Graphene modified polyaniline conductive coating and preparation method thereof

A technology of graphene modification and conductive coatings, applied in conductive coatings, epoxy resin coatings, coatings, etc., can solve the problems of insufficient electrical conductivity, poor bonding performance between coatings and substrates, and low service life, and achieve good application value , Improve electrical conductivity and mechanical properties, enhance the effect of bonding performance

Inactive Publication Date: 2015-05-06
ANKE SMART CITY TECH PRC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a grap

Method used

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  • Graphene modified polyaniline conductive coating and preparation method thereof
  • Graphene modified polyaniline conductive coating and preparation method thereof
  • Graphene modified polyaniline conductive coating and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0032] A graphene-modified polyaniline conductive coating, the components and parts by mass of the coating are:

[0033] A component:

[0034]

[0035] B component:

[0036]

[0037] Wherein, parts by mass are relative parts by mass ratio, for example, 1 part is 0.1g, 0.2g, 0.5g, 0.8g, 1g, 2g, 5g, 10g, 20g, 25g, 50g, 70g, 100g, 200g, 500g or 1000g etc.

[0038] Among them, bisphenol A epoxy resin is a high molecular compound refined by condensation of bisphenol A and epichlorohydrin under alkaline conditions, washing with water, and solvent removal. Preferably, the bisphenol A epoxy resin is any one or more of E44, E51 and E35 types. 44 means the average epoxy value is 0.44. For example, the bisphenol A epoxy resin is E44, E51 or E35; as another example, the bisphenol A epoxy resin is E44 and E51, and the mass ratio is 1:1; as another example, the bisphenol A Epoxy resins are E44, E51 and E35 types, and their mass ratio is 1:2:1.

[0039] Preferably, the solvent is...

Embodiment 2

[0052] The following illustrates the preparation of the polyaniline conductive coating of above-mentioned embodiment, as figure 1 Shown, a kind of preparation method of the polyaniline conductive coating of graphene modification, it may further comprise the steps:

[0053] According to the mass ratio, mix 1-15 parts of intrinsic polyaniline nano powder, 1-20 parts of graphene powder and 5-25 parts of solvent, and disperse at high speed to form a slurry-like uniform dispersion; wherein, the high-speed Dispersion is enough to achieve uniform dispersion, for example, including stirring with a stirrer at a speed of 100 rpm to 2000 rpm, and for another example, stirring at a speed of 200 rpm to 500 rpm.

[0054] According to the mass ratio, mix 15-50 parts of bisphenol A epoxy resin, 2-5 parts of dispersant, 0.5-5 parts of defoamer, 0.2-5 parts of leveling agent and 5-30 parts of talc powder At the same time, add the uniform dispersion, disperse and stir at a high speed and then f...

Embodiment 3

[0058] Continue to exemplify the preparation of the polyaniline conductive coating of above-mentioned embodiment below, a kind of preparation method of the polyaniline conductive coating of graphene modification, concrete operation steps are:

[0059] Mix intrinsic polyaniline nanopowder, graphene powder and solvent, and disperse at a high speed for 1 to 2 hours to form a slurry-like uniform dispersion; for example, mix intrinsic polyaniline nanopowder, graphene powder, surfactant and solvent . For example, stirring at high speed for 1, 1.2, 1.3, 1.5, 1.8, or 2 hours results in a dispersion that is relatively uniformly dispersed and forms a slurry, that is, the homogeneous dispersion.

[0060] Add bisphenol A epoxy resin, dispersant, defoamer, leveling agent and talcum powder to the above stable dispersion at the same time, continue to stir at high speed for 2 to 3 hours, and filter with a filter to obtain component A; for example, high-speed stirring 2, 2.2, 2.5, 2.8 or 3 ho...

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Abstract

The invention provides a graphene modified polyaniline conductive coating and a preparation method thereof. The polyaniline conductive coating comprises the following components in parts by mass: component A comprising 15-50 parts of bisphenol A epoxy resin, 5-25 parts of a solvent, 1-15 parts of eigenstate polyaniline nanometer powder, 1-20 parts of graphene powder, 2-5 parts of a dispersing agent, 0.5-5 parts of an antifoaming agent, 0.2-5 parts of a flatting agent and 5-30 parts of talcum powder; and component B comprising 40-60 parts of a curing agent, 5-10 parts of titanium dioxide, 8-30 parts of wollastonite in powder and 20-30 parts of a solvent. With the adoption of the scheme, polyaniline with high dissolution rate is adopted, and a proper amount of graphene is added, so that the conductivity and mechanical property of the coating are improved, the bonding property of the coating with the matrix is enhanced, the service life of the coating is prolonged, and the coating has high application value.

Description

technical field [0001] The invention relates to a graphene-modified paint, in particular to a graphene-modified polyaniline conductive paint and a preparation method thereof. Background technique [0002] Conductive coating is a new type of functional coating, which has the conductive characteristics of transmitting current and eliminating accumulated static charge. It is widely used in functional fields such as anti-corrosion, radiation protection, anti-static, invisible materials, and conductive films. It is an effective and direct method to prepare conductive coatings by uniformly dispersing conductive particles into the polymer system through covalent or non-covalent bonds. After the polymer is cured, the conductive particles contact each other to form a conductive network. . [0003] Polyaniline is a typical conductive polymer material, which has special electrical and optical properties, and can become conductive after being doped. Due to its diverse structure, good ...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/24
CPCC09D163/00C08L2205/03C09D5/24C09D7/61C09D7/63C09D7/65C08L79/02C08L29/04C08L39/06C08L71/02C08K13/02C08K3/04C08K3/34C08K2003/2241
Inventor 钟翔宇代成龙
Owner ANKE SMART CITY TECH PRC
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