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Extreme-pressure resistant additive specialized for automobile gear oil

A technology of extreme pressure additives and automotive gears, which is applied in the direction of additives, petroleum industry, lubricating compositions, etc., can solve the problems of poor comprehensive performance, unsatisfactory anti-extreme pressure effect, and no detailed analysis of the preparation plan, so as to improve the anti-extreme pressure High pressure performance, scientific preparation scheme, and simple manufacturing method

Inactive Publication Date: 2013-01-23
TIANJIN GONGBO SCI TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current anti-extreme pressure effect of automotive gear oil is not ideal, some preparation schemes have not been carefully analyzed, and the overall performance is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] An anti-extreme pressure additive specially used for automotive gear oil, consisting of base oil; chlorinated paraffin, dialkyl dithiophosphate metal salt, sulfonic acid amine, toluoyl triazole derivatives, molybdenum carboxylate, polyalkoxy Polyamine, long-chain ammonium compound, polyalkylmethacrylate, polydimethylsiloxane, magnesium powder. The base oil is a combination of three components of 150BS, 32# and 68#, and the weight ratio of the three components is 1:1:1. Magnesium powder is a nanoscale powder with an average particle size of 25-35nm. The weight percent of each component is: base oil 30%; chlorinated paraffin 41%, dialkyl dithiophosphate metal salt 3%; sulfonic acid amine 3%, toluoyl triazole derivative 3%, molybdenum carboxylate 4%, polyalkoxypolyamine 2%, long-chain ammonium compound 2%, polyalkylmethacrylate 5%, polydimethylsiloxane 4%, magnesium powder 3%. The above-mentioned base oil, chlorinated paraffin, dialkyl dithiophosphate metal salt, sulfoni...

Embodiment 2

[0020] An anti-extreme pressure additive specially used for automotive gear oil, consisting of base oil; chlorinated paraffin, dialkyl dithiophosphate metal salt, sulfonic acid amine, toluoyl triazole derivatives, molybdenum carboxylate, polyalkoxy Polyamine, long-chain ammonium compound, polyalkylmethacrylate, polydimethylsiloxane, magnesium powder. The base oil is a mixture of three components of 500SN, M14 and 32#, and the weight ratio of the three components is 1:1:1. The magnesium powder is a nanoscale powder, and the average particle size of the powder is 25-35nm. The weight percent of each component is: base oil 15%; chlorinated paraffin 43%; dialkyl dithiophosphate metal salt 5%; sulfonic acid amine 5%; toluoyl triazole derivative 5%; molybdenum carboxylate 6%; polyalkoxypolyamine 4%; long-chain ammonium compound 3%; polyalkylmethacrylate 6%; polydimethylsiloxane 5%; magnesium powder 3%; the above base oil; Chlorinated paraffin, dialkyl dithiophosphate metal salt, ami...

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Abstract

The invention provides an extreme-pressure resistant additive specialized for automobile gear oil, wherein the extreme-pressure resistant additive comprises base oil, chlorinated paraffin, metal dialkyl dithiophosphate, sulfamic acid, toluyl triazole derivative, molybdenum carboxylate, polyalkoxylated polyamine, long-chain ammonium-based compound, polyalkyl methacrylate, polydimethyl siloxane and magnesium powder; the weight percentage of each component is as follows: 41-43% of the chlorinated paraffin, 3-5% of the metal dialkyl dithiophosphate, 3-5% of the sulfamic acid, 3-5% of the toluyl triazole derivative, 4-6% of the molybdenum carboxylate, 2-4% of the polyalkoxylated polyamine, 2-3% of the long-chain ammonium-based compound, 5-6% of the polyalkyl methacrylate, 4-5% of the polydimethyl siloxane, 3% of the magnesium powder and the balance of the base oil. The extreme-pressure resistant additive provided by the invention has a simple and scientific preparation process and is economical and practical. The prepared product is applicable to all kinds of automobile gear oil and capable of improving the extreme pressure resistance of the gear oil by more than two times, the various function of the gear oil are improved while the extreme pressure resistance of the gear oil is enhanced, so that various functions of the gear oil are higher than an international standard requirement, and the service life cycle of the gear oil is prolonged.

Description

(1) Technical field [0001] The invention relates to an anti-extreme pressure additive for automobile gear oil, in particular to a preparation scheme and a preparation method specially used for the anti-extreme pressure additive for automobile gear oil. (two) background technology: [0002] Automotive gear oil is less noticeable among automotive lubricants. It is a lubricant for automotive power systems other than the engine. It transmits power from the engine to the driving part. The transmission part includes one or more gearbox combinations. The main function of automotive lubricants is to provide protection for moving parts such as transmissions and shafts and their mating parts. These parts have gear systems: such as spur gears, worm gears, helical gears, double helical gears, bevel gears, etc.: bearing systems : shaft, bushing roller: sealing system is the output input power shaft and wheel. There is also the friction material of the synchronizer, so the above factors ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M161/00C10N40/04C10N30/06
Inventor 孙世桦
Owner TIANJIN GONGBO SCI TECH DEV
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