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Matte powder coating and preparation method thereof

A powder coating and matte technology, used in powder coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve problems such as affecting the display of internal paint and poor paint leveling performance, eliminating pinhole defects and improving paint fineness. degree, the effect of eliminating bubbles

Inactive Publication Date: 2020-01-07
秦皇岛艾科晟科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The surface of the wheel hub is often coated with a layer of anti-corrosion paint to protect the wheel hub from corrosion. The paint is required to be transparent. Low opacity will affect the display of internal paint

Method used

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  • Matte powder coating and preparation method thereof
  • Matte powder coating and preparation method thereof
  • Matte powder coating and preparation method thereof

Examples

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preparation example Construction

[0033] A preparation method of matte powder coating includes the following steps:

[0034] 1) Weigh epoxy resin, latent dicyandiamide, imidazole accelerators, leveling agents, pigments, and air-permeable agents in proportion to mix and crush them to obtain mixture A;

[0035] 2) Crush the benzoin to obtain benzoin powder;

[0036] 3) Mix the filler, benzoin and hydrogenated castor oil in step 2) according to the proportion to obtain mixture B;

[0037] 4) Put Mixture A and Mixture B in a mixer to mix evenly, pulverize and sieve in a pulverizer to obtain a matte powder coating.

[0038] Further, the particle size of the powder coating obtained in step 4) is 800-1200 nm.

[0039] As shown below, Table 1 is the content of each component in different embodiments of the formula and the content of each component in two comparative examples;

[0040] Table 1 The content of each component

[0041]

[0042]

[0043] The finished coatings were prepared according to the content of each component in T...

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Abstract

The invention provides a matte powder coating. The matte powder coating comprises the components: epoxy resin, latent dicyandiamide, a leveling agent, a pigment, a filler and a ventilating agent; thecomponents also comprise wax powder and benzoin. The coating has the beneficial effects that a smooth and transparent bright film layer can be formed after the coating is sprayed on a hub, the film layer has good leveling property and high transparency, the display of an internal colored paint is not influenced, and the film layer has relatively strong corrosion resistance.

Description

Technical field [0001] The invention belongs to the technical field of paint preparation, and particularly relates to a matte powder paint and a preparation method thereof. Background technique [0002] The hub is a cylindrical metal part in the car tire that uses the shaft as the center to support the tire. In layman's terms, it is the part where the axle is installed in the center of the wheel. It is an important component connecting the brake drum (brake disc), the wheel disc and the axle shaft. part. The main advantages of steel wheels are simple manufacturing process, relatively low cost, and strong resistance to metal fatigue, which is what we commonly call cheap and strong. However, the disadvantages of steel wheels are relatively prominent. They are heavy, inertial resistance is large, heat dissipation is relatively poor, and they are very easy to rust. [0003] Alloy wheels can just make up for this problem. They have lighter weight, low inertial resistance, high manufac...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/03C09D7/61C09D7/65C09D7/63C09D5/08C08G59/68C08G59/50
CPCC08G59/504C08G59/686C08K2003/2227C08K2003/265C08L2201/10C09D5/032C09D5/033C09D5/08C09D163/00C08L23/06C08L91/00C08K13/02C08K3/36C08K3/22C08K3/26C08K5/07
Inventor 陈彦广蔡景坤陈艺文朱银银王玉山
Owner 秦皇岛艾科晟科技有限公司