, add Weig...

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Abstract

The invention discloses a compound extreme pressure lithium-based lubricating grease additive and a preparation method thereof. According to the technical scheme disclosed by the invention, the compound extreme pressure lithium-based lubricating grease additive comprises the following raw materials in parts by weight: 100-120 parts of BS oil or high-viscosity synthetic oil, 10-15 parts of fluorine rubber, 3-5 parts of Span-80, 5-8 parts of thiadiazole derivatives and 1-3 parts of chlorine brominated alkyl phosphate flame retardant. The invention also discloses a preparation method of the compound extreme pressure lithium-based lubricating grease additive. The preparation method has the advantages of reasonable raw material formulation and advanced process, the production cost can be reduced and the addition of a plurality of additives in steps in the production process of the compound extreme pressure lithium-based lubricating grease is avoided, the produced compound extreme pressure lithium-based lubricating grease is more excellent in high temperature resistance, water spray resistance, adhesion resistance, extreme pressure anti-wear performance, oxidation resistance and the like and thus the produced compound extreme pressure lithium-based lubricating grease is more excellent in market competiveness.

Description

technical field [0001] The invention belongs to the technical field of lubrication, and in particular relates to an extreme-pressure composite lithium-based lubricating grease additive and a preparation method thereof. Background technique [0002] At present, in the process of producing extreme-pressure composite lithium-based grease, various additives need to be added to the reaction kettle in sequence, and then the additives and other materials are stirred evenly under certain conditions to obtain extreme-pressure composite lithium-based grease. In such a production process, multiple additives need to be added step by step, usually three or more. Therefore, this production method is complex and the performance of the produced extreme pressure lithium composite grease is not ideal. Contents of the invention [0003] The technical problem solved by the present invention is to provide an extreme-pressure composite lithium-based grease additive prepared by preparing several...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M167/00C10N30/06C10N30/08C10N30/10C10N50/10
Inventor 张守鹏周忠太时红敏王利霞姚芳园
Owner XINXIANG HENGXING TECH CO LTD
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