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High-temperature wear-resistant paint composition

A high-temperature wear-resistant, composite technology, applied in the field of coatings, can solve problems such as the inability to use liquid lubricating oil or lubricating grease, reduce the transmission efficiency and service life of friction pairs, and affect the service life and safety reliability of the whole machine. Abrasion resistance, convenient construction, and low toxicity

Inactive Publication Date: 2013-03-13
QINGDAO XUANWEI COATING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Many large-scale mechanical equipment, such as rollers and guide rails and pin gear pairs of standard steel bridge horizontal push-type erection mechanisms, crawler tracks and support wheels, guide wheels, and driving wheels of crawler vehicle travel mechanisms, ring gears and ring gears of excavator slewing mechanisms Metal friction components such as gears, transmission mechanisms of ball mills, slewing mechanisms of cranes, trolley drag mechanisms for heating furnaces in the metallurgical industry, etc., are often dusty at the construction site, and the friction components included in the equipment need to be exposed to harsh environments. , Working under dry friction conditions, liquid lubricating oil or lubricating grease cannot be used, which makes the friction coefficient of the friction pair very large, resulting in serious friction energy consumption and rapid wear of friction components, thereby reducing the transmission efficiency and use of the friction pair Life, and even affect the service life and safety reliability of the whole machine

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Example 1, a composite material of a high-temperature wear-resistant coating, made of the following raw materials in parts by weight: 10 parts of epoxy resin, 35 parts of modified water-based polyurethane dispersion, 4 parts of alumina micropowder, 3 parts of phosphoric acid, three 8 parts of sodium polyphosphate, 4 parts of nickel-coated graphite powder, 3 parts of diluent, 2 parts of leveling agent, 2 parts of defoamer, and 7 parts of film-forming aid.

[0013] The above diluent is butyl acetate or butyl formate, the leveling agent is a polyacrylate leveling agent, and the defoamer is a modified polysiloxane defoamer.

[0014] The above-mentioned modified aqueous polyurethane dispersion is obtained from a polysiloxane-modified aqueous polyurethane dispersion terminated by a hydroxyalkyl group.

[0015] The above-mentioned film-forming aid is ethylene glycol propyl ether.

Embodiment 2

[0016] Example 2, a composite material of a high-temperature wear-resistant coating, made of the following raw materials in parts by weight: 15 parts of epoxy resin, 40 parts of modified water-based polyurethane dispersion, 8 parts of alumina micropowder, 6 parts of phosphoric acid, three 10 parts of sodium polyphosphate, 6 parts of nickel-coated graphite powder, 5 parts of diluent, 5 parts of leveling agent, 4 parts of defoamer, and 9 parts of film-forming aid.

[0017] The above diluent is butyl acetate or butyl formate, the leveling agent is a polyacrylate leveling agent, and the defoamer is a modified polysiloxane defoamer.

[0018] The above-mentioned modified aqueous polyurethane dispersion is obtained from a polysiloxane-modified aqueous polyurethane dispersion terminated by a hydroxyalkyl group.

[0019] The above-mentioned film-forming aid is ethylene glycol propyl ether.

Embodiment 3

[0020] Example 3, a composite material of a high-temperature wear-resistant coating, made of the following raw materials in parts by weight: 20 parts of epoxy resin, 50 parts of modified water-based polyurethane dispersion, 10 parts of alumina micropowder, 9 parts of phosphoric acid, three 14 parts of sodium polyphosphate, 8 parts of nickel-coated graphite powder, 6 parts of diluent, 7 parts of leveling agent, 6 parts of defoamer, and 12 parts of film-forming aid.

[0021] The above diluent is butyl acetate or butyl formate, the leveling agent is a polyacrylate leveling agent, and the defoamer is a modified polysiloxane defoamer.

[0022] The above-mentioned modified aqueous polyurethane dispersion is obtained from a polysiloxane-modified aqueous polyurethane dispersion terminated by a hydroxyalkyl group.

[0023] The above-mentioned film-forming aid is ethylene glycol propyl ether.

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PUM

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Abstract

The invention discloses a high-temperature wear-resistant paint composition which is characterized by being prepared from the following raw materials in parts by weight: 10-20 parts of epoxy resin, 35-50 parts of modified water-based polyurethane dispersion, 4-10 parts of aluminum oxide micropowder, 3-9 parts of phosphoric acid, 8-14 parts of sodium tripolyphosphate, 4-8 parts of nickel coated graphite powder, 3-6 parts of diluter, 2-7 parts of leveling agent, 2-6 parts of defoaming agent and 7-12 parts of film-forming assistant. The high-temperature wear-resistant paint composition provided by the invention has favorable wear resistance, high temperature resistance, high bonding property, erosion resistance and stain resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a composition of high-temperature wear-resistant coatings. Background technique [0002] Many large-scale mechanical equipment, such as rollers and guide rails and pin gear pairs of standard steel bridge horizontal push-type erection mechanisms, crawler tracks and support wheels, guide wheels, and driving wheels of crawler vehicle travel mechanisms, ring gears and ring gears of excavator slewing mechanisms Metal friction components such as gears, transmission mechanisms of ball mills, slewing mechanisms of cranes, trolley drag mechanisms for heating furnaces in the metallurgical industry, etc., are often dusty at the construction site, and the friction components included in the equipment need to be exposed to harsh environments. , Working under dry friction conditions, liquid lubricating oil or lubricating grease cannot be used, which makes the friction coefficient of the frict...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D163/00C09D7/12
Inventor 李光俊李少香刘来运
Owner QINGDAO XUANWEI COATING MATERIAL
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