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Corrosion-resistant thermosetting powder coating

A thermosetting powder, corrosion-resistant technology, applied in powder coatings, anti-corrosion coatings, polyester coatings, etc., can solve problems such as poor corrosion resistance, poor wettability and adhesion, and achieve excellent UV resistance and aging resistance performance, improvement of poor wettability, and improvement of mechanical properties

Inactive Publication Date: 2021-02-05
东莞市科能实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing thermosetting powder coatings have poor wetting and adhesion and poor corrosion resistance

Method used

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  • Corrosion-resistant thermosetting powder coating
  • Corrosion-resistant thermosetting powder coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A corrosion-resistant thermosetting powder coating, which comprises the following components by weight: 45 parts of polyester resin, 6 parts of fluorocarbon resin, 7 parts of nano titanium dioxide, 9 parts of nano silicon dioxide, and 7 parts of curing agent , 0.45 parts of dispersant, 0.3 parts of defoamer, 0.2 parts of degassing agent, 0.5 parts of leveling agent, 0.8 parts of pigment and 7 parts of corrosion resistance agent.

[0025] Preferably, the curing agent is methyl ethyl ketone peroxide.

[0026] Preferably, the pigment is an ordinary inorganic pigment, an inorganic ceramic pigment, an organic pigment or a lead pigment.

[0027] Preferably, the dispersant is a polyester hyperdispersant.

[0028] Preferably, the defoamer is a polyether modified silicone defoamer.

[0029] Preferably, the degassing agent is benzoin.

[0030] Preferably, the leveling agent is a silicone leveling agent.

[0031] Preferably, the anti-corrosion agent is aluminum zinc phosphomol...

Embodiment 2

[0036] The preparation method of the corrosion-resistant thermosetting powder coating in this embodiment is the same as in Example 1, and the corrosion-resistant thermosetting powder coating in this embodiment includes the following components by weight: 46 parts of polyester resin, 8 parts of fluorocarbon resin, nano 7.5 parts of titanium dioxide, 10 parts of nano-silica, 8 parts of curing agent, 0.5 parts of dispersant, 0.4 parts of defoamer, 0.3 parts of degassing agent, 0.53 parts of leveling agent, 1 part of pigment and 7.8 parts of corrosion resistance agent.

[0037] Preferably, the curing agent is methyl ethyl ketone peroxide.

[0038] Preferably, the pigment is an ordinary inorganic pigment, an inorganic ceramic pigment, an organic pigment or a lead pigment.

[0039] Preferably, the dispersant is a polyester hyperdispersant.

[0040] Preferably, the defoamer is a polyether modified silicone defoamer.

[0041] Preferably, the degassing agent is benzoin.

[0042] Pre...

Embodiment 3

[0045] The preparation method of the corrosion-resistant thermosetting powder coating in this embodiment is the same as in Example 1, and the corrosion-resistant thermosetting powder coating in this embodiment includes the following components by weight: 40 parts of polyester resin, 5 parts of fluorocarbon resin, nano 5 parts of titanium dioxide, 8 parts of nano-silica, 6 parts of curing agent, 0.4 parts of dispersing agent, 0.2 parts of defoaming agent, 0.2 parts of degassing agent, 0.4 parts of leveling agent, 0.5 parts of pigment and 6 parts of corrosion resistance agent.

[0046] Preferably, the curing agent is methyl ethyl ketone peroxide.

[0047] Preferably, the pigment is an ordinary inorganic pigment, an inorganic ceramic pigment, an organic pigment or a lead pigment.

[0048] Preferably, the dispersant is a polyester hyperdispersant.

[0049] Preferably, the defoamer is a polyether modified silicone defoamer.

[0050] Preferably, the degassing agent is benzoin.

...

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Abstract

The invention relates to the technical field of thermosetting powder coatings, in particular to a corrosion-resistant thermosetting powder coating. The corrosion-resistant thermosetting powder coatingcomprises the following components in parts by weight: 40-53 parts of polyester resin, 5-9 parts of fluorocarbon resin, 5-8 parts of nano titanium dioxide, 8-12 parts of nano silicon dioxide, 6-8 parts of a curing agent, 0.4-0.6 part of a dispersing agent, 0.2-0.4 part of an antifoaming agent, 0.2-0.3 part of a degassing agent, 0.4-0.6 part of a leveling agent, 0.5-1 part of a pigment and 6-8 parts of a corrosion inhibitor. The invention aims to provide the corrosion-resistant thermosetting powder coating. The corrosion-resistant thermosetting powder coating has excellent corrosion resistance, weather resistance and aging resistance.

Description

technical field [0001] The invention relates to the technical field of thermosetting powder coatings, in particular to a corrosion-resistant thermosetting powder coating. Background technique [0002] 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 coating, household appliances, automobiles, aluminum materials and other fields. According to statistics, the consumption of thermosetting powder coatings in my country was 1.05 million tons in 2012, 1.12 million tons in 2013, 1.24 million tons in 2014, 1.35 million tons in 2015, and 1.42 million tons in 2016. The annual sales volume reaches 1.605 million tons, showing an increasing trend year by year. Thermosetting powder coatings mainly include epoxy resin powder coatings, polyester powder coatings, polyurethane powder coatings, acrylic powder coatings, fluorocarbon powder coatings, hyb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D127/12C09D183/04C09D5/03C09D5/08C09D7/65C09D7/61C09D5/33C09D7/47
CPCC08K2003/2241C08K2003/2296C08K2003/3045C08K2003/327C08K2201/011C08L2201/08C08L2205/025C08L2205/035C09D5/004C09D5/033C09D5/08C09D167/00C09D7/47C08L27/12C08L67/00C08L83/04C08K13/02C08K3/22C08K3/36C08K3/32C08K3/30C08K3/24
Inventor 叶王友
Owner 东莞市科能实业有限公司
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