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High-temperature-resistant grit powder coating

A powder coating and high temperature resistant technology, applied in powder coatings, anti-corrosion coatings, polyester coatings, etc., can solve the problems of uneven texture, single variety and poor ornamental quality of powder coatings, and achieve good decorative effect, excellent high temperature resistance and weather resistance. strong effect

Inactive Publication Date: 2016-12-14
苏州翰晨商贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing powder coatings have uneven texture, poor ornamental quality, and a single variety, which is difficult to meet the requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A high-temperature-resistant sand grain powder coating, comprising the following raw materials in parts by weight:

[0036] 10 parts of epoxy resin;

[0037] 10 parts of polyester;

[0038] 8 parts of silicone modified resin;

[0039] 10 parts of barium sulfate;

[0040] 0.5 parts of organic penton soil;

[0041] 1 part of titanium dioxide;

[0042] Wax powder 0.1 part;

[0043] 1.52 parts of auxiliary agent;

[0044] Sand texture agent 0.01 part;

[0045] 0.1 part of metallic pigment.

[0046] In this embodiment, the polyester is a saturated carboxyl polyester resin with a lower acid value, and the auxiliary agent includes 1.2 parts of a leveling agent, 0.12 parts of a curing agent and 0.2 parts of a matting agent, and the metal pigment is modified by a coupling agent. .

Embodiment 2

[0048] A high-temperature-resistant sand grain powder coating, comprising the following raw materials in parts by weight:

[0049] 15 parts of epoxy resin;

[0050] 15 parts of polyester;

[0051] 12 parts of silicone modified resin;

[0052] 20 parts of barium sulfate;

[0053] 0.45 parts of organic penton soil;

[0054] 2 parts of titanium dioxide;

[0055] 0.2 parts of wax powder;

[0056] 1.52 parts of auxiliary agent;

[0057] Sand texture agent 0.07 parts;

[0058] 0.35 parts of metallic pigments.

[0059] In this embodiment, the polyester is a saturated carboxyl polyester resin with a lower acid value, and the auxiliary agent includes 1.2 parts of a leveling agent, 0.12 parts of a curing agent and 0.2 parts of a matting agent, and the metal pigment is modified by a coupling agent. .

Embodiment 3

[0061] A high-temperature-resistant sand grain powder coating, comprising the following raw materials in parts by weight:

[0062] 30 parts of epoxy resin;

[0063] 30 parts of polyester;

[0064] 20 parts of silicone modified resin;

[0065] 30 parts of barium sulfate;

[0066] 5 parts of organic penton soil;

[0067] 5 parts of titanium dioxide;

[0068] 0.8 parts of wax powder;

[0069] 1.52 parts of auxiliary agent;

[0070] Sand texture agent 0.3 parts;

[0071] 0.5 part of metallic pigment.

[0072] In this embodiment, the polyester is a saturated carboxyl polyester resin with a lower acid value, and the auxiliary agent includes 1.2 parts of a leveling agent, 0.12 parts of a curing agent and 0.2 parts of a matting agent, and the metal pigment is modified by a coupling agent. .

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PUM

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Abstract

The invention provides a high-temperature-resistant grit powder coating, which is prepared from the following raw materials in parts by weight: 10-50 parts of epoxy resin, 10-50 parts of polyester, 8-30 parts of silicone-modified resin, 10-40 parts of barium sulfate, 0.5-10 parts of organic bentonite, 1-10 parts of titanium dioxide, 0.1-1 part of wax powder, 0.5-12 parts of accessory ingredient, 0.01-1 part of grit agent and 0.1-1 part of metal pigment. The grit powder coating which is provided by the invention has excellent high temperature resistance and shock resistance and good acid corrosion and alkali corrosion resistance and weather resistance, and also has the advantages of even texture, high ornamental value, good decoration effect and environment protection, and the requirements of protection and decoration can be met.

Description

technical field [0001] The invention relates to the technical field of thermosetting powder coatings, in particular to a high-temperature-resistant sand texture powder coating. Background technique [0002] With the rapid development of outdoor building materials, home appliances and automobiles, the demand for outdoor coating products continues to increase. Whether it is the number of varieties or performance requirements, many new issues have been raised for the coating industry and raw material manufacturers. Due to its high coating efficiency and no pollution, powder coatings occupy a considerable proportion in outdoor weather-resistant coatings. Because the corrosion resistance of powder coating is far better than that of solvent-based coating, the powder coating process is basically adopted for foreign road sign posts. In the early stage of use, epoxy powder coatings with poor weather resistance have been gradually replaced by polyester or acrylic powder coatings. Fo...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D167/00C09D183/04C09D5/03C09D5/08C09D7/12
Inventor 张晨
Owner 苏州翰晨商贸有限公司