Extreme-pressure anti-wear lubricating agent

An extreme pressure anti-wear and lubricant technology, applied in lubricating compositions, petroleum industry, etc., can solve problems such as high high temperature friction coefficient, enhanced high temperature lubricating performance, low maximum extreme pressure value, etc., and achieve good lubricating effect

Inactive Publication Date: 2015-03-25
NANHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Chinese invention patent 200910053842.2 discloses an environment-friendly high-temperature lubricant for metal thermoplastic processing. Its raw materials are 20-70% of alkali metal salt, 5-50% of phosphate, 0.5-30% boric acid, 0.01-2% bactericide, and then add 1-20 times the weight of water to process it. Although this environmental-friendly high-temperature lubricant for metal thermoplastic processing has a good lubricating effect, but with the development of science and technology , the speed of the equipment is getting higher and

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0024] As an embodiment of the present invention, an extreme pressure anti-wear lubricant, the weight ratio of its components is: component A: 0.1-3%, component B: 8-35%, component C: 2% ~6%, group D: 0.5~5%, component E: 0.5~4%; component F: 0.5~4%, component G: 0.8~4%, component H: 0.2~1%, balance for water;

[0025] The component A is one or a mixture of sodium carboxymethylcellulose and xanthan gum;

[0026] The component B is one or a mixture of talcum powder and bentonite;

[0027] The component C is sodium silicate;

[0028] The component D is a mixture of sodium fluoroborate, borax decahydrate, calcium metaborate or two / three;

[0029] Described component E is the one in zinc stearate, lithium stearate;

[0030] The component F is one of nano fullerenes and alkaline sulfonates;

[0031] The component G is sodium polyacrylate;

[0032] The component H is an aqueous defoamer.

[0033] As a preferred embodiment, the weight percentage distrib...

Embodiment 1

[0049] At normal temperature and pressure, add components A to H into water according to the weight ratio of the following components, and then stir for 1 hour to obtain the extreme pressure anti-wear lubricant of Example 1. In this example, The resulting EP antiwear lubricant is a white cream.

[0050] The weight proportion of each component is:

[0051]Component A: 0.1%, Component B: 8%, Component C: 2%, Component D: 0.5%, Component E: 4%; Component F: 4%, Component G: 4%, Component H: 1%, the balance is water;

[0052] Component A is sodium carboxymethylcellulose;

[0053] Component B is bentonite;

[0054] Component C is sodium silicate;

[0055] Component D is calcium metaborate;

[0056] Component E is lithium stearate;

[0057] Component F is alkaline sulfonate;

[0058] Component G is sodium polyacrylate;

[0059] Component H is an aqueous defoamer.

[0060] Thereafter, the obtained extreme pressure and antiwear lubricant was divided into t...

Embodiment 2

[0063] Embodiment 2 is compared with embodiment 1, only the weight ratio of each component changes, and other contents are identical, and the weight ratio of each component of embodiment 2 is as follows:

[0064] Component A: 3%, Component B: 35%, Component C: 6%, Component D: 5%, Component E: 0.5%; Component F: 0.5%, Component G: 0.8%, Component H: 0.2%, the balance is water;

[0065] The component A is sodium carboxymethylcellulose;

[0066] Component B is bentonite;

[0067] Component C is sodium silicate;

[0068] Component D is calcium metaborate;

[0069] Component E is lithium stearate;

[0070] Component F is alkaline sulfonate;

[0071] Component G is sodium polyacrylate;

[0072] Component H is an aqueous defoamer.

[0073] Thereafter, the obtained extreme pressure and antiwear lubricant was divided into two parts, one part was used to test the high temperature friction coefficient, and the other part was used to test the extreme pressure value ...

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Abstract

The invention provides an extreme-pressure anti-wear lubricating agent, and relates to the technical field of high-temperature lubricating agents. The extreme-pressure anti-wear lubricating agent comprises components in weight ratio as follows: 0.1%-3% of a component A, 8%-35% of a component B, 2%-6% of a component C, 0.5%-5% of a component D, 0.5%-4% of a component E, 0.5%-4% of a component F, 0.8%-4% of a component G, 0.2%-1% of a component H and the balance of water, wherein the component A is one of or a mixture of sodium carboxymethylcellulose and xanthan gum; the component B is one of or a mixture of talc powder and bentonite; the component C adopts sodium silicate; the component D adopts one of or a mixture of two or three of sodium fluoborate, borax decahydrate and calcium metaborate; the component E adopts one of zinc stearate and lithium stearate; the component F adopts one of nano fullerene and alkaline sulfonate; the component G adopts sodium polyacrylate; and the component H adopts a water-based defoaming agent. The high-temperature friction coefficient value is very low, the lubricating property is excellent, and the lubricating requirement of current equipment under the high-temperature and high-load conditions can be well met.

Description

technical field [0001] The invention relates to the technical field of industrial lubricants, in particular to an extreme pressure anti-wear lubricant. Background technique [0002] With the development of modern machinery and equipment in the direction of high speed, high load, high temperature, etc., the lubrication conditions of the equipment have become more and more harsh; It will generate extremely high heat, the film formed by traditional lubricants will be destroyed, and it will no longer protect the metal surface, and the contact surface will be scratched or even sintered. At this time, a high temperature resistant and extreme pressure resistant lubricant is required. Lubricant to improve the wear resistance of various parts. [0003] Chinese invention patent 200910053842.2 discloses an environment-friendly high-temperature lubricant for metal thermoplastic processing. 1 to 20 times the weight of water, although the environment-friendly high-temperature lubricant ...

Claims

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Application Information

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IPC IPC(8): C10M173/02C10M169/06C10N30/06C10N30/08C10N40/24
Inventor 王延飞
Owner NANHUA UNIV
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