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Composition for preparing self-lubricating wear-resistant material, self-lubricating wear-resistant paint, self-lubricating wear-resistant coating, and self-lubricating wear-resistant material

A technology of wear-resistant materials and wear-resistant coatings, applied in coatings, epoxy resin coatings, etc., can solve problems such as poor wear resistance, and achieve easy preparation, improved wear resistance and self-lubricating performance, excellent lubrication and light reduction The effect of friction

Inactive Publication Date: 2019-07-16
HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The solid lubricating coating improves the anti-loosening and anti-seizing properties of the nut, but still has the problem of poor wear resistance

Method used

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  • Composition for preparing self-lubricating wear-resistant material, self-lubricating wear-resistant paint, self-lubricating wear-resistant coating, and self-lubricating wear-resistant material
  • Composition for preparing self-lubricating wear-resistant material, self-lubricating wear-resistant paint, self-lubricating wear-resistant coating, and self-lubricating wear-resistant material
  • Composition for preparing self-lubricating wear-resistant material, self-lubricating wear-resistant paint, self-lubricating wear-resistant coating, and self-lubricating wear-resistant material

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Experimental program
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preparation example Construction

[0038] Preferably, the preparation method of the component A comprises the following steps:

[0039] Provide molybdenum disulfide dispersion mainly composed of molybdenum disulfide, dispersant BYK-204 and solvent, and graphene dispersion mainly composed of graphene, dispersant BYK-9076 and solvent;

[0040] The molybdenum disulfide dispersion liquid, the graphene dispersion liquid and the resin are uniformly dispersed to obtain the finished product.

[0041] Preferably, the uniform dispersion includes mixing the molybdenum disulfide dispersion, the graphene dispersion and the resin before grinding. Further preferably, the grinding speed is 1000-1400 r / m, and the grinding time is at least 2 hours. Further preferably, the mixed system is stirred before grinding.

[0042] Preferably, the resin is epoxy resin; the curing agent is selected from EP epoxy resin curing agents.

[0043] Preferably, the mass ratio of the resin in component A to the curing agent in component B is 1˜4:1....

Embodiment 1

[0052] The composition for preparing self-lubricating wear-resistant materials in this embodiment is composed of the following parts by weight: 29.373 parts of resin, 11.749 parts of molybdenum disulfide, 0.088 parts of graphene, 0.044 parts of dispersant, and 58.746 parts of solvent.

[0053] The resin used is bisphenol A epoxy resin E-20; the average particle size of molybdenum disulfide is 10 μm; the average particle size of graphene is 1 μm, and the average number of layers is 7 layers; the dispersant consists of dispersant BYK-204 and Composed of BYK-9076, the mass ratio of dispersant BYK-204 and BYK-9076 is 2:1; the solvent is a mixture of n-butanol and xylene, and the mass ratio is 2:3.

Embodiment 2

[0055] The composition for preparing self-lubricating and wear-resistant materials in this embodiment consists of the following components in parts by weight: 29.356 parts of resin, 11.742 parts of molybdenum disulfide, 0.147 parts of graphene, 0.044 parts of dispersant, and 58.711 parts of solvent.

[0056] The resin used is bisphenol A epoxy resin E-20; the average particle size of molybdenum disulfide is 18 μm; the average particle size of graphene is 2 μm, and the average number of layers is 6 layers; the dispersant consists of dispersant BYK-204 and Composed of BYK-9076, the mass ratio of dispersant BYK-204 and BYK-9076 is 2:1; the solvent is a mixture of n-butanol and xylene, and the mass ratio is 2:3.

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Abstract

The invention relates to a composition for preparing a self-lubricating wear-resistant material, a self-lubricating wear-resistant paint, a self-lubricating wear-resistant coating, and a self-lubricating wear-resistant material, and belongs to the technical field of self-lubricating materials. The composition for preparing the self-lubricating wear-resistant material is mainly composed of a resinand the following components in parts by weight: 11-12 parts of molybdenum disulfide, and 0.088-0.3 part of graphene. The composition uses molybdenum disulfide as a lubricant and graphene as a lubricating additive, the similarity of the two-dimensional layered structure of molybdenum disulfide and graphene is utilized, molybdenum disulfide and graphene are compounded according to a specific ratioto prepare the wear-resistant material, the synergistic lubricating effects of molybdenum disulfide and grapheme can be exerted, and thus the wear resistance and self-lubricating property of the wear-resistant material are significantly improved. Particularly the self-lubricating anti-friction wear-resistant coating prepared by using the composition has good lubrication and anti-friction property,wear resistance and environmental adaptability under dry friction and seawater conditions.

Description

technical field [0001] The invention relates to a composition for preparing a self-lubricating wear-resistant material, a self-lubricating wear-resistant coating, a self-lubricating wear-resistant coating and a self-lubricating wear-resistant material, belonging to the technical field of self-lubricating materials. Background technique [0002] Coating a solid lubricating coating on the surface of the friction pair is one of the effective methods to reduce the friction and wear between steel / steel friction pairs. The bonded solid lubricating coating has good friction and wear properties due to its simple preparation process and is cost-effective. High, great commercial value and other advantages, are widely used in important industrial fields such as machinery manufacturing, chemical industry, vehicle engineering, aerospace, shipping and transportation. [0003] Molybdenum disulfide (referred to as MoS) is commonly used in China. 2 )-based solid lubricating material, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/61
CPCC08K2003/3009C09D163/00C09D7/61C09D7/70C08K3/30C08K3/042C08K7/00
Inventor 邱明李迎春程蓓庞晓旭谷守旭
Owner HENAN UNIV OF SCI & TECH
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