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Preparation method for molybdenum disulfide base lubricating coat

A technology of molybdenum disulfide and lubricating coatings, which is applied in the field of preparation of molybdenum disulfide-based lubricating coatings, can solve the problems of complicated production process and high production cost, and achieve the effects of good product quality, low production cost and good effect

Active Publication Date: 2009-12-23
SICHUAN LIANMAO MACHINERY MFG
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] In order to overcome the disadvantages of complex production process and high production cost of existing molybdenum disulfide coatings, the present invention provides a method for preparing molybdenum disulfide-based lubricating coatings, which has the advantages of simple production process, low production cost and high product quality

Method used

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Embodiment

[0013] The specific process steps for preparing molybdenum disulfide are carried out in three steps

[0014] A. Preliminary preparation; wash the workpiece with metal cleaning agent, rinse with water, and dry it; conventional medium temperature phosphating treatment, the thickness of the phosphating layer is 0.01mm.

[0015] B. Coating preparation: According to the weight ratio of 2:1, take molybdenum disulfide and epoxy resin for blending; dilute with banana water, and adjust its viscosity. Every time you adjust, you need to use a viscometer to detect it. The viscosity is 20 seconds, and 2% of ethylenediamine is added by weight percentage, and stirred evenly; filtered twice with a 700-mesh screen to prepare a molybdenum disulfide-based lubricating coating.

[0016] C. Coating method: Take the paint and apply it evenly on the surface of the workpiece that has been phosphated by brushing. The amount of paint is 120g / m 2 , the dry film thickness is 25 μm; at intervals of 10 hou...

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Abstract

The invention relates to a preparation method of a molybdenum disulfide-based lubricating coating, which relates to the technical field of chemical composition application. It is to wash, dry and phosphate the workpiece to be coated; then use molybdenum disulfide as a lubricant, epoxy resin as a binder, banana water as a diluent, and ethylenediamine as a curing agent. The prepared molybdenum disulfide-based lubricating coating is coated on the surface of the workpiece; under normal temperature conditions, it is naturally dried for 20-30 minutes to form a molybdenum disulfide-based lubricating coating. Compared with the prior art, it has the advantages of simple and convenient production process, low production cost and good product quality.

Description

technical field [0001] The invention relates to a preparation method of a molybdenum disulfide-based lubricating coating, which relates to the application technical field of chemical compositions. Background technique [0002] During the long-term use of the friction pair of the mechanical workpiece, due to the different degrees of friction between the two contact surfaces, the surface of the friction pair will be worn to varying degrees, which will affect the accuracy and operating efficiency of the workpiece in severe cases. It has been found that coating the molybdenum disulfide-based lubricating coating on the surface of the workpiece friction pair can effectively protect the friction pair from wear and reduce wear. [0003] In the prior art, CN1420147 discloses a molybdenum disulfide-based high temperature resistant lubricating coating. Although the coating has wear-resisting, load-bearing and lubricating effects, there are also many types of raw materials required and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C28/00C23C22/07B05D7/24C10M103/06
Inventor 侯盛平张德健高翔
Owner SICHUAN LIANMAO MACHINERY MFG
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