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Preparation method of Mxene-based conductive, wave-absorbing and anti-corrosion integrated coating

A kind of coating and integrated technology, applied in the direction of conductive coatings, anti-corrosion coatings, radiation-absorbing coatings, etc., can solve the problems of structural change, mechanical, electrochemical and other performance degradation, and obstacles to the development and application of MXenes, so as to achieve the improvement of wave-absorbing performance, Excellent absorbing performance, preventing secondary agglomeration

Active Publication Date: 2022-08-05
新化县中润化学科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Secondly, because MXenes are easily oxidized in the air, the structure and morphology change, and the mechanical and electrochemical properties decrease, which hinders the development and application of MXenes.

Method used

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  • Preparation method of Mxene-based conductive, wave-absorbing and anti-corrosion integrated coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Preparation of GNS@magnetic fillers

[0031] a. Amino functionalization on the surface of magnetic fillers

[0032] 2 parts of N-(β-aminoethyl)-γ-aminopropylmethyl-dimethoxysilane was added to 20 parts of a mixed solvent of ethanol and water, where the ratio of ethanol and water was 95:5 , adjust the pH of the solution to 10, and then add it into the powder of the ferromagnetic filler in the form of spray, and continue to stir at 80 °C for 30 min to obtain the magnetic filler with amino groups on the surface.

[0033] b. Disperse 2 parts of graphene in 20 parts of water, add 1 part of polyvinylpyrrolidone surfactant, adjust the pH to 10, then add 8 parts of magnetic material with amino groups on the surface, stir at high speed for 30min, and then emulsify with an emulsifying pump 60min, dried to obtain a mixture of GNS@magnetic filler;

[0034] (2) Preparation of GNS / Mxene / magnetic filler composites

[0035] Add 10 parts of graphene, 10 parts of Mxene, and 40 par...

Embodiment 2

[0039] (1) Preparation of GNS@magnetic fillers

[0040] a. Amino functionalization on the surface of magnetic fillers

[0041] 5 parts of N-(β-aminoethyl)-γ-aminopropylmethyl-dimethoxysilane was added to 50 parts of a mixed solvent of ethanol and water, and the ratio of ethanol and water was 95:5 , adjust the pH of the solution to 10, and then add it into the powder of the ferromagnetic filler in the form of spray, and continue to stir at 80 °C for 30 min to obtain the magnetic filler with amino groups on the surface.

[0042] b. Disperse 5 parts of graphene in 50 parts of water, add 3 parts of OP-10 surfactant, adjust the pH to 10, then add 30 parts of magnetic material with amino groups on the surface, stir at high speed for 30 minutes, and then use an emulsification pump to emulsify 60min, dried to obtain a mixture of GNS@magnetic filler;

[0043] (2) Preparation of GNS / Mxene / magnetic filler composites

[0044] Add 10 parts of graphene, 10 parts of Mxene, and 60 parts of...

Embodiment 3

[0048] (1) Preparation of GNS@magnetic fillers

[0049] a. Amino functionalization on the surface of magnetic fillers

[0050]10 parts of N-(β-aminoethyl)-γ-aminopropylmethyl-dimethoxysilane was added to 100 parts of a mixed solvent of ethanol and water, and the ratio of ethanol and water was 95:5 , adjust the pH of the solution to 10, then add it into the powder of ferromagnetic filler in the form of spray, and continue stirring at 80 °C for 30 min to obtain the magnetic filler with amino groups on the surface.

[0051] b. Disperse 10 parts of graphene in 100 parts of water, add 5 parts of OP-100 surfactant, adjust the pH to 10, then add 100 parts of magnetic material with amino groups on the surface, stir at high speed for 30 minutes, and then emulsify with an emulsification pump 60min, dry to obtain a mixture of GNS@magnetic filler;

[0052] (2) Preparation of GNS / Mxene / magnetic filler composites

[0053] Add 10 parts of graphene, 10 parts of Mxene, and 100 parts of magn...

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Abstract

The invention discloses a preparation method of a conductive, wave-absorbing and anti-corrosion integrated coating based on Mxene. The preparation method comprises the following steps: preparing 1-50 parts of GNS magnetic filler; the preparation method comprises the following steps: adding 1-50 parts of GNS / Mxene / magnetic filler into 1-100 parts of epoxy resin, then adding 0.5-2 parts of a dispersing wetting agent, 0.5-1 part of an anti-settling agent, 1-5 parts of spherical conductive carbon black, 0.5-1 part of a defoaming agent and 0.5-1 part of a corrosion inhibitor, and compounding to obtain a coating finished product. According to the preparation method of the Mxene-based conductive, wave-absorbing and anti-corrosion integrated coating with the structure, the GNS / Mxene / magnetic filler composite substance keeps stable performance of Mxene, and the prepared coating has excellent conductive performance, wave-absorbing performance and anti-corrosion performance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a preparation method of a Mxene-based coating integrating conductivity, wave absorption and anticorrosion. Background technique [0002] MXene is an emerging two-dimensional sheet material with graphene-like structure. A variety of MXenes have been prepared. It is clear that MXenes have a sheet structure similar to graphene, and have good self-lubrication, toughness, and surface hydrophilicity. It can be used in many application fields such as catalysis, lubrication, adsorption, energy storage, anti-corrosion, and polymer composite material processing. The material has good electromagnetic shielding performance, mainly due to its good electromagnetic shielding performance. The interlayer electronic coupling and excellent conductivity (conductivity can be 4600S / cm) can effectively attenuate the electromagnetic waves entering the material. The electromagnetic shielding efficiency ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/24C09D5/08C09D5/32C09D163/00
CPCC09D5/24C09D5/08C09D5/32C09D163/00C08K2201/01C08K2201/011C08K7/18C08K9/06C08K3/042C08K3/14C08K9/08C08K9/12
Inventor 张明宁旭涛王鹏颜琪陈振
Owner 新化县中润化学科技有限公司
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