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High-performance thermosetting polyester powder coating

A powder coating and thermosetting technology, applied in powder coatings, polyester coatings, anti-corrosion coatings, etc., can solve the problems of cracks and embrittlement, shorten the service life of the coating film, and reduce the mechanical properties of the coating film, so as to improve the hardness and improve the mechanical properties of the coating film. Compatibility, effect of low surface tension

Active Publication Date: 2015-11-18
黄山佳杰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

However, when it is used in an outdoor environment, it is often affected by climatic factors such as rainwater and humidity, resulting in a decrease in the mechanical properties of the coating film, cracks and embrittlement. At the same time, water easily diffuses into the coating film of the polyester powder coating to make the polyester resin Hydrolysis of the ester group, which shortens the service life of the coating film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of high-performance thermosetting polyester powder coating proposed by the present invention, its raw material comprises the following components by weight: 50 parts of carboxyl-terminated polyester resin, 7.6 parts of fluorine-containing polyester resin, 9 parts of epoxy resin, carboxyl-terminated butyl 11 parts of nitrile rubber, 4 parts of N, N, N', N'-tetra(2-hydroxyethyl) adipamide, 7 parts of tetramethoxymethyl glycoluril, 3 parts of triglycidyl isocyanurate, amino 3.6 parts of resin, 4 parts of 2-phenylimidazoline, 7 parts of 2-methylimidazole, 6.5 parts of chitosan, 3.8 parts of sodium lignosulfonate, 4 parts of starch, 3.5 parts of polyethylene, polyvinyl butyral 8.2 parts, 10 parts of nano-titanium dioxide, 7 parts of alumina, 3.8 parts of zinc borate, 6.5 parts of mica iron oxide, 2.6 parts of montmorillonite, 7 parts of nano-silver, 3.2 parts of activated carbon powder, 5.3 parts of lanthanum oxide, 3 parts of additives;

[0021] Wherein, the acid val...

Embodiment 2

[0024] A high-performance thermosetting polyester powder coating proposed by the present invention, its raw materials include the following components by weight: 52 parts of hydroxyl-terminated polyester resin, 7 parts of fluorine-containing polyester resin, 10 parts of epoxy resin, carboxyl-terminated butyl 10 parts of nitrile rubber, 5 parts of N, N, N', N'-tetrakis (2-hydroxyethyl) adipamide, 6 parts of tetramethoxymethyl glycoluril, 4 parts of triglycidyl isocyanurate, amino 3 parts of resin, 4.5 parts of 2-phenylimidazoline, 6 parts of 2-methylimidazole, 7 parts of chitosan, 3 parts of sodium lignosulfonate, 4.5 parts of starch, 3 parts of polyethylene, polyvinyl butyral 9 parts, 8 parts of nano-titanium dioxide, 8 parts of aluminum oxide, 3 parts of zinc borate, 7 parts of mica iron oxide, 2 parts of montmorillonite, 9 parts of nano-silver, 2 parts of activated carbon powder, 6 parts of lanthanum oxide, 2 parts of additives;

[0025] Wherein, the molecular weight of the ...

Embodiment 3

[0028] A high-performance thermosetting polyester powder coating proposed by the present invention, its raw materials include the following components by weight: 25 parts of carboxyl-terminated polyester resin, 23 parts of hydroxyl-terminated polyester resin, 8 parts of fluorine-containing polyester resin, cyclic 8 parts of oxygen resin, 12 parts of carboxyl-terminated nitrile rubber, 3 parts of N, N, N', N'-tetrakis (2-hydroxyethyl) adipamide, 8 parts of tetramethoxymethyl glycoluril, isocyanuric acid 2.5 parts of triglycidyl ester, 4.5 parts of amino resin, 3 parts of 2-phenylimidazoline, 9 parts of 2-methylimidazole, 5 parts of chitosan, 4 parts of sodium lignosulfonate, 3 parts of starch, 4 parts of polyethylene 7 parts of polyvinyl butyral, 12 parts of nano-titanium dioxide, 6 parts of aluminum oxide, 4 parts of zinc borate, 6 parts of mica iron oxide, 3 parts of montmorillonite, 6 parts of nano-silver, 3.8 parts of activated carbon powder, lanthanum oxide 4 parts, 3.5 pa...

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Abstract

The discloses a high-performance thermosetting polyester powder coating which comprises the raw materials: pure polyester resin, fluorinated polyester resin, epoxy resin, terminal carboxyl nitrile rubber, N,N,N,N'-tetra(2-ethoxyl) adipamide, tetramethoxyl methyl glycoluril, triglycidyl isocyanurate, amino resin, phenyl-2-imidazoline, 2-methylimidazole, chitosan, sodium lignin sulfonate, starch, polyethylene, polyvinyl butyral, nano titanium dioxide, aluminium oxide, zinc borate, mica iron oxide, montmorillonite, nanosilver, activated carbon powder, lanthanum oxide and auxiliaries. The high-performance thermosetting polyester powder coating disclosed by the invention is good in water resistance, oil resistance and heat resistance and excellent in weather resistance, acid and alkaline corrosion resistance and pollution resistance, and is good in comprehensive performance and long in service life if being used as an outdoor coating.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a high-performance thermosetting polyester powder coating. Background technique [0002] Powder coating is a new type of coating that does not contain solvents and is applied in powder form to form a coating film. Compared with traditional solvent-based coatings, powder coatings emit almost zero organic solvent volatiles (VOC) during curing, avoiding environmental pollution; at the same time, powder coatings have high utilization rate, good coating performance and easy implementation Advantages such as automated coating have achieved rapid development in recent years. [0003] According to the properties of the film-forming substances of powder coatings, powder coatings can be divided into thermoplastic powder coatings and thermosetting powder coatings. Among them, polyester powder coatings are a kind of thermosetting powder coatings with excellent performance developed in rece...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D163/00C09D163/02C09D113/00C09D129/14C09D5/03C09D5/10C09D5/16C09D7/12
Inventor 邱华岭
Owner 黄山佳杰新材料科技有限公司
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