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Preparation method of epoxy resin wear-resistant composite material

A technology of epoxy resin and composite materials, which is applied in the field of material processing, and can solve problems such as affecting the service life of epoxy resin materials and unsatisfactory wear resistance

Inactive Publication Date: 2020-05-15
易士森
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical applications, pure epoxy resin materials have unsatisfactory wear resistance, which affects the service life of epoxy resin materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A preparation method of epoxy resin wear-resistant composite material, comprising the following steps:

[0022] (1) Raw material pretreatment:

[0023] a. Wash the SiC particles with clean water to remove the doped lime soil, bake at 200°C to remove the volatile pollutants adsorbed on the surface of the SiC particles, soak in acetone solution after cooling down, and ultrasonically clean twice, each time for 5 minutes, to wash off the SiC particles The non-volatile pollutants remaining on the surface should be dried at 130°C;

[0024] b. Dry the mixer and mold to avoid bringing in moisture;

[0025] (2) Stirring and mixing: Pour E44 type epoxy resin and E51 type epoxy resin into the mixer, stir evenly to obtain mixed epoxy resin, add dibutyl phthalate and keep stirring, dibutyl phthalate The amount of adding is 15% of the mass of the mixed epoxy resin, then add KH-55 organosilane coupling agent and organosilicone oil defoamer, continue stirring for 20min, add the pretr...

Embodiment 2

[0028] A preparation method of epoxy resin wear-resistant composite material, comprising the following steps:

[0029] (1) Raw material pretreatment:

[0030] a. Wash the SiC particles with clean water to remove the doped lime soil, bake at 300°C to remove the volatile pollutants adsorbed on the surface of the SiC particles, soak in acetone solution after cooling down, and ultrasonically clean twice, each time for 8 minutes, to wash off the SiC particles The non-volatile pollutants remaining on the surface should be dried at 150°C;

[0031] b. Dry the mixer and mold to avoid bringing in moisture;

[0032] (2) Stirring and mixing: Pour E44 type epoxy resin and E51 type epoxy resin into the agitator, stir evenly to obtain mixed epoxy resin, add unsaturated polyester resin and keep stirring, the amount of unsaturated polyester resin added is Mix 20% of the mass of epoxy resin, then add KH-55 organosilane coupling agent and organosilicone oil defoamer, keep stirring for 30min, a...

Embodiment 3

[0035] A preparation method of epoxy resin wear-resistant composite material, comprising the following steps:

[0036] (1) Raw material pretreatment:

[0037] a. Wash the SiC particles with clean water to remove the doped lime soil, bake at 220°C to remove the volatile pollutants adsorbed on the surface of the SiC particles, soak in acetone solution after cooling down, and ultrasonically clean twice, each time for 5 minutes, to wash off the SiC particles The remaining non-volatile pollutants on the surface should be dried at 135°C;

[0038] b. Dry the mixer and mold to avoid bringing in moisture;

[0039] (2) Stirring and mixing: Pour E44 type epoxy resin and E51 type epoxy resin into the agitator, stir evenly to obtain mixed epoxy resin, add polyurethane prepolymer and keep stirring, the addition amount of adjacent polyurethane prepolymer is mixing 25% of the mass of epoxy resin, then add KH-55 organosilane coupling agent and organosilicone oil defoamer, keep stirring for 2...

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Abstract

The invention discloses a preparation method of an epoxy resin wear-resistant composite material, wherein the preparation method comprises the following steps: (1) raw material pretreatment: a, respectively carrying out clear water cleaning and acetone solution ultrasonic cleaning on SiC particles, and finally drying; b, drying a stirrer and a mold, so as to prevent water from being brought in; (2) stirring and mixing: uniformly stirring E44 type epoxy resin and E51 type epoxy resin, adding a toughening agent, a coupling agent and an organic silicon oil defoaming agent, and adding the pretreated SiC particles while stirring; and (3) curing molding: adding a curing agent and a curing accelerator while stirring, injecting into a mold coated with a release agent, curing at normal temperature,curing in an oven, and curing at room temperature to finally obtain the finished product. The preparation operation is simple, the materials are easy to obtain, the reaction conditions are easy to achieve, and the prepared epoxy resin wear-resistant composite material has excellent erosive wear resistance, corrosion resistance and good tensile strength.

Description

technical field [0001] The invention belongs to the technical field of material processing, and in particular relates to a preparation method of an epoxy resin wear-resistant composite material. Background technique [0002] Epoxy resin is a kind of high molecular polymer artificially synthesized. It is a viscous liquid or a solid that can be softened by heating. It usually has a melting or softening temperature range when heated, and it can be in a plastic flow state under the action of external force; and epoxy Resins have strong cohesion, dense molecular structure, and active unsaturated groups in the molecular structure, so that they can cross-link with various types of curing agents to form insoluble polymers with three-dimensional network structures. Epoxy resin has good physical and chemical properties after curing, and can also bond a variety of metal materials and non-metal materials. It has good dielectric properties, small shrinkage rate, and high dimensional stab...

Claims

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Application Information

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IPC IPC(8): C08L63/02C08K9/04C08K3/34
CPCC08L63/00C08L2205/025C08L2205/03C08L2205/035C08K9/04C08K3/34
Inventor 易士森
Owner 易士森
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