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Lubricating oil composition and use thereof

A lubricating oil composition, the technology of the composition, applied in the directions of lubricating compositions, petroleum industry, additives, etc., can solve the problems of weak ability to prevent copper discoloration, poor anticorrosion performance, etc., achieve good surface quality, prevent copper discoloration, good rolling lubricity

Inactive Publication Date: 2005-03-16
CHINA PETROCHEMICAL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the defects of poor anticorrosion performance and weak ability to prevent copper discoloration in the emulsified rolling oil used for rolling copper and its alloys in the prior art, and provides a combination of lubricating oil for rolling copper and its alloys It is used for the rolling of copper and its alloy plates, strips, pipes and rods. The composition has good rolling lubricity, cooling, anti-corrosion performance, and has the ability to prevent copper discoloration

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Trimethylolpropane coconut oil fatty acid ester 19.0kg, lauryl alcohol 2.0kg, oleic acid triethanolamine salt 4.0kg, oleic acid triethanolamine ester 2.0kg, Siben-80 2.0kg, benzotriazole 0.6kg , N, N-bis(benzotriazole methylene) laurylamine 1.0kg, n-butanol 0.6kg, add in the blending kettle, heat to 50 ℃, keep stirring at constant temperature for 30 minutes, after stirring evenly, add mineral oil (46mm 2 ·s -1 / 40℃) 65.9kg, tricresyl phosphate 2.0kg, 2,6-di-tert-butyl-p-cresol 0.5kg, T531 (phenyl α-naphthylamine) 0.3kg, T551 (benzotriazole-aldehyde-amine condensate ) 0.1kg into the blending kettle, heated to 55°C, kept warm and stirred for 40 minutes, checked the emulsified state of the composition after stirring evenly, and discharged after meeting the requirements.

Embodiment 2

[0032] Pentaerythritol oleate 15.0kg, oleic acid triethanolamine salt 4.0kg, oleic acid triethanolamine ester 2.0kg, coconut oil fatty acid diethanolamide 2.0kg, benzotriazole 0.6kg, benzotriazole fatty acid salt 1.0kg kg, 0.6kg of n-hexanol was added to the blending kettle, heated to 55°C, kept stirring for 25 minutes, and mixed with mineral oil (46mm 2 ·s-1 / 40℃) 70.9kg, di-isooctyl phosphate 3.0kg, 2,6-di-tert-butyl-p-cresol 0.5kg, T531 (phenyl α-naphthylamine) 0.3kg, T551 (benzotriazole-aldehyde-amine condensation Add 0.1kg of material) into the blending kettle, heat to 60°C, keep warm and stir for 40 minutes, and discharge the material after being evenly stirred.

Embodiment 3

[0034] 18.0kg of trimethylolpropane oleate, 2.0kg of mixed alcohol of lauryl alcohol and myristyl alcohol, 3.0kg of oleic acid triethanolamine salt, 4.0kg of fatty acid amide, 0.6kg of benzotriazole, benzotriazole Add 1.0kg of azole fatty acid salt and 0.4kg of n-butanol into the blending kettle, heat to 55°C, heat and stir for 30 minutes, mix mineral oil (46mm 2 ·s -1 / 40℃) 67.5kg, diisooctyl phosphate triethanolamine salt 3.0kg, 2,6-di-tert-butyl p-cresol 0.5kg, add to the blending kettle, heat to 55℃, keep stirring for 40 minutes, stir After uniformity, check the emulsification state of the composition, and discharge after meeting the requirements.

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PUM

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Abstract

The invention discloses a lubricating oil composition and use thereof, wherein the lubricating oil composition comprises 40-80 wt% of mineral oil, 10-50 wt% of oily agent, 4-10 wt% of emulsifying agent, 1-5 wt% of inhibitor, 2-5 wt% of antiwearing agent, 0.1-1.0 wt% of solubility promoter, 0.1-2.0 wt% of anti-oxidizing agent, and 0-0.5 wt% of metallic deactivator.

Description

technical field [0001] The invention belongs to the field of lubricant and its application, in particular to a lubricating oil composition for rolling copper and its alloy and its application. Background technique [0002] The rolling of copper and its alloys is usually carried out under two lubrication methods, one is full oil rolling, and full oil rolling generally uses light mineral oil to add a certain amount of additives such as oily agents, preservatives, and antioxidants. Lubricating and cooling medium, commonly used in the finish rolling of copper and its alloys; the other is emulsion rolling, in the process of semi-finished product rolling due to the large amount of deformation to generate large deformation heat, it is necessary to use emulsion as lubrication and The cooling medium takes away a large amount of heat, which is beneficial to the shape control. Since copper is a very active metal, it is easy to change color when exposed to water. Therefore, in addition...

Claims

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Application Information

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IPC IPC(8): C10M137/04
Inventor 张旭陈洋李秋芝吴晨洁陈小民
Owner CHINA PETROCHEMICAL CORP
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