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Conversion type organic binding dry film lubricant and preparation thereof

A dry film lubricant, organic bonding technology, applied in the field of lubrication, to achieve the effect of easy operation, long service life and good lubrication effect

Inactive Publication Date: 2008-11-12
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a conversion type organic bonded dry film lubricant and its preparation method, which overcomes the shortcoming that the existing dry film lubricant requires multi-step process implementation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0018] Brush the dry film lubricant on the surface of the steel plate made of medium carbon steel, and cure it at room temperature for 4 hours. The thickness of the formed coating film is 35-60 μm, and the friction coefficient is about 0.15. In the dry film lubricant, in parts by weight, there are 14 parts of polyvinyl butyral resin, 3 parts of metal conversion agent, 6 parts of talcum powder, 42 parts of dispersant, and 35 parts of solid lubricant. (concrete parts by weight of each component are shown in Table 1)

Embodiment 6-8

[0020] Spray the dry film lubricant on the surface of the silicon-aluminum alloy plate by air pressure, and cure it at room temperature for 2 hours. The thickness of the formed coating film is 15-25 μm, and the friction coefficient is about 0.16. In the dry film lubricant, in parts by weight, the mixed component of polyvinyl butyral resin and epoxy resin is 10 parts, the metal conversion agent is 5 parts, the talcum powder is 7 parts, and the dispersant is 54 parts. The dosage is 24 parts. (concrete parts by weight of each component are shown in Table 1)

Embodiment 9-10

[0022] Spray the dry film lubricant on the surface of the plate made of magnesium alloy, and cure it at room temperature for 2 hours. The thickness of the formed coating film is 15-25 μm, and the friction coefficient is about 0.14. In the dry film lubricant, in parts by weight, the mixed component of polyvinyl formal resin and epoxy resin is 20 parts, the metal conversion agent is 3 parts, the talcum powder is 8 parts, the dispersant is 44 parts, and the solid lubricant for 25 servings. (concrete parts by weight of each component are shown in Table 1)

[0023] Parts by weight of each component in Table 1 Embodiment 1-10

[0024] Reality

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Abstract

The invention provides convertible organic bonding dry film lubricant and a method for preparing the same, belonging to the lubrication technical field. The lubricant consists of macromolecular resins, solid lubricant, metallic conversion agent, talcum powder and dispersant. The method for preparing the convertible organic bonding dry film lubricant is as follows: firstly, the macromolecular resins are dissolved into a part of the dispersant to obtain macromolecular resin dispersion liquid; secondly, the solid lubricant, the talcum powder and the metallic conversion agent are dispersed into the other part of the dispersant and fully grinded to obtain the other dispersion liquid; thirdly, after the macromolecular resins are fully dissolved, the two parts of dispersion liquid are mixed and stirred at a high temperature, and the convertible organic bonding dry film lubricant is prepared. The lubricant provided by the invention can form a lubricating solid dry film on rustless or rusty metallic surface through synchronous implementation of conversion of metals and trace metal oxides and spray coating of the lubricant, and has the advantages of good bonding force with the metals, rust protection, lubrication, long service life, quick drying, convenient use and low cost; and the paint film can endure the high temperature of 200 DEG C and is particularly suitable for repair and maintenance of parts and components.

Description

technical field [0001] The invention belongs to the technical field of lubrication, and relates to a conversion type organic bonding dry film lubricant and a preparation method thereof. Background technique [0002] Dry film lubrication is a technology that firmly bonds solid lubricants, wear-resistant additives, etc. to the friction surface of moving parts with the help of binders to play a protective role in wear-resistant lubrication. The material that forms the dry film of solid lubrication is called dry film. film lubricant. The dry film formed by the dry film lubricant can act as a solid lubricating film under dry friction conditions, and also has the function of an anti-corrosion protective film. Noise or reduce micro-vibration wear and so on. Widely used in aviation, aerospace, electronics, transportation, petrochemical, construction, shipbuilding and other fields. [0003] Dry film lubricants mostly use polymer resins as binders. Usually, after degreasing, rust r...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M107/24C10M107/38C10M129/26C10M129/04C10M125/02C10M125/06C10N50/02
Inventor 乔红斌古绪鹏杨建国陈翔朱静田雪梅佘金阳
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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