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Normal-temperature solidifying wear-resistance coating and preparation method thereof

A wear-resistant coating, room temperature curing technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of high energy consumption, inability to use, injury to operators, etc., to achieve small friction coefficient, high hardness, wear resistance good effect

Inactive Publication Date: 2011-11-23
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, wear-resistant coatings mostly use thermal spraying technology or sintering to form a film. Both of these methods consume a lot of energy and are harmful to operators, and they cannot be used on surfaces that cannot withstand high temperatures.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: A kind of normal temperature curing wear-resistant coating, it is made up of A component and B component, and the weight ratio of A component and B component is 12:1, and described A component comprises following component (with weight percentage):

[0028] Graphite fluoride 5% Silicon carbide powder 25% FEVE fluorocarbon resin 35% first solvent 30% Dispersant 4% coupling agent 0.8% Thixotropic agent 0.2% total 100%

[0029] Described B component comprises following component (by weight percentage):

[0030] Hardener 70% second solvent 30% total 100%

[0031] The FEVE fluorocarbon resin is a solvent-soluble FEVE fluorocarbon resin mainly composed of chlorotrifluoroethylene copolymer, which is produced by Dalian Zhenbang Fluorocoating Co., Ltd., and its brand name is F100.

[0032] Both the first solvent and the second solvent are mixed with butyl acetate and xylene at a vo...

Embodiment 2

[0041] Embodiment 2: A kind of normal temperature curing wear-resistant coating, it is made up of A component and B component, and the weight ratio of A component and B component is 10:1, and described A component comprises following component (with weight percentage):

[0042] Graphite fluoride 3.4% Silicon carbide powder 18% FEVE fluorocarbon resin 40% first solvent 35% Dispersant 2% coupling agent 1.5% Thixotropic agent 0.1% total 100%

[0043] Described B component comprises following component (by weight percentage):

[0044] Hardener 80% second solvent 20% total 100%

[0045] The FEVE fluorocarbon resin is a solvent-soluble FEVE fluorocarbon resin mainly composed of chlorotrifluoroethylene copolymer, which is produced by Dalian Zhenbang Fluorocoating Co., Ltd., and its brand name is F100.

[0046] Both the first solvent and the second solvent are mixed with butyl acetate and xylene at a ...

Embodiment 3

[0055] Embodiment 3: A kind of normal temperature curing wear-resistant coating, it is made up of A component and B component, and the weight ratio of A component and B component is 7:1, and described A component comprises following component (with weight percentage):

[0056] Graphite fluoride 0.5% Silicon carbide powder 10% FEVE fluorocarbon resin 45% first solvent 40% Dispersant 3% coupling agent 1.2% Thixotropic agent 0.3% total 100%

[0057] Described B component comprises following component (by weight percentage):

[0058] Hardener 60% second solvent 40% total 100%

[0059] The FEVE fluorocarbon resin is a solvent-soluble FEVE fluorocarbon resin mainly composed of chlorotrifluoroethylene copolymer, which is produced by Dalian Zhenbang Fluorocoating Co., Ltd., and its brand name is F100.

[0060] Both the first solvent and the second solvent are mixed with butyl acetate and xylene at a v...

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Abstract

The invention relates to a normal-temperature solidifying wear-resistance coating and a preparation method thereof. The normal-temperature solidifying wear-resistance coating consists of a component A and a component B, which are in a weight ratio of (7-12):1, wherein the component A consists of graphite fluoride, silicon carbide micropowder, fluorinated ethylene vinyl ether (FEVE) fluorocarbon resin, a first solvent, a dispersant, a coupling agent and a thixotropic agent; and the component B comprises a solidifying agent and a second solvent. The normal-temperature solidifying wear-resistance coating can be applied by the conventional brushing, dipping and spraying coating processes without consuming a large amount of energy and can be applied on surfaces susceptible to high temperature. And with the high hardness and high wear resistance of silicon carbide and the excellent lubricating performance of graphite fluoride, the normal-temperature solidifying wear-resistance coating has the characteristics of high hardness and high wear resistance. In addition, the normal-temperature solidifying wear-resistance coating has high heat resistance and can solidify at normal temperature or solidify quickly with heating.

Description

technical field [0001] The invention belongs to the technical field of material surface protection, and in particular relates to a normal-temperature curing wear-resistant coating with good wear resistance and high hardness and a preparation method thereof, which can be used in aluminum materials, copper materials, and other places requiring wear-resistant coatings. Background technique [0002] With the development of modern science and technology, artificial satellites, spacecraft, high-speed trains, impellers of steam turbines and engines, propellers of ships, blades of water wheel engines, decks of ships, floors of buildings, road marking paint, etc., are all subject to high-speed The erosion of airflow, sand and water and the action of mechanical force will cause serious wear and tear on the material. In order to prolong the service life, the surface of the material needs to be coated with wear-resistant paint. [0003] Abrasion-resistant coating is a kind of coating wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/12C09D5/00
Inventor 易英黄畴郑志云谢学归
Owner WUHAN UNIV OF TECH
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