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Lubricating paint

A coating, polyphenylene sulfide resin technology, applied in the directions of lubricating compositions, coatings, additives, etc., can solve the problem of poor resistance to hydraulic pressure and lubricating oil medium, poor construction technology of coating film thickness, difficult control of coating film thickness, etc. problem, to achieve the effect of strong adhesion, excellent corrosion resistance, and excellent chemical resistance

Inactive Publication Date: 2006-01-25
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The anti-stick and wear-resistant coatings described in Chinese patent ZL98126804.8 have long life and low coefficient of friction, but the coating has low load-bearing capacity, poor resistance to hydraulic and lubricating oil media, and poor high temperature resistance.
Its coating cannot be widely used in harsh working conditions such as high load, high speed, high temperature, hydraulic pressure and lubricating oil medium, and the coating film thickness construction process is poor, and the coating film thickness is difficult to control
Oil-resistant, high-temperature-resistant, wear-resistant lubricating coatings with excellent comprehensive properties that cannot widely meet the needs of the civil market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] 100g polyphenylene sulfide resin

[0051] Teflon 26g

[0052] Melamine cyanurate complex 1.4g

[0053] Antimony trioxide 4.0g

[0054] Lanthanum fluoride 1.1 g

[0055] 110g distilled water

[0056] Ethanol 148g

[0057] Weigh the above materials, mix polyphenylene sulfide resin, melamine cyanurate complex, antimony trioxide, rare earth fluoride, and distilled water, grind to an average particle size of 3.0 μm ± 0.5 μm, and then PTFE is dispersed in ethanol, and finally the two are mixed evenly to form a coating. Use a spray gun to spray on the surface of steel parts that have been dewatered, degreased, decontaminated, and derusted under 0.15-0.30MPa nitrogen, and then cured at high temperature in stages. At room temperature (domestic Xuanwu No. 3 high-temperature friction and wear testing machine, coating film thickness 20μm, specific load 32MPa, speed 0.43m / s), dry friction wear life is 31000m, friction coefficient is 0.04-0.05; 5w / 30CD Under oil medium lubrica...

Embodiment 2

[0059] 100g polyphenylene sulfide resin

[0060] PTFE 38g

[0061] Melamine cyanurate complex 2.4g

[0062] Antimony trioxide 4.9g

[0063] Cerium fluoride 0.9 g

[0064] Lanthanum fluoride 1.1 g

[0065] 116 grams of distilled water

[0066] Ethanol 152g

[0067] Weigh the above materials, mix polyphenylene sulfide resin, melamine cyanurate complex, antimony trioxide, rare earth fluoride, and distilled water, grind to an average particle size of 3.0 μm ± 0.5 μm, and then PTFE is dispersed in ethanol, and finally the two are mixed evenly to form a coating.

[0068] Use a spray gun to spray on the surface of steel parts that have been dewatered, degreased, decontaminated, and derusted under 0.15-0.30MPa nitrogen, and then cured at high temperature in stages. At room temperature (RFT-III reciprocating friction and wear testing machine made in Japan, coating film thickness 20μm, specific load 4MPa, speed 0.34m / s), dry friction wear life is 16200m, friction coefficient is 0...

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Abstract

The invention discloses a machine oil resistant, high temperature resistant, and grinding resistant lubricating coating material. It is made up of binding agent, solid lubricant, mix solvent, and assistant agent. The binding agent adopts poly-phenylene thioether resin; solid lubricant adopts polytetrafluoroethylene, mix solvent is the mixture of distilled water and ethanol; assistant agent adopts cyanuric ammonia and cyanuric acid ester complex, antimony trioxide, and rare earth fluoride. It has the advantages of super high bearing capacity, good adaptability to hydraulic pressure and lubricant medium, high temperature resistant, long useful life, etc.

Description

technical field [0001] The invention describes an oil-resistant, high-temperature-resistant, wear-resistant lubricating coating and a preparation method thereof. Background technique [0002] Due to the high load, high speed, dry friction and long-term immersion in oil medium, the temperature rise of the surface of the components is relatively high due to the dry friction of the machinery, chemical industry, metallurgy and other industries, as well as the high-load cylinder piston and sliding parts under the action of hydraulic and lubricating oil media. If the temperature is too high, the parts will be sintered and strained, so that the parts will fail, so that the working life of the equipment will be shortened, the energy consumption of the equipment will increase, and the economic cost will be too high. If a layer of environmentally friendly medium-resistant, high-temperature-resistant, and wear-resistant lubricating paint is applied to the friction parts, it will not on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D181/02C09D5/00C10M161/00C10N30/06
Inventor 罗状子张招柱刘维民王文静王坤姜崴田军
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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