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A kind of self-healing lubricating grease and preparation method thereof

A lubricating grease and self-healing technology, applied in lubricating compositions, petroleum industry, additives, etc., can solve the problems of no self-repairing technology, complicated preparation process, expensive raw materials, etc., to extend the machine overhaul period, improve performance, The effect of improving the carrying capacity

Active Publication Date: 2022-04-08
SUZHOU CHIEN SHIUNG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, lubricating oil additives are often prepared on the basis of rare earth, graphene-based, ore and other nanoparticles. The raw materials are expensive and the preparation process is complicated. No self-healing technology based on redox reaction has been found yet.

Method used

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  • A kind of self-healing lubricating grease and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Step 1. Oxide Micropowder Grease A:

[0043] Crush and sieve the iron oxide powder, screen out 5.8 grams of components of 1-100 μm, mix with 0.1 g of copper oxide powder crushed into the same particle diameter of 1-100 μm, add 0.1 g of graphite nanoparticles crushed into 0.05-10 μm, and mix Additives into 6 grams of powder.

[0044] Mix 0.5 g of succinimide and 3.5 g of p-diisooctyl diphenylamine, add it to 16 g of HVIWH150 base oil, grind it on a high-energy grinder for 2-4 hours to make a grease-like dispersing additive, and cool it to room temperature.

[0045] Add 20 grams of oil-like dispersing additives to 51 grams of HVIWH150 base oil and stir thoroughly, then slowly add 6 grams of powder additives and mix evenly, mix at 40-60 ° C, and mechanically stir for 1.5 hours. Make 77 grams of oxidant micropowder grease A.

[0046] Step 2, metal powder grease B:

[0047]Metal silver and metal aluminum are pulverized, sieved to obtain components with a particle diameter...

Embodiment 2

[0054] Step 1. Oxide Micropowder Grease A:

[0055] Crush and sieve the iron oxide powder, screen out 10 grams of components of 1-100 μm, mix with 1 gram of copper oxide powder crushed into the same particle diameter of 1-100 μm, add 1 gram of graphite nanoparticles crushed into 0.05-10 μm, and mix into 12 grams of powdered additives.

[0056] Mix 5 grams of succinimide and 16 grams of p-diisooctyl diphenylamine, add it to 30 grams of HVIWH300 base oil, grind it on a high-energy grinder for 2-4 hours to make a grease-like dispersing additive, and cool it to room temperature.

[0057] Add 51 grams of oil-like dispersing additives to 60 grams of HVIWH300 base oil and stir thoroughly, then slowly add 12 grams of powder additives and mix evenly, mix and mechanically stir at 40-60°C for 1.5 hours. Make 123 grams of oxidizing agent micropowder grease A.

[0058] Step 2, metal powder grease B:

[0059] Metal silver and metal aluminum are pulverized, sieved to obtain components wit...

Embodiment 3

[0066] Step 1. Oxide Micropowder Grease A:

[0067] Crush and sieve the iron oxide powder, screen out 7 grams of components of 1-100 μm, mix with 0.5 grams of copper oxide powder crushed into the same particle diameter of 1-100 μm, add 0.5 grams of graphite nanoparticles crushed into 0.05-10 μm, and mix Additives into 8 grams of powder.

[0068] Mix 1 gram of succinimide and 5 grams of p-diisooctyl diphenylamine, add it to 16 grams of HVIWH150 base oil, and grind it on a high-energy grinder for 2-4 hours to make a grease-like dispersing additive, and cool it to room temperature.

[0069] Add 22 grams of oil-like dispersing additives to 70 grams of HVIWH150 base oil and stir thoroughly, then slowly add 8 grams of powder additives and mix evenly, mix at 40-60 ° C, and mechanically stir for 1.5 hours. Make 100 grams of oxidant micropowder grease A.

[0070] Step 2, metal powder grease B:

[0071] Metal silver and metal aluminum are pulverized, sieved to obtain components with ...

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Abstract

The invention provides a self-repairing lubricating grease and a preparation method thereof. The grease comprises the following components: iron oxide powder, copper oxide powder and graphite powder are mixed as oxide micropowder; metal zinc powder and carbon black micron particles are mixed as reducing Agent powder; metal aluminum powder, metal silver powder mixed as inducer powder; succinimide as dispersant; polyacrylamide as antioxidant; HVIWH150 as base oil. Compared with the prior art, in addition to the conventional lubricating effect of the grease of the present invention, the oxide fine powder and reducing agent fine powder will be oxidized by the inducer fine powder only when the gap between metal friction pairs increases to cause extreme pressure conditions. The reduction reaction produces zinc oxide and iron to fill the grooves and defects on the surface of the friction pair, thereby achieving the effect of self-healing.

Description

technical field [0001] The invention relates to a self-repairing lubricant, in particular to a preparation method of a self-repairing lubricating grease. Background technique [0002] Wear is one of the important factors that lead to mechanical damage. Reducing the energy consumption of lubricating oil internal friction, improving the economical efficiency of machinery, and reducing exhaust emissions are the development trends of lubricating oil in the future. Therefore, seeking a lubricating oil with excellent anti-wear properties and a certain self-repairing function on the friction surface is of great significance to the lubricating oil products in the industry. [0003] In the prior art, lubricating oil additives are often prepared on the basis of rare earth, graphene-based, ore and other nanoparticles. The raw materials are expensive and the preparation process is complicated. No self-healing technology based on redox reaction has been found yet. Contents of the inven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M125/00C10M169/04C10M177/00C10N30/06
CPCC10M125/00C10M169/04C10M169/044C10M177/00C10M2201/062C10M2201/041C10M2201/05C10M2215/086C10M2215/064C10M2215/28C10M2217/024C10M2219/068
Inventor 杨成德
Owner SUZHOU CHIEN SHIUNG INST OF TECH
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