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Compound titanium-based lubricant and preparation method thereof

A technology of compounding titanium and lubricating grease, applied in the direction of lubricating composition, petroleum industry, etc., can solve the problems of unstable bearing vibration speed, high industrial production cost, no indication of characteristics, etc., to improve the reaction rate and degree of reaction, reproduce High performance, good product quality and stability

Active Publication Date: 2015-02-11
苏州山河星程材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

What CN101307269A discloses is the low-noise lubricating grease prepared with composite titanium soap, it is characterized in that through suitable formula technology, the composite titanium base lubricating grease of preparation solves the phenomenon that existing lubricating grease makes the vibration speed of the bearing unstable and there is noise, but The process conditions it describes are very broad and do not show how its properties are controlled
The composite titanium base lubricating grease disclosed by CN101117605A has outstanding mechanical stability and extreme pressure and wear resistance, and its preparation method also adopts a two-step method, and the reaction time is longer
US5387351 discloses composite titanium-based grease and its preparation method. The preparation method described adopts a one-step reaction, but the reaction time is as long as 3-10 hours, and the industrial production cost is very high. The research on the above-mentioned composite titanium-based grease mainly focuses on In improving its performance through additives, the preparation method described uses a two-step method, and the reaction time is longer

Method used

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  • Compound titanium-based lubricant and preparation method thereof
  • Compound titanium-based lubricant and preparation method thereof
  • Compound titanium-based lubricant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Add 300g150BS oil, 45g trimethylolpropane ester, 10g isopropanol, 40g stearic acid, 11.7g terephthalic acid into the kettle, heat to 65°C, then slowly add 20g tetraisopropyl titanate, keep warm 30min, after the insulation is completed, slowly heat to make the temperature rise to 100°C (in this heating process, isopropanol is volatilized and removed), add 2g distilled water, keep stirring for 20min, then heat to 180°C at a rate of 1°C / min (this temperature rises) During the process, distilled water was volatilized and removed), kept stirring for 30min, then stopped heating, added 80g cold 150BS oil, waited for the temperature to drop to 90°C, added 16g hydrogenated styrene block copolymer and 6g liquid diphenylamine, and then passed through a three-roll mill. After grinding three times, the finished composite titanium-based grease is obtained, and its properties are shown in Table 1.

Embodiment 2

[0033] Add 295g 600SN oil, 40g pentaerythritol ester, 20g butyl acetate, 36g stearic acid, 4g dodecyl stearic acid, 9.7g salicylic acid into the kettle, heat to 80°C, slowly heat 20g tetraisopropyl titanate , heat preservation reaction for 20min, after the heat preservation is finished, slowly heat to make the temperature rise to 105 ℃ (during this heating process, butyl acetate is volatilized and removed), add 2g distilled water, keep stirring for 20min, then heat to 190 ℃ at the rate of 1.5 ℃ / min (During this heating process, distilled water was volatilized and removed), keep stirring for 30min, then stop heating, add 80g cold 600SN oil, wait for the temperature to drop to 90°C, add 10g ethylene-propylene copolymer and 5g liquid diphenylamine, then pass through a three-roll mill After grinding three times, the finished composite titanium-based grease is obtained, and its properties are shown in Table 1.

Embodiment 3

[0035] 360g 600SN oil, 80g pentaerythritol ester, 20g butyl acetate, 40g stearic acid, 9.7g salicylic acid were added to the kettle, heated to 75°C, 35g tetraisopropyl titanate was slowly added, and the reaction was incubated for 30min. , slowly heated to make the temperature rise to 105 ℃ (during this heating process, butyl acetate was volatilized and removed), added 5g distilled water, after thermal insulation and stirring for 30min, then heated to 190 ℃ at a rate of 1.5 ℃ / min (in this heating process, distilled water volatilization and removal), keep stirring for 30min, then stop heating, add 80g cold 600SN oil, wait for the temperature to drop to 90℃, add 15g polymethyl methacrylate, 4g liquid diphenylamine and 2.5g polymer liquid phenol, and then pass through three rolls The composite titanium-based lubricating grease was obtained by grinding three times by the grinding machine, and its properties are shown in Table 1.

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Abstract

The invention relates to a compound titanium-based lubricant and a preparation method thereof. The compound titanium-based lubricant comprises the following formula components in percentage by mass: 80-90% of base oil, 7-14% of compound titanium soap thickening agent, 2-4% of structure modifier, and 1-2% of antioxidant. According to the preparation method, and through the introduction of a solvent and the base oil, the reaction interface can be increased, the reaction speed and reaction degree can be improved, the preparation time can be greatly shortened, the thickening capability of a compound titanium soap can be improved, the production cost can be lowered, the one-step reaction system is simple to operate, the reproducibility is high, and the quality stability of products is good. The compound titanium-based lubricant is good excellent mechanical stability and oxidization stability, and especially good in water resistance property.

Description

technical field [0001] The invention relates to a lubricating grease and a preparation method thereof, in particular to a composite titanium-based lubricating grease and a preparation method thereof. Background technique [0002] Although transition metals are widely distributed in nature, and transition metal-organic compounds have been widely used, there are few studies on greases using fatty acid soaps prepared from transition metals as thickeners. In 1961, Markley prepared titanium stearate soap, but the dropping point was only 62 °C, so it was not used as a thickener for grease. It was not until the 1990s that researchers in India succeeded in developing a high-performance, multifunctional complex titanium-based grease. From the perspective of toxicity and safety, the research shows that the complex titanium-based grease is safe for producers and users, and the complex titanium-based grease prepared with vegetable oil has good biodegradability. From the point of view o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/00C10M177/00C10N30/10C10N50/10
Inventor 武文平刘虎顾明利
Owner 苏州山河星程材料科技有限公司
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