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Sand pattern powder coating for aluminum profiles as well as preparation method and application thereof

A technology for powder coatings and aluminum profiles, applied in powder coatings, polyester coatings, coatings, etc., can solve problems such as loss of decorative effect, easy scratches during handling, and achieve smooth hand feel, not easy to scratch, and reduce costs. Effect

Inactive Publication Date: 2012-11-14
广东华江粉末科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing powder coatings are high-gloss, semi-gloss or low-gloss series in appearance, which are prone to scratches during handling, construction and use; under atmospheric conditions, due to aging and chalking, they will lose their luster quickly. the original decorative effect

Method used

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  • Sand pattern powder coating for aluminum profiles as well as preparation method and application thereof
  • Sand pattern powder coating for aluminum profiles as well as preparation method and application thereof
  • Sand pattern powder coating for aluminum profiles as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026]

[0027] Among them, the saturated carboxyl-terminated polyester resin was purchased from Dixing Resin (Kunshan) Co., Ltd.;

[0028] (1) Put the above percentage of raw materials into the mixing tank and pre-mix for 3 minutes;

[0029] (2) Use a twin-screw extruder to melt, knead, and disperse the premixed raw materials evenly and extrude them. The temperature in zone I of the extruder is 115°C, and the temperature in zone II is 105°C. ℃; and pressed into flakes;

[0030] (3) After the flakes are cooled to room temperature, they are crushed, and then the crushed flakes are crushed with an ACM mill, and the particle size of the powder is 10-100 microns;

[0031] (4) Sieve the finely pulverized material with a rotary sieve until the average particle size is 25 microns to obtain a sand grain powder coating for aluminum profiles.

[0032] Various performance tests were carried out on the sand grain powder coating for aluminum profiles obtained above, and the results ar...

Embodiment 2

[0038]

[0039] Among them, the saturated carboxyl-terminated polyester resin was purchased from Dixing Resin (Kunshan) Co., Ltd.;

[0040] (1) Put the above raw materials into the mixing tank and pre-mix for 3 minutes;

[0041] (2) Use a twin-screw extruder to melt, knead, disperse and extrude the premixed raw materials. The temperature in zone I of the extruder is 120°C, and the temperature in zone II is 110°C. ℃; and pressed into flakes;

[0042] (3) After the flakes are cooled to room temperature, they are crushed, and then the crushed flakes are crushed with an ACM mill, and the particle size of the powder is 10-100 microns;

[0043] (4) Sieve the finely pulverized material with a rotary sieve until the average particle size is 27 microns to obtain a sand grain powder coating for aluminum profiles.

[0044] Various performance tests were carried out on the sand grain powder coating for aluminum profiles obtained above, and the results are as follows:

[0045] Indent...

Embodiment 3

[0050]

[0051]

[0052] Among them, the saturated carboxyl-terminated polyester resin was purchased from Dixing Resin (Kunshan) Co., Ltd.;

[0053] (1) Put the above raw materials into the mixing tank and pre-mix for 4 minutes;

[0054] (2) Use a twin-screw extruder to melt, knead, and disperse the premixed raw materials evenly and extrude them. The temperature in zone I of the extruder is 125°C, and the temperature in zone II is 115°C. ℃; and pressed into flakes;

[0055] (3) After the flakes are cooled to room temperature, they are crushed, and then the crushed flakes are crushed with an ACM mill, and the particle size of the powder is 10-100 microns;

[0056] (4) Sieve the finely pulverized material with a rotary sieve to an average particle size of 35 microns to obtain a sand grain powder coating for aluminum profiles.

[0057] Various performance tests were carried out on the sand grain powder coating for aluminum profiles obtained above, and the results are as f...

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Abstract

The invention belongs to the technical field of new materials and discloses a sand pattern powder coating for aluminum profiles as well as a preparation method and application thereof. The coating is prepared from the following raw materials in percentage by weight: 50-60% of saturated carboxyl polyester resin, 3.7-4.5% of triglycidyl isocyanurate, 17-27% of titanium dioxide, 13-20% of precipitated barium sulfate, 0.2-1.5% of bentonite, 0.2-0.7% of sand pattern agent, 0.3% of carbon black, 0.1-0.2% of pink and 0.1-0.2% of phthalocyanine blue. The preparation method comprises the following steps of: putting the raw materials into a mixing cylinder and premixing the raw materials; carrying out melt extrusion on the premixed raw materials and then pressing the materials into flakes; cooling the flakes to room temperature, crushing the flakes and then carrying out fine crushing; and screening the finely crushed materials to obtain the product.

Description

technical field [0001] The invention belongs to the technical field of new materials, and relates to a powder coating and a preparation method thereof, in particular to a sand grain powder coating for aluminum profiles and a preparation method thereof. Background technique [0002] Most of the existing powder coatings are high-gloss, semi-gloss or low-gloss series in appearance, which are prone to scratches during handling, construction and use; under atmospheric conditions, due to aging and chalking, they will lose their luster quickly. the original decorative effect. With the development of the economy, the advancement of technology and continuous innovation, a variety of texture additives that can change the appearance of the coating film have been developed. Adding such additives can make the surface of the coating film such as: patterns, hammer patterns, turtles, etc. Texture effects such as grain and sand grain. So that the powder coating ornaments are more colorful....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D7/12C09D5/03C09D5/28
Inventor 魏育福马传安蔡英进蔡劲树李会宁
Owner 广东华江粉末科技有限公司
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