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Antistatic high-temperature-resistant poly(ether-ether-ketone) coating and preparation method of antistatic high-temperature-resistant coating

An antistatic and high temperature resistant, polyether ether ketone technology, applied in the field of coatings, can solve the problems of easy sinking, easy aggregation and high surface energy, and achieve the effects of simple and convenient preparation method, superior physical properties and improved electrical conductivity

Active Publication Date: 2013-07-10
吉林省奕彤新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When metals are used as conductive fillers, there are problems such as easy oxidation, high density, and easy sinking when the content is high; metal oxides as conductive fillers have good conductivity, light color transparency, weather resistance, stability and infrared emissivity Low and excellent performance, but because of its high surface energy, it is easy to condense in the process of coating preparation and storage, resulting in performance degradation; graphite and carbon black in carbon series are used as conductive fillers, and a large amount needs to be added to meet the antistatic requirements; and Many antistatic coatings have poor high temperature resistance, and solvent-based antistatic coatings have problems such as polluting the environment, wasting energy, and high costs

Method used

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  • Antistatic high-temperature-resistant poly(ether-ether-ketone) coating and preparation method of antistatic high-temperature-resistant coating
  • Antistatic high-temperature-resistant poly(ether-ether-ketone) coating and preparation method of antistatic high-temperature-resistant coating

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Disperse 119.4g of polyetheretherketone resin with a melt index of 80g / 10min in 1194.0g of distilled water, grind it in a colloid mill (model: JTM5AB) for 20 minutes, filter it through a 200-300 mesh screen, and dry it at 120°C After 12 hours, polyetheretherketone powder of 200-300 meshes was obtained; the polyetheretherketone powder and 0.6 g of multi-walled carbon nanotubes with a diameter of 10-20 nm and a length of 10-30 μm were mixed in a high-speed pulverizer at 5000 The speed of rev / min was mixed for 5 minutes to obtain a mixed coating;

[0025] (2) After the surface of the steel plate is treated with a sandblasting machine, it is cleaned with ethanol and acetone, and the sandblasted steel plate is obtained after drying; the sandblasting sand particle size is 50 μm;

[0026] (3) The mixed paint was sprayed on the sandblasted steel plate by electrostatic spraying technology, kept at 380° C. for 10 minutes and then cooled at room temperature to obtain an antist...

Embodiment 2

[0030] (1) Disperse 119.40g of polyetheretherketone resin with a melt index of 120g / 10min in 1194.0g of distilled water, grind it in a colloid mill (model: JTM5AB) for 20 minutes, filter it through a 300-400 mesh screen, and dry it at 120°C After 12 hours, 300-400 mesh polyether ether ketone powder was obtained; the polyether ether ketone powder and 0.6 g of multi-walled carbon nanotubes with a diameter of 10-20 nm and a length of 10-30 μm were mixed in a high-speed pulverizer at 10,000 The speed of rev / min was mixed for 5 minutes to obtain a mixed coating;

[0031] (2) After the surface of the steel plate is treated with a sandblasting machine, it is cleaned with ethanol and acetone, and the sandblasted steel plate is obtained after drying; the sandblasting sand particle size is 50 μm;

[0032] (3) The mixed paint was sprayed on the sandblasted steel plate by electrostatic spraying technology, kept at 420° C. for 30 minutes and then cooled at room temperature to obtain an ant...

Embodiment 3

[0036] (1) Disperse 118.8g of polyether ether ketone resin with a melt index of 80g / 10min in 1188.0g of distilled water, grind it in a colloid mill (model: JTM5AB) for 20 minutes, filter it through a 200-300 mesh screen, and dry it at 120°C After 12 hours, 200-300 mesh polyether ether ketone powder was obtained; the polyether ether ketone powder and 1.2 g of multi-walled carbon nanotubes with a diameter of 10-20 nm and a length of 10-30 μm were mixed in a high-speed pulverizer at 5000 The speed of rev / min was mixed for 5 minutes to obtain a mixed coating;

[0037](2) After the surface of the steel plate is treated with a sandblasting machine, it is cleaned with ethanol and acetone, and the sandblasted steel plate is obtained after drying; the sandblasting sand particle size is 50 μm;

[0038] (3) The mixed paint was sprayed on the sandblasted steel plate by electrostatic spraying technology, kept at 380° C. for 10 minutes and then cooled at room temperature to obtain an antist...

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Abstract

The invention discloses an antistatic high-temperature-resistant polyether-ether-ketone coating and a preparation method of the antistatic high-temperature-resistant coating, and belongs to the technical field of paint. The mass ratio of the polyether-ether-ketone resin to a carbon nano tube in the coating disclosed by the invention is (98.5-99.5) to (1.5-0.5). The preparation method of the coating comprises the steps of grinding and drying the polyether-ether-ketone resin; mixing with the carbon nano tube to obtain mixed paint, and spraying the mixed paint on a sanded metal plate by an electrostatic spraying technology; and curing at room temperature after melting at high temperature to obtain the antistatic high-temperature-resistant coating. The alternating current conductivity of the antistatic high-temperature-resistant coating disclosed by the invention under the frequency of 10<3>Hz is 8.09*10<-9>s / m to 7.10*10(-4)s / m, and has the antistatic function. The preparation method of the antistatic high-temperature-resistant coating disclosed by the invention is simple and convenient; the conductive padding is evenly dispersed in resin; the conductivity of the coating is improved; and the antistatic high-temperature-resistant coating can be applied to the industries such as electronics, electric appliances, aviation and petrochemical engineering.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a polyether ether ketone antistatic and high temperature resistant coating and a preparation method thereof. Background technique [0002] Antistatic coating is a kind of functional coating developed rapidly in recent years. It endows the coating with conductivity and is widely used in the fields of electronics, construction, aviation and military. Antistatic coatings can be divided into additive antistatic coatings and non-additive antistatic coatings according to whether the film-forming substance is conductive. Non-additive antistatic coatings have not been widely used due to defects such as difficult construction, high cost and unsatisfactory performance. Additive antistatic coating is a mixture composed of conductive fillers, insulating polymers and additives. It is coated on polymer materials or metal surfaces to form a cured film, and the conductive effect of...

Claims

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Application Information

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IPC IPC(8): C09D171/08C09D5/24C09D5/46B05D7/14B05D7/24B05D3/12B05D3/10B05D1/06
Inventor 关绍巍卫凌松姜振华李庆伟祝世洋单华俊
Owner 吉林省奕彤新材料有限公司
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