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High temperature anti-sticking lubricating coating, and preparation method and application thereof

An anti-sticking and coating technology, applied in the direction of coating, etc., can solve the problems of limited material performance, poor impact resistance, unresolved adhesion, etc., achieve good synergistic effect, improve high temperature resistance, excellent high temperature anti-sticking lubrication performance Effect

Inactive Publication Date: 2016-01-06
XIAMEN MOSUO NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Chinese patent (98123517.4) discloses a kind of using phosphate as binder, adopting graphite, cerium fluoride chromium trioxide metal cadmium and / or lead as solid lubricant to prepare a kind of high temperature anti-sticking lubricating coating, which can effectively Solve the anti-sticking problem of the metal surface of the fastener used under the condition of room temperature to 600 ℃ and the lubrication problem of the metal sliding part, but it has not yet solved its poor adhesion, impact resistance and lubrication protection at higher temperature (> 600 ℃) question
Chinese patent (99115029.5) adopts a new type of coating prepared by blending organic resin and inorganic phosphate film former, which improves the mechanical properties of the coating such as adhesion, flexibility, impact resistance, etc., but at the same time, it also limits the material's ability to withstand high temperatures (> 450℃) performance

Method used

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  • High temperature anti-sticking lubricating coating, and preparation method and application thereof
  • High temperature anti-sticking lubricating coating, and preparation method and application thereof
  • High temperature anti-sticking lubricating coating, and preparation method and application thereof

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Embodiment 1

[0025] The coating of embodiment 1 is made up of following raw material: 8 gram organosilicon modified inorganic chromium aluminum phosphate resins, 40 gram organic solvents, 1.4 gram tungsten disulfide powder, 13 gram layered graphite powder, 1.2 gram PbO powder, 10 gram silver powder and 1 gram of hexagonal BN powder. Among them, the organosilicon resin content in the organosilicon-modified inorganic chromium aluminum phosphate is 5%, the original particle size of the layered graphite powder and the tungsten disulfide powder is 1 μm, the original particle size of the silver powder is 0.5 μm, and the volume ratio of the organic solvent is 80%. N,N-Dimethylformamide mixed with 20% ethanol.

[0026] Its preparation method is: the WS 2 PbO powder, layered graphite powder, PbO powder, silver powder and hexagonal BN powder are added to the ball mill tank, and a wet amount of organic solvent is added to mix and ball milled for 36 hours. The rest of the organic solvent.

Embodiment 2

[0028] The coating of embodiment 2 is made up of following raw materials: 10 grams of organosilicon-modified inorganic chromium-aluminum phosphate resins, 30 grams of organic solvents, 2 grams of tungsten disulfide powder, 10 grams of layered graphite powder, 1.7 grams of Sb 2 o 3 powder, 20 grams of silver powder and 3 grams of hexagonal BN powder. Among them, the organosilicon resin content in the organosilicon-modified inorganic chromium aluminum phosphate is 10%, the original particle size of layered graphite powder and tungsten disulfide powder is 5 μm, the original particle size of silver powder is 3 μm, and the organic solvent is composed of 90% N by volume , N-dimethylformamide and 10% methanol mixed.

[0029] Its preparation method is: the WS 2 powder, layered graphite powder, Sb 2 o 3 Powder, silver powder and hexagonal BN powder are added to the ball milling tank, and a wetting amount of organic solvent is added to mix and then ball milled for 48 hours.

Embodiment 3

[0031] The coating of embodiment 3 is made up of following raw material: 12 gram organosilicon modified inorganic chromium aluminum phosphate resins, 20 gram organic solvents, 3 gram tungsten disulfide powders, 15 gram layered graphite powders, 1.5 gram PbO powders, 15 gram silver powders and 3 grams of hexagonal BN powder. Among them, the organosilicon resin content in the organosilicon-modified inorganic chromium aluminum phosphate is 20%, the original particle size of layered graphite powder and tungsten disulfide powder is 10 μm, the original particle size of silver powder is 5 μm, and the organic solvent is composed of 90% N by volume , N-dimethylformamide mixed with 10% ethanol.

[0032] Its preparation method is: the WS 2 PbO powder, layered graphite powder, PbO powder, silver powder and hexagonal BN powder are added to the ball mill tank, and a wet amount of organic solvent is added to mix and ball milled for 60 hours. The rest of the organic solvent.

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Abstract

The present invention discloses a high temperature anti-sticking lubricating coating. The coating comprises the raw materials of organosilicon-modified inorganic phosphate resin, tungsten disulfide powder, lamellar graphite, metal oxide powder, metal oxide powder and hexagonal boron nitride powder and organic solvent. preparation method and application method is simple, strong coating adhesion formation, has good heat resistance, oil resistance, impact resistance and anti-radiation performance, and can provide excellent high-temperature release at room temperature to 1000 DEG C in lubricating properties, especially for engine turbochargers and exhaust pipes, in addition, it can also be used in aircraft engines and nuclear power plants and other equipment in high temperature and radiation conditions of release lubricating treatment.

Description

technical field [0001] The invention relates to coatings, in particular to a high-temperature anti-sticking lubricating coating, its preparation method and its application on engine turbochargers and exhaust pipes. Background technique [0002] Engine turbocharging uses the engine's exhaust emissions to drive a compressor. The earliest superchargers were all mechanical superchargers. They were called superchargers when they were first invented. Later, after the invention of turbocharging, in order to distinguish the two, turbochargers were called TurboSuperchargers, and superchargers were called superchargers. For Mechanical Supercharger. Although it is easy to increase power output by turbocharging, it will generate extremely high temperature along with supercharging, which puts forward higher requirements for anti-sticking and lubrication of related components. [0003] At present, the high-temperature resistant and anti-sticking lubricants commonly used in the market ar...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D7/12
Inventor 张朝晖
Owner XIAMEN MOSUO NEW MATERIAL TECH CO LTD
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