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Extreme-pressure additive special for industrial gear oil

A technology for extreme pressure additives and industrial gear oils, 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 scheme, and achieve the manufacturing method Simple, scientific preparation scheme, and the effect of prolonging the service life

Inactive Publication Date: 2012-05-09
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 gear oil anti-extreme pressure effect 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 extreme pressure additive specially used for industrial gear oil, consisting of base oil; molybdenum salt of phosphate ester; ashless dialkyl dithiocarbamate; metal sulfonate; benzotriazole; dithiophosphate; Polyalkoxypolyphenol; polyisobutylene; long-chain ester; polyacrylate; olefin copolymer; polyalkylmethacrylate; copper oxide powder; titanium powder composition. The base oil is a mixture of two components of 150BS and M14, and the weight ratio of the two components is 1:1. Copper oxide powder and titanium powder are nanoscale powders with an average fineness of 25-35nm. The weight percent of each component is: base oil 26%; molybdenum salt of phosphate ester 42%; ashless dialkyl dithiocarbamate 3%; metal sulfonate 3%; benzotriazole 3%; Phosphorodithioate 4%; polyalkoxypolyphenol 3%; polyisobutylene 2%; long chain ester 3%; polyacrylate 3%; olefin copolymer 1%; polyalkylmethacrylate 3%; Copper oxide powder 3%; titanium powder 1%. The above-mentioned base oil; ...

Embodiment 2

[0020] An extreme pressure additive specially used for industrial gear oil, consisting of base oil; molybdenum salt of phosphate ester; ashless dialkyl dithiocarbamate; metal sulfonate; benzotriazole; dithiophosphate; Polyalkoxypolyphenol; polyisobutylene; long-chain ester; polyacrylate; olefin copolymer; polyalkylmethacrylate; copper oxide powder; titanium powder composition. The base oil is a mixture of two components of 500SN and minus four lines, and the weight ratio of the two components is 1:1. Copper oxide powder and titanium powder are nano-scale powders with an average fineness of 25-35nm. The weight percent of each component is: base oil 14%; molybdenum salt of phosphate ester 44%; ashless dialkyl dithiocarbamate 5%; metal sulfonate 4%; benzotriazole 3%; Phosphorodithioate 5%; polyalkoxypolyphenol 4%; polyisobutylene 3%; long chain ester 4%; polyacrylate 4%; olefin copolymer 4%; polyalkylmethacrylate 4%; Copper oxide powder 4%; titanium powder 2%. The above-mentio...

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Abstract

The invention provides an extreme-pressure additive special for an industrial gear oil. The extreme-pressure additive special for the industrial gear oil is characterized by comprising an base oil, molybdate of phosphate, ash-free dialkyl dithiocarbamate, metal sulphonate, benzotriazole, dithiophosphate, polyalkoxy polyphenol, polyisobutene, long-chain ester, polyacrylate, olefin copolymer, polyalkyl methacrylate, copper oxide powder and titanium powder; and the components comprise 42-44% of molybdate of phosphate, 3-5% of ash-free dialkyl dithiocarbamate, 3-4% of metal sulphonate, 3-4% of benzotriazole, 4-5% of dithiophosphate, 3-4% of polyalkoxy polyphenol, 2-3% of polyisobutene, 3-4% of long-chain ester, 3-4% of polyacrylate, 1-2% of olefin copolymer, 3-4% of polyalkyl methacrylate, 3-4% of copper oxide powder, 1-2% of titanium powder and the balance of base oil. The extreme-pressure additive special for the industrial gear oil, provided by the invention, has the advantages of simple manufacturing method, economic efficiency, practicability and scientific preparation scheme. The made product is suitable for various industrial gear oils and capable of enhancing the extreme pressure resistance of the gear oil by more than two times. Moreover, various effects of the gear oil can be enhanced while the extreme pressure resistance of the gear oil is enhanced. Various effects of the gear oil can be all higher than the requirements of the national standard. And the life cycle of the gear oil can be prolonged.

Description

(1) Technical field [0001] The invention relates to a gear oil additive, in particular to a preparation scheme and a preparation method specially used for industrial gear oil extreme pressure additives. (two) background technology: [0002] Most industrial equipment needs to be driven by gears. Such as: crushers, cranes, mobile equipment, grinders, mixers, gearboxes, speed increasers, reducers, etc. They are combined through various connecting materials and gears. Therefore, the requirements for gears are ever-changing, so there are many types and types of gears, such as: spur gears, helical gears, arc gears, bevel gears, worm gears and so on. Because of the above factors, the gear oil must also be changed. However, the current anti-extreme pressure effect of gear oil is not ideal, some preparation schemes have not been carefully analyzed, and the comprehensive performance is poor. The use of base oil, the use of chemical elements, the timing and temperature control of p...

Claims

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Application Information

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