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Anti-ultraviolet thermosetting powder coating

A technology of thermosetting powder and UV resistance, applied in powder coatings, polyester coatings, coatings, etc., can solve the problems of poor stability of UV coatings, decreased UV resistance, and difficult photooxidation resistance, etc., to improve spraying processing Efficiency, shortened curing time, excellent salt spray resistance effect

Inactive Publication Date: 2019-03-15
宁波爱甬新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In addition, the anti-ultraviolet coatings currently used have poor stability. When used for a long time, with the decomposition and volatilization of the absorbent molecules, the anti-ultraviolet ability of the product decreases, and it is difficult to maintain high photo-oxidation resistance for a long time. Toxicity

Method used

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  • Anti-ultraviolet thermosetting powder coating
  • Anti-ultraviolet thermosetting powder coating
  • Anti-ultraviolet thermosetting powder coating

Examples

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Embodiment 1

[0039] A thermosetting powder coating resistant to ultraviolet rays, which includes the following raw materials in parts by weight:

[0040]

[0041]

Embodiment 2

[0043]A thermosetting powder coating resistant to ultraviolet rays, which includes the following raw materials in parts by weight:

[0044]

Embodiment 3

[0046] A thermosetting powder coating resistant to ultraviolet rays, which includes the following raw materials in parts by weight:

[0047]

[0048]

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PUM

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Abstract

The invention relates to an anti-ultraviolet thermosetting powder coating. The anti-ultraviolet thermosetting powder coating provided by the invention is prepared from the following raw materials in parts by weight: 20 to 60 parts of FEVE fluorocarbon resin, 20 to 60 parts of polyester resin, 2 to 10 parts of a poly polyisocyanate curing agent, 0.1 to 1 part of a benzotriazole ultraviolet absorbent, 0.5 to 3 parts of rutile nano titanium dioxide, 5 to 20 parts of calcium carbonate, 5 to 20 parts of barium sulfate, 0.5 to 3 parts of a leveling agent, 0.1 to 0.5 parts of a pigment, 0.1 to 0.5 part of a degassing agent and 0.5 to 3 parts of a wetting promoter. According to the coating provided by the invention, the FEVE fluorocarbon resin and the polyester resin are combined, and the benzotriazole ultraviolet absorber and the rutile nano carbon dioxide are added, so that the anti-ultraviolet thermosetting powder coating with relatively low raw material cost, high cost performance, environmental protection, safety, non-toxicity, excellent anti-ultraviolet performance, high stability and long-term retention of high photooxidation resistance and aging resistance is obtained.

Description

technical field [0001] The invention belongs to the field of thermosetting powder coatings, in particular, the invention relates to an ultraviolet-resistant thermosetting powder coating. Background technique [0002] UV-resistant coatings are mainly used to absorb and block ultraviolet rays or capture free radicals caused by ultraviolet radiation to prevent molecular breakage. They have good UV resistance, aging resistance and weather resistance for wall surfaces, automotive coatings, and outer packaging materials. sex. However, most of the anti-ultraviolet coatings currently used are solvent-based coatings or thermoplastic powder coatings, which often release VOC (volatile organic compounds), and the release of VOC will pollute the environment and even affect human health. [0003] Thermosetting powder coatings have become the "4E type" (high production efficiency, excellent coating performance, Eco-friendly, economical) coatings. At present, it is mainly used in metal c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D167/00C09D7/61C09D7/48C09D5/03
CPCC09D127/12C08K2003/2241C08K2003/265C08K2003/3045C08K2201/011C08L2201/08C09D5/033C09D167/00C08L67/00C08K3/22C08K3/26C08K3/30C08K5/3475C08L27/12
Inventor 夏行
Owner 宁波爱甬新材料科技有限公司
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