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A kind of pure epoxy powder coating for electromagnetic wire coating and preparation method thereof

A technology of epoxy powder and magnet wire, which is applied in the direction of powder coating, epoxy resin coating, coating, etc., can solve the problems of cracking of magnet wire and poor flexibility of coating, and achieve good leveling performance, good flexibility, good looking effect

Active Publication Date: 2018-05-29
GUANGZHOU KINTE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such a solution will cause poor flexibility of the coating, which will cause the magnet wire to crack during use due to the need for self-winding

Method used

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  • A kind of pure epoxy powder coating for electromagnetic wire coating and preparation method thereof
  • A kind of pure epoxy powder coating for electromagnetic wire coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Epoxy equivalent 1500-1800 epoxy resin 200 parts

[0035] Micronized dicyandiamide 4.5 parts

[0036] Acrylic leveling agent PLP-100 2.4 parts

[0037] Benzoin 2.4 parts

[0038] Barium sulfate 10 parts

[0039] Carbon black 3 parts

[0040] Preparation:

[0041] (1) Weighing epoxy resin, micronized dicyandiamide, leveling agent, benzoin, barium sulfate and carbon black in proportion, placed in a mixing tank, fully mixed and crushed to obtain a mixed premixed material;

[0042] (2) The mixed and premixed materials are sent to the twin-screw extruder for extrusion, and the extrusion temperature is controlled between 130-150°C;

[0043] (3) The extruded material is compressed by a tablet machine, cooled, crushed, sieved, and then packed.

Embodiment 2

[0045] Epoxy equivalent 1450-1600 epoxy resin 200 parts

[0046] Micronized dicyandiamide 5 parts

[0047] Acrylic leveling agent PLP-100 2.2 parts

[0048] Benzoin 2.2 parts

[0049] Silica powder 5 parts

[0050] Carbon black 3 parts

[0051] Preparation:

[0052] (1) Weigh epoxy resin, micronized dicyandiamide, leveling agent, benzoin, silicon micropowder and carbon black in proportion, place in a mixing tank, fully mix and crush to obtain a mixed premixed material;

[0053] (2) The mixed and premixed materials are sent to the twin-screw extruder for extrusion, and the extrusion temperature is controlled between 130-140°C;

[0054] (3) The extruded material is compressed by a tablet machine, cooled, crushed, sieved, and then packed.

Embodiment 3

[0056] Epoxy equivalent 2300-3000 epoxy resin 200 parts

[0057] Micronized dicyandiamide 3 parts

[0058] Acrylic leveling agent PLP-100 3 parts

[0059] Benzoin 2.4 parts

[0060] Titanium dioxide 2 parts

[0061] 2 parts organic red pigment

[0062] Preparation:

[0063] (1) Weigh epoxy resin, micronized dicyandiamide, leveling agent, benzoin, titanium dioxide and organic red pigment in proportion, place them in a mixing tank, fully mix and crush to obtain a mixed premixed material;

[0064] (2) The mixed and premixed materials are sent to the twin-screw extruder for extrusion, and the extrusion temperature is controlled between 150-160°C;

[0065] (3) The extruded material is compressed by a tablet machine, cooled, crushed, sieved, and then packed.

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Abstract

The invention discloses a pure epoxy powder coating for electromagnetic wire coating, which comprises the following components in proportion by weight: 200 parts of epoxy resin, 3-6 parts of curing agent, 1-5 parts of auxiliary agent, 0-0 parts of filler 20 parts, 0‑10 parts of pigment. The invention also discloses a preparation method of the powder coating. The cured coating of the powder coating has good flexibility and electrical properties, and also has good insulation properties.

Description

technical field [0001] The invention relates to a pure epoxy powder coating for electromagnetic wire coating, and at the same time, the invention also relates to a preparation method of the powder coating. Background technique [0002] Powder coating is a kind of environment-friendly industrial coating, which has many advantages such as energy saving, resource saving, high efficiency and high performance. It has developed rapidly since entering the 21st century and has been widely used in various fields. [0003] In the field of electromechanical products, the quality of insulating materials is a key factor in determining the quality of motor products. Therefore, in order to ensure the normal operation of the equipment, it is necessary to have high-performance insulating materials to improve the adaptability and service life of the equipment to the working environment. In a motor component, the main parts that need insulation coating are the rotor, stator and the magnet wir...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/03C09D5/25C09D7/61C08G59/50
Inventor 胡百九高庆福许振阳张捷
Owner GUANGZHOU KINTE IND
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