Corrosion-resisting thermosetting powder coating

A thermosetting powder, corrosion-resistant technology, used in powder coatings, anti-corrosion coatings, polyester coatings, etc., can solve the problems of poor corrosion resistance, poor weather resistance, poor durability, etc., to improve the curing rate and curing speed. , the effect of improving mechanical properties

Inactive Publication Date: 2015-11-18
安徽圣德建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of society, the performance of existing powder coatings can no longer meet the requirements of use, such as poor corrosion resistance, poor weather resistance, poor durability, etc., which need to be modified

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A corrosion-resistant thermosetting powder coating proposed by the present invention, its raw materials include the following components by weight: 50 parts of epoxy acrylic resin, 35 parts of vinyl chloride, 8 parts of carboxyl-terminated polyester resin, 5 parts of isocyanate, dimethacrylic acid 3 parts of methyl amino ethyl ester, 20 parts of hexafluorobutyl methacrylate, 1 part of 2-hydroxy-4-n-octyloxybenzophenone, tetrabutylammonium-di[methyl-phthalic disulfide] 2.5 parts of copper, 2 parts of tetradecanedioic acid, 3 parts of adipic acid, 1 part of calcium stearate, 5 parts of lanthanum stearate, 10 parts of tetraacicular zinc oxide whiskers, 10 parts of nano-zinc oxide, carbon 1 part of black, 10 parts of organically modified montmorillonite, 3 parts of corrosion inhibitor, 0.5 part of defoamer, 0.1 part of leveling agent, 0.8 part of degassing agent; the corrosion inhibitor is 2-mercaptobenzo Combinations of imidazole, methylbenzotriazole, 2-mercaptobenzothiazo...

Embodiment 2

[0022]A corrosion-resistant thermosetting powder coating proposed by the present invention, its raw materials include the following components by weight: 80 parts of epoxy acrylic resin, 20 parts of vinyl chloride, 20 parts of carboxyl-terminated polyester resin, 1 part of isocyanate, dimethacrylic acid 20 parts of methyl amino ethyl ester, 5 parts of hexafluorobutyl methacrylate, 4 parts of 2-hydroxy-4-n-octyloxybenzophenone, tetrabutylammonium-di[methyl-phthalic disulfide] 1 part of copper, 5 parts of tetradecanedioic acid, 0.5 part of adipic acid, 5 parts of calcium stearate, 3 parts of lanthanum stearate, 25 parts of tetraacicular zinc oxide whiskers, 2 parts of nano-zinc oxide, carbon 8 parts of black, 4 parts of organically modified montmorillonite, 12 parts of corrosion inhibitor, 0.1 part of defoamer, 0.8 part of leveling agent, 0.2 part of degassing agent; wherein, the corrosion inhibitor is 2-mercaptan A combination of benzimidazole, methylbenzotriazole, 2-mercaptobe...

Embodiment 3

[0024] A corrosion-resistant thermosetting powder coating proposed by the present invention, its raw materials include the following components in parts by weight: 70 parts of epoxy acrylic resin, 30 parts of vinyl chloride, 15 parts of carboxyl-terminated polyester resin, 4 parts of isocyanate, dimethacrylic acid 12 parts of methyl amino ethyl ester, 13 parts of hexafluorobutyl methacrylate, 3 parts of 2-hydroxy-4-n-octyloxybenzophenone, tetrabutylammonium-bis[methyl-phthalate disulfide] 1.7 parts of copper, 4.2 parts of tetradecanedibasic acid, 2.3 parts of adipic acid, 4 parts of calcium stearate, 4.2 parts of lanthanum stearate, 20 parts of tetraacicular zinc oxide whiskers, 7.8 parts of nano-zinc oxide, carbon Black 6.7 parts, organically modified montmorillonite 8.2 parts, corrosion inhibitor 9 parts, defoamer 0.4 parts, leveling agent 0.6 parts, degassing agent 0.6 parts;

[0025] Wherein, the epoxy value of the epoxy acrylic resin is 0.3; the average particle diameter ...

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PUM

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Abstract

The invention discloses a corrosion-resisting thermosetting powder coating which comprises the raw materials: epoxy acrylate resin, chloroethylene, terminal carboxyl polyester resin, isocyanate, dimethylamino-ethyl methacrylate, hexafluorobutyl methacrylate, 2-hydroxy-4-n-octyloxybenzophenone, tetrabutylammonium-bis(methyl-o-benzenedithio) complex copper, tetradecanedioic acid, adipic acid, calcium stearate, lanthanum stearate, tetrapod-shaped zno whiskers, nano zinc oxide, carbon blakc, organically modified montmorillonite, a corrosion inhibitor, a defoamer, a leveling agent and a degassing agent. The corrosion-resisting thermosetting powder coating disclosed by the invention is good in storage stability, is excellent in coating corrosion resistance, water resistance and weather resistance if being cured, and is high in mechanical property.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a corrosion-resistant thermosetting powder coating. Background technique [0002] In terms of its film-forming substances and curing mechanism, powder coatings can be divided into two categories: thermoplastic and thermosetting. Thermoplastic powder coatings use thermoplastic resin as the film-forming substance. When the temperature rises to a certain temperature, the resin melts and flows. There is no cross-linking reaction during the powder film-forming process, and the chemical composition does not change; while thermosetting powder coatings use thermosetting synthetic resin as the film-forming material. Substances, that is, some resins with a lower degree of polymerization containing active functional groups, when the temperature rises to a certain temperature, the resin melts and flows, and cross-links and solidifies with the curing agent. [0003] The resin used in thermo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D167/00C09D7/12C09D5/03C09D5/08
Inventor 邱华岭
Owner 安徽圣德建材科技有限公司
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