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Conductive spraying powder, preparation method, preparation system and use method

A technology of spraying powder and conductive powder, which is applied in the manufacture of cables/conductors, conductive materials dispersed in non-conductive inorganic materials, circuits, etc., can solve the problems of easy agglomeration and agglomeration of powder coatings, and achieve easy promotion and preparation Simple process, good overall gloss effect

Active Publication Date: 2021-11-12
深圳市锦耀达环保材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The conductivity of the conductive powder coating prepared by the above technical scheme is obviously improved, but the prepared powder coating is prone to agglomeration and agglomeration

Method used

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  • Conductive spraying powder, preparation method, preparation system and use method
  • Conductive spraying powder, preparation method, preparation system and use method
  • Conductive spraying powder, preparation method, preparation system and use method

Examples

Experimental program
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Effect test

preparation example Construction

[0072] The preparation technology of conductive spraying powder comprises the following steps:

[0073] (1) Premixing, mixing the raw materials other than aluminum oxide evenly;

[0074] (2) Mixing and extruding, put the uniformly mixed raw materials into the extruder for mixing, the temperature of the melting section is 115±5°C, the temperature of the mixing section is 105±5°C, and the mixture fluid is extruded;

[0075] (3) Cooling, cooling the extruded mixture fluid to room temperature to form a solid mixture;

[0076] (4) Crushing, coarsely crushing the solid obtained in step (3) into particles with a particle size of 0.5-1 cm; then finely grinding it into powder; and sieving to obtain a powder coating with a particle size of 20-35 μm.

[0077] After fine processing and grinding into powder in step (4), aluminum oxide powder is added before sieving.

[0078] The use method of conductive spraying powder comprises the following steps:

[0079] Step 1. Evenly spray the con...

Embodiment 6

[0082] Conductive spraying powder, the difference between embodiment 6 and embodiment 4 is that 10% Al(OH) is also added in the auxiliary agent 3 ;Al(OH) 3 The purity of the powder is greater than 99.5%, the particle size is below 3000 mesh, and the particle size of the prepared powder coating is 20-35 μm.

Embodiment 7

[0084]Conductive spray powder, the difference between embodiment 7 and embodiment 4 is that the auxiliary agent contains 5% by weight of bentonite, and the rest is barium sulfate and pigment.

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Abstract

The invention relates to the technical field of powder coatings, in particular to a conductive spray powder, a preparation method, a preparation system and a use method. Its raw materials include the following components by weight percentage: polyester resin 55-65%, polyester resin curing agent 4-6%, benzoin or polypropylene wax 0.3%, leveling agent 1%, titanium dioxide 0-20%, spherical Conductive powder 6-15%, the balance additives; spherical conductive powder contains titanium dioxide and tin dioxide with a weight ratio greater than 13:7, and the particle size of the spherical conductive powder is below 0.3 μm; the oil absorption of the spherical conductive powder is less than 45g / 100g, the resistivity is less than 10Ω·cm; additives include pigments; raw materials also contain 0.3‑1% aluminum oxide powder. The powder prepared from the above raw materials has good electrical conductivity, weather resistance, salt spray resistance, and adhesion. When sprayed on the surface of the object to be sprayed, the surface is smooth and smooth, and the leveling effect is good.

Description

technical field [0001] The invention relates to the technical field of powder coatings, in particular to a conductive spray powder, a preparation method, a preparation system and a use method. Background technique [0002] With the development of the Internet, more and more people start to shop online, and logistics companies store more and more courier items. In order to make more reasonable use of space, many courier racks are generally placed in the warehouse. In order to improve the firmness of the courier racks Performance, express delivery racks are generally made of metal materials, and the outer surface of the metal material should be sprayed with paint or paint, so that the metal express delivery racks are not easy to rust. Among them, the paint has a strong smell and is not environmentally friendly; powder coatings are dry solid powders that do not contain organic solvents. It is a new type of coating that uses air as a dispersion medium to evenly coat the surface...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/20H01B13/00B29B9/06
CPCB29B9/06H01B1/20H01B13/00
Inventor 袁观进魏风娟陈龙
Owner 深圳市锦耀达环保材料有限公司
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