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Powder coating with ultrahigh weather-proof extinction effect

A technology of powder coating and weather resistance, which is applied in the direction of powder coating, epoxy resin coating, coating, etc., which can solve the problems of products that cannot realize coating film matting, achieve excellent super weather resistance effect, achieve weather resistance, smooth and delicate surface effect

Active Publication Date: 2020-03-27
TIGER NEW SURFACE MATERIALS QINGYUAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention also discloses the application of the polyester resin composition; however, the glossiness that can be achieved by the matting system using polyesters with different acid values ​​is usually in the range of 18-45°, and the glossiness cannot be realized due to the limitation of the system itself. Coated film matting products below 10 ゜
[0006] The applicant found that the existing powder coating products could not meet the dual requirements of at least 1500 hours of resistance to xenon lamp, its gloss retention rate should still be above 90%, and its glossiness range should be below 10 ゜. The subject focuses on research and development of this product

Method used

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  • Powder coating with ultrahigh weather-proof extinction effect
  • Powder coating with ultrahigh weather-proof extinction effect
  • Powder coating with ultrahigh weather-proof extinction effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Embodiment 1: the raw material formula of present embodiment 1 adopts following table 2:

[0048] Table 2: the raw material formula table of the present embodiment 1

[0049]

[0050]

[0051] Prepare the raw materials of powder coating A component and powder coating B component according to the formula in the above table 2, and then prepare them respectively through the known powder coating preparation process, and then mix powder coating A component and powder coating B component according to 1:1 The weight ratio is dry mixed to obtain a powder coating with ultra-high weather resistance and matting effect.

Embodiment 2

[0052] Embodiment 2: the raw material formula of present embodiment 2 adopts following table 3:

[0053] Table 3: the raw material formula table of the present embodiment 2

[0054]

[0055] Prepare the raw materials of powder coating A component and powder coating B component according to the formula in the above table 3, and then prepare them respectively through the known powder coating preparation process, and then mix powder coating A component and powder coating B component according to 0.5:1 The weight ratio is dry mixed to obtain a powder coating with ultra-high weather resistance and matting effect.

Embodiment 3

[0056] Embodiment 3: the raw material formula of present embodiment 3 adopts following table 4:

[0057] Table 4: The raw material formula table of present embodiment 3

[0058]

[0059] Prepare the raw materials of powder coating A component and powder coating B component according to the formula in the above table 4, and then prepare them respectively through the known powder coating preparation process, and then mix powder coating A component and powder coating B component according to 2:1 The weight ratio is dry mixed to obtain a powder coating with ultra-high weather resistance and matting effect.

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Abstract

The invention discloses a powder coating with ultrahigh weather-proof extinction effect, wherein the powder coating comprises the raw materials: a powder coating component A and a powder coating component B, wherein the powder coating component A and the powder coating component B are dry-mixed into a whole and have different curing speeds; the powder coating component A is composed of the raw materials: a first polyester resin and a curing agent capable of carrying out curing reaction with the first polyester resin; the powder coating component B is composed of the raw materials: second polyester resin and acrylic resin containing epoxy groups, wherein the acrylic resin and the second polyester resin can be subjected to curing reaction. The powder coating is prepared from the powder coating component A and the powder coating component B through a dry mixing process; the acid value range of the first polyester resin is not less than 15, and the acid value range of the second polyesterresin is not less than 15. By adopting a polyester curing system dry-mixed polyester and acrylic resin curing system, a coating extinction product with the gloss not higher than 10 degrees can be realized at the same time, and meanwhile, a quite excellent super weather-proof effect is achieved.

Description

technical field [0001] The invention belongs to the field of thermosetting powder coatings, and in particular relates to a powder coating with ultra-high weather resistance and matting effect. Background technique [0002] In recent years, the society has paid more and more attention to issues such as the environment, safety, and energy. In order to cooperate with the automotive industry in energy conservation and emission reduction, the development of environmentally friendly automotive coatings and the promotion of clean production of automotive coating processes have become the focus of automotive coating production and coating companies. . [0003] Specifically, the decorative parts of automobiles, especially the exterior parts of high-end automobiles, are basically painted with powder coatings at present. And with people's personalized pursuit of diversity in appearance, there is a demand for various gloss ranges for decorative parts in the market, including powder coa...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D133/04C09D5/03
CPCC09D163/00C09D5/032C08L2205/025C08L2205/03C08L2205/035C08L2201/08C08L33/04C08L63/00C09D167/00C08L67/00C08L33/068
Inventor 汪志成糜震宇
Owner TIGER NEW SURFACE MATERIALS QINGYUAN CO LTD
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