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Composite extreme pressure anti-wear agent and total-synthesis anti-wear hydraulic oil containing same

A technology of extreme pressure anti-wear agent and anti-wear hydraulic oil, which is applied in the direction of additives, petroleum industry, lubricating composition, etc., can solve the problems of limiting the application range of non-petroleum hydraulic oil, and achieve the maximum non-jamming load and anti-wear The effect of performance improvement, wear reduction, and good extreme pressure performance

Active Publication Date: 2012-11-14
SHANDONG YUANGEN PETROLEUM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among the above-mentioned requirements, the most difficult thing for people to solve is the problem of anti-wear and anti-friction. The anti-wear and anti-friction agents currently used are mainly complexes of castor oil soap and oleic acid triethanolamine and ricinoleic acid soap boric acid complexes. However, they The maximum four-ball PB value of 68Kgf force can only be provided, which limits the application range of non-petroleum hydraulic oil to a certain extent

Method used

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  • Composite extreme pressure anti-wear agent and total-synthesis anti-wear hydraulic oil containing same
  • Composite extreme pressure anti-wear agent and total-synthesis anti-wear hydraulic oil containing same
  • Composite extreme pressure anti-wear agent and total-synthesis anti-wear hydraulic oil containing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Structural formula ( ) represents the preparation of A ionic liquid:

[0049] A) Pump the metered ricinoleic acid and 1-(2-hydroxy)ethyl-3 methylimidazolium tetrafluorophosphate (pumping molar ratio 1.05 to 1) into the reaction kettle, add anhydrous DMF (dimethyl base formamide) as the reaction medium (the volume of ricinoleic acid is 3 to 1), stirring and mixing evenly;

[0050] B) Pump in the catalyst alkyl pyridyl tetrafluoroborate (the molar ratio of ricinoleic acid to ricinoleic acid is 1 to 20), stir and mix evenly, and heat with heat transfer oil, the reaction temperature is controlled at 120°C, and water is removed with a water separator 6 hours of reaction;

[0051]C) After the reaction, the reaction solvent DMF was distilled off under reduced pressure to obtain 1-(ethyl ricinoleate)-3-methylimidazolium tetrafluoroborate ionic liquid.

[0052] Structural formula ( ) represents the preparation of the B ionic liquid:

[0053] A) Pump dodecyl imidazole and ...

Embodiment 2

[0060] Fully synthetic anti-wear hydraulic oil formula:

[0061] Water base oil 60.3Kg

[0062] Viscosity modifier (ethylene oxide-propylene oxide copolymer) 19.5 Kg

[0063] PH value adjuster (triethanolamine) 5Kg

[0064] Composite extreme pressure antiwear agent 9.6Kg

[0065] Friction reducer 3.5 Kg

[0066] Rust inhibitor 2Kg

[0067] Fungicide 0.1 Kg

[0068] Water-based silicon-containing defoamer 0.05 Kg

[0069] The water-based base oil is an aqueous solution of dimethyl sulfoxide, and the mass percentage of dimethyl sulfoxide is 40%;

[0070] The composite extreme pressure antiwear agent is prepared by the method described in Example 1;

[0071] Described antifriction agent is the mixture of ricinoleic acid soap and tributyl phosphate, and the mass ratio of ricinoleic acid soap and tributyl phosphate is 19:1;

[0072] The antirust agent is a mixture of boric acid and benzotriazole, and the mass ratio of boric acid and benzotriazole is 9:1;

[0073] The fungi...

Embodiment 3

[0080] Fully synthetic anti-wear hydraulic oil formula:

[0081] Water base oil 60.9Kg

[0082] Viscosity modifier (polyethyleneimine) 20Kg

[0083] PH value regulator (triethanolamine) 5.5Kg

[0084] Composite extreme pressure antiwear agent 8Kg

[0085] Friction reducer 3.5 Kg

[0086] Rust inhibitor 2 Kg

[0087] Bactericide (dodecyldimethylbenzyl ammonium chloride) 0.1 Kg

[0088] Polyether polyol defoamer 0.005 Kg

[0089] The water-based base oil is an aqueous solution of dimethyl sulfoxide, and the mass percentage of dimethyl sulfoxide is 40%;

[0090] The composite extreme pressure antiwear agent is prepared by the method described in Example 1;

[0091] The friction reducer is a mixture of sodium ricinoleate and potassium dimer acid, and the mass ratio of sodium ricinoleate to potassium dimer acid is 9:1;

[0092] The antirust agent is a mixture of boric acid and octanoic acid, and the mass ratio of boric acid to octanoic acid is 9:1.

[0093] The preparation...

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Abstract

The invention discloses a composite extreme pressure anti-wear agent and total-synthesis anti-wear hydraulic oil containing the composite extreme pressure anti-wear agent, belonging to the field of production of lubricating oil. The hydraulic oil is mainly prepared by mixing aqueous base oil and the composite extreme pressure anti-wear agent, wherein the composite extreme pressure anti-wear agent is a compound of two kinds of imidazolyl tetrafluoroborate ion liquid. Compared with the prior art, the total-synthesis anti-wear hydraulic oil has the characteristics of excellent lubricating performance, energy saving, environment friendliness and the like and has high popularization and application values.

Description

technical field [0001] The invention relates to the field of lubricating oil production, in particular to a composite extreme pressure antiwear agent and fully synthetic antiwear hydraulic oil containing the composite extreme pressure antiwear agent. Background technique [0002] In the field of hydraulic oil production, due to many deficiencies in the performance and source of mineral oil base oils, non-petroleum hydraulic oils have been more widely and deeply used. The non-petroleum hydraulic oils in the prior art mainly add various additives to water or other base fluids (including emulsions or synthetic fluids, such as high-water base fluids, water-glycol fluids, phosphate ester fluids, etc.), so that They are more suitable for use in traditional hydraulic systems. [0003] When the hydraulic system is working, the hydraulic system pushes the medium in the system forward with a certain pressure through the hydraulic pump, and controls the flow direction and flow of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M141/10C10M161/00C10N40/08C10N30/06
Inventor 何茂伟袁俊洲王士平闫雪梅秦胜利袁帅
Owner SHANDONG YUANGEN PETROLEUM CHEM
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