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Epoxy resin composite coating solution, and preparation method and application method thereof

A technology of epoxy resin solution and epoxy resin, which is applied in the direction of epoxy resin coatings, coatings, devices for coating liquid on the surface, etc., can solve the problems of less research on the friction properties of composite materials, and achieve good matrix bonding force , low friction coefficient, excellent wear resistance effect

Inactive Publication Date: 2014-08-06
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, graphene composite materials with graphene as the dispersed phase have become a research hotspot, but the research mainly focuses on the mechanical properties, mechanical properties and thermal properties of composite materials, while there are few studies on the friction properties of composite materials.

Method used

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  • Epoxy resin composite coating solution, and preparation method and application method thereof
  • Epoxy resin composite coating solution, and preparation method and application method thereof
  • Epoxy resin composite coating solution, and preparation method and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] In this embodiment, the composite coating solution is composed of solvent, epoxy resin E51 and graphene modified by silane coupling agent. Wherein, the solvent is a mixed solvent formed by mixing xylene and n-butanol with a mass ratio of 7:3, and the mass of graphene accounts for 0.25% of the epoxy resin E51 mass.

[0046] The preparation method of the graphene modified by the silane coupling agent is: graphene and silane coupling agent KH550 are added to a mixed solvent whose mass ratio is 1:20 by a certain amount of ethanol and deionized water. , ultrasonically dispersed for 1 hour, and mechanically stirred for 5 hours in a water bath environment at 60°C to couple the silane coupling agent to the graphene surface through a coupling reaction, and then wash with ethanol and deionized water for 3 times to remove the residual silane coupling on the surface agent, and dried at 120°C for 10 hours to obtain silane coupling agent-modified graphene.

[0047] The preparation m...

Embodiment 2

[0051] In this embodiment, the composite coating solution is composed of solvent, epoxy resin E51 and graphene modified by silane coupling agent. Wherein, the solvent is a mixed solvent formed by mixing xylene and n-butanol with a mass ratio of 7:3, and the mass of graphene accounts for 0.5% of the epoxy resin E51 mass.

[0052] The preparation method of the graphene modified by the silane coupling agent is exactly the same as that of the graphene modified by the silane coupling agent in Example 1.

[0053] The preparation method of the above-mentioned composite coating solution is basically the same as the preparation method of the coating coating solution in Example 1, except that the graphene solution modified by the silane coupling agent is mixed with the epoxy resin solution, wherein the graphene The mass accounts for 0.5% of the epoxy resin E51 mass.

[0054] The above-mentioned composite coating solution was used to prepare a composite coating on the surface of the sub...

Embodiment 3

[0057] In this embodiment, the composite coating solution is composed of solvent, epoxy resin E51 and graphene modified by silane coupling agent. Wherein, the solvent is a mixed solvent formed by mixing xylene and n-butanol at a mass ratio of 7:3, and the mass of graphene accounts for 0.75% of the epoxy resin E51 mass.

[0058] The preparation method of the graphene modified by the silane coupling agent is exactly the same as that of the graphene modified by the silane coupling agent in Example 1.

[0059] The preparation method of above-mentioned composite coating solution is basically the same as the preparation method of composite coating solution in embodiment 1, and difference is: the graphene solution of silane coupling agent modification mixes with epoxy resin solution, wherein the quality of graphene Occupies 0.75% of epoxy resin E51 mass.

[0060] The above-mentioned composite coating solution was used to prepare a composite coating on the surface of the substrate, w...

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Abstract

The invention provides an epoxy resin composite coating solution. The composite coating solution comprises a solvent, epoxy resin and graphene, wherein the graphene is evenly dispersed into the solution, and the graphene accounts for 0.1-10% of the mass of the epoxy resin. In order to avoid agglomerating and improve the dispersion uniformity of the graphene, the graphene preferably is silane coupling agent-modified graphene and simultaneously is supplemented by the physical ultrasonic dispersing technology. The composite coating solution integrates the advantages of the epoxy resin and the graphene, and the obtained coating has low friction coefficient and excellent wear-resisting property when the composite coating solution is used for preparing a coating on the surface of a substrate. Therefore, the epoxy resin composite coating solution is a good anti-wear and anti-friction coating material.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to an epoxy resin composite coating solution, a preparation method and a use method thereof. Background technique [0002] Epoxy resins generally refer to oligomers containing two or more epoxy groups that can undergo ring-opening polymerization to prepare three-dimensional network insoluble and infusible materials, and sometimes generally refer to epoxy compounds with similar properties. Epoxy resin has good adhesion, corrosion resistance, insulation, high strength and other properties, and is widely used in chemical anticorrosion, machinery manufacturing, aerospace, shipping, chemical building materials, water conservancy and electric power and other fields. However, since the cured epoxy resin has a three-dimensional network structure, has a high crosslinking density, is brittle, and is prone to cracks, its tribological properties cannot meet the engineeri...

Claims

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Application Information

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IPC IPC(8): C09D163/02C09D7/12B05D7/24
Inventor 赵文杰伍方曾志翔郑文茹乌学东薛群基
Owner NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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