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Ceramic particle wear-resistant coating material capable of being rapidly cured

A technology of ceramic particles and wear-resistant coatings, which is applied in the field of wear-resistant coatings and ceramic particle wear-resistant coating materials, and can solve problems such as long curing time and inability to apply emergency maintenance and protection

Inactive Publication Date: 2017-07-14
运研材料科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wear-resistant coatings prepared in these patents are mainly compounded with curing agents such as polyamide, alicyclic amines, and aliphatic amines. When used, they are conventional curing products with a long curing time and can be used for conventional wear protection. Unsuitable for emergency repair and protection in case of emergency shutdown of equipment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Composition of ceramic particle wear-resistant coating material

[0025] The ceramic particle wear-resistant coating material is composed of A component and B component, of which

[0026] Component A consists of the following components by weight:

[0027] E51 type epoxy resin (epoxy equivalent of 185-210) 20 parts, bisphenol F type epoxy resin (epoxy equivalent of 160-180) 7 parts, 2-(3,4-epoxycyclohexyl) 0.2 parts of ethyl trimethoxysilane, 2.3 parts of neopentyl glycol diglycidyl ether, 10 parts of silicon carbide particles (150 mesh), 60 parts of alumina particles (particle size: 2 mm), 2 parts of hydrophilic fumed silica Parts, 5 parts of lignocellulose (1.5mm in length), 1.2 parts of titanium dioxide.

[0028] Component B consists of the following components by weight:

[0029] 30 parts of polythiol curing agent, 1.5 parts of DMP30, 0.3 parts of 3-aminopropyltriethoxysilane, 10 parts of silicon carbide particles (150 mesh), 60 parts of alumina particles (pa...

Embodiment 2

[0033] (1) Composition of ceramic particle wear-resistant coating material

[0034] The ceramic particle wear-resistant coating material is composed of A component and B component, of which

[0035] Component A consists of the following components by weight:

[0036] E44 type epoxy resin, epoxy equivalent is 185-210) 18 parts, bisphenol F type epoxy resin (epoxy equivalent is 160-180) 11 parts, 3-(2,3-epoxypropoxy) propyl 0.7 parts of trimethoxysilane, 2.6 parts of neopentyl glycol diglycidyl ether, 8 parts of silicon carbide particles (150 mesh), 65 parts of alumina particles (particle size: 1 mm), 3 parts of hydrophilic fumed silica, 8 parts of lignocellulose (1mm in length), 2 parts of titanium dioxide.

[0037] Component B consists of the following components by weight:

[0038] 32 parts of polythiol curing agent, 1.7 parts of DMP30, 0.6 parts of 3-aminopropyltriethoxysilane, 8 parts of silicon carbide particles (150 mesh), 65 parts of alumina particles (particle size: ...

Embodiment 3

[0042] (1) Composition of ceramic particle wear-resistant coating material

[0043] The ceramic particle wear-resistant coating material is composed of A component and B component, of which

[0044] Component A consists of the following components by weight:

[0045] Bisphenol A type epoxy resin (E44 type and E51 type mixed epoxy resin, wherein the weight ratio of E44 type epoxy resin and E51 type mixed epoxy resin is 1:2, and the epoxy equivalent is 185-210) 20 parts, Bisphenol F epoxy resin (epoxy equivalent 160-180) 10 parts, 2-(3,4-epoxycyclohexyl) ethyl trimethoxysilane 0.2 parts, neopentyl glycol diglycidyl ether 3 parts, 11 parts of silicon carbide particles (particle size: 150 mesh), 60 parts of alumina particles (particle size: 1 mm), 2 parts of hydrophilic fumed silica, 5 parts of lignocellulose (length: 2 mm), titanium 1.2 parts of white powder.

[0046] Component B consists of the following components by weight:

[0047] 34 parts of polythiol curing agent, 1.5 ...

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PUM

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Abstract

The invention provides a ceramic particle wear-resistant coating material capable of being rapidly cured. The ceramic particle wear-resistant coating material is composed of a component A and a component B. The component A is composed of the following raw materials in parts by weight: 10 to 20 parts of bisphenol A epoxy resin, 7 to 15 parts of bisphenol F epoxy resin, 0.2 to 1 part of silane coupling agent, 1 to 3 parts of reaction type diluent, 5 to 15 parts of silicon carbide particle, 60 to 80 parts of alumina particle, 2 to 5 parts of hydrophilic fumed silica, 4 to 10 parts of lignocellulose, and 1 to 3 parts of titanium dioxide. The component B is composed of the following raw materials in parts by weight: 30 to 36 parts of polymercaptan curing agent, 1.5 to 3 parts of curing promoter, 0.1 to 1 part of silane coupling agent, 5 to 15 parts of silicon carbide particle, 60 to 80 parts of alumina particle, 2 to 5 parts of hydrophilic fumed silica, 4 to 10 parts of lignocellulose, and 1 to 3 parts of titanium dioxide. The provided ceramic particle wear-resistant coating material has an excellent wear-resistant performance and a strong bonding force on metal surface, and is capable of being cured rapidly, the primary curing time is 5 minutes, and the coating material is completely cured after one hour.

Description

technical field [0001] The invention relates to a wear-resistant coating, in particular to a fast-curing ceramic particle wear-resistant coating material, which belongs to the technical field of epoxy system composite materials. Background technique [0002] Epoxy resin system wear-resistant composite material coating is widely used in wear-resistant conditions such as mud pumps, conveying elbows, and pump casings due to its good erosion and wear resistance, simple operation process, and high cost performance. Workpieces, maintenance or protection of mechanical parts, reconstruction and repair of high-wear parts of equipment. [0003] Bao Hasen et al. proposed in their patent (invention name: epoxy resin wear-resistant adhesive coating and preparation method; patent number: CN20110151662) that the self-made modified epoxy resin is used as a toughening agent to toughen the modification and improve the toughness. Adhesion to the substrate, while adding ceramic particles to ar...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D7/12C08G59/66
CPCC09D163/00C08G59/66C08L2205/025C08L2205/03C09D7/63C09D7/65C08L63/00C08L97/005C08K13/02C08K3/34C08K2003/2227C08K3/36C08K2003/2241C08K5/544
Inventor 王鑫马永龙
Owner 运研材料科技(上海)有限公司