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Conductive coating and preparation method thereof

A conductive coating, material layer technology, applied in conductive coatings, coatings, epoxy coatings, etc., can solve the problems of conductive performance and impact resistance to be improved, the hardness of conductive coatings is large, and achieve excellent chemical stability. , good demoulding effect, excellent aging performance

Inactive Publication Date: 2017-07-07
合肥羿振电力设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The conductive coating has high hardness, is not easy to be scratched, and has good electrical conductivity, but the electrical conductivity and impact resistance need to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The conductive coating of this embodiment includes a bonding primer layer and a composite base material layer, the bonding primer layer is coated on the base material, and the composite base material layer is coated on the bonding primer layer, and the bonding primer layer includes the following parts by weight Raw materials: 45 parts of polytetrafluoroethylene, 7 parts of glass fiber, 1.2 parts of carbon fiber, 6 parts of graphite powder, 3 parts of sodium dodecylsulfonate;

[0027] The composite base material layer includes the following raw materials in parts by weight: 28 parts of epoxy resin, 17 parts of superfine calcium silicate, 5 parts of octabromodiphenyl ether, 3 parts of vinylbisstearamide, 46 parts of toluene, conductive carbon Black 2.6 parts.

[0028] Among them, the fineness of the superfine calcium silicate is 400-600 mesh, and the epoxy equivalent of the epoxy resin is 460-480.

[0029] The preparation method of above-mentioned conductive coating, com...

Embodiment 2

[0035] The conductive coating of this embodiment includes a bonding primer layer and a composite base material layer, the bonding primer layer is coated on the base material, and the composite base material layer is coated on the bonding primer layer, and the bonding primer layer includes the following parts by weight Raw materials: 40 parts of polytetrafluoroethylene, 3 parts of glass fiber, 1.4 parts of carbon fiber, 6 parts of graphite powder, 1 part of sodium dodecylsulfonate;

[0036] The composite base material layer includes the following raw materials in parts by weight: 20 parts of epoxy resin, 13 parts of superfine calcium silicate, 5 parts of octabromodiphenyl ether, 3 parts of vinylbisstearamide, 36 parts of toluene, conductive carbon Black 0.8 parts.

[0037] Among them, the fineness of the superfine calcium silicate is 400-600 mesh, and the epoxy equivalent of the epoxy resin is 460-480.

[0038] The preparation method is the same as in Example 1.

Embodiment 3

[0040] The conductive coating of this embodiment includes a bonding primer layer and a composite base material layer, the bonding primer layer is coated on the base material, and the composite base material layer is coated on the bonding primer layer, and the bonding primer layer includes the following parts by weight Raw materials: 48 parts of polytetrafluoroethylene, 5 parts of glass fiber, 1.6 parts of carbon fiber, 6 parts of graphite powder, 2 parts of sodium dodecylsulfonate;

[0041] The composite base material layer includes the following raw materials in parts by weight: 24 parts of epoxy resin, 15 parts of superfine calcium silicate, 6 parts of octabromodiphenyl ether, 4 parts of vinylbisstearamide, 42 parts of toluene, conductive carbon Black 1.6 parts.

[0042] Among them, the fineness of the superfine calcium silicate is 400-600 mesh, and the epoxy equivalent of the epoxy resin is 460-480.

[0043] The preparation method is the same as in Example 1.

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Abstract

The invention discloses a conductive coating and a preparation method thereof. The conductive coating comprises a bonding basal layer and a compound base material layer, wherein the bonding basal layer is coated on a base material, the compound base material layer is coated on the bonding basal layer, the bonding basal layer contains the following raw materials in parts by weight: 40-60 parts of polytetrafluoroethylene, 3-10 parts of glass fibers, 0.8-1.6 parts of carbon fibers, 5-9 parts of graphite powder and 1-3 parts of sodium dodecyl sulfate; the compound base material layer contains the following raw materials in parts by weight: 20-36 parts of epoxy resin, 12-20 parts of superfine calcium silicate, 5-10 parts of polybrominated diphenyl ethers, 3-6 parts of vinyl distearamide, 30-60 parts of methylbenzene and 0.8-3.8 parts of conductive carbon black. The conductive coating disclosed by the invention has good conductivity, strong adhesion and good impact resistance, and conductivity stability of a base material is guaranteed.

Description

technical field [0001] The invention relates to the coating field of conductive substrates, in particular to a conductive coating and a preparation method thereof. Background technique [0002] Conductive coating is a functional material that has emerged with the rapid development of the coating industry and modern industry in recent years. It is a coating with a certain ability to conduct current and dissipate static charges. It is usually composed of dispersed nano-conductive graphite-coated particles, etc. It can provide excellent static electrical conductivity and is a protective energy-absorbing layer. The commonly used treatment methods are mainly conductive coatings made of conductive polymers as film-forming substances, or adding conductive substances based on polymers, and using the conductive effect of conductive substances to achieve the purpose, so that it not only has Conductive function, while having many excellent properties of high molecular polymers, can ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/18C09D163/00C09D5/24C09D7/12
CPCC09D127/18C08K3/04C08K3/34C08K5/06C08K5/20C08K5/42C08K7/06C08K7/14C08K13/04C08K2201/001C08K2201/014C09D5/24C09D7/61C09D7/63C09D7/70C09D163/00
Inventor 武行峰
Owner 合肥羿振电力设备有限公司
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