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High-temperature-resistant powder coating

A technology of powder coating and high temperature resistance, applied in the direction of powder coating, coating, etc., can solve the problems of harsh construction conditions, unfriendly environment, large waste, etc., and achieve simple pre-treatment requirements, avoid gelling and deterioration, and optimize the environment Effect

Inactive Publication Date: 2016-10-12
TAISHAN GUANG AN LIN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, liquid paint is still used for 600°C heat-resistant coatings on the market, and liquid paint is wasteful when applied, and the solvent is highly toxic when it evaporates. It is not friendly to the environment, and the construction conditions are harsh.

Method used

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  • High-temperature-resistant powder coating

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Effect test

Embodiment 1

[0047] Embodiment 1 high temperature resistant powder coating

[0048] High temperature resistant powder coatings, by mass percentage, its raw materials are composed of the following components:

[0049] Solid silicone resin: 50%

[0050] Curing agent: 5%, the curing agent is polyvinyl butyral resin;

[0051] Strontium chromate powder: 3.5%

[0052] Zinc phosphate powder: 5%

[0053] Flaky mica powder: 33.5%

[0054] Other additives: 3%, based on the mass percentage of high-temperature-resistant powder coatings, the remaining additives are composed of 2% flow control agent of methyl methacrylate and ethyl acrylate copolymer and 1% benzoin degasser ; The product model of the flow control agent is PV88.

[0055] In the preparation of high-temperature resistant powder coatings in this example, the raw materials are mixed in a high-speed mixer, then extruded through a high-speed extruder and cooled by a tablet press, and then ground into a particle size of 30-35 μm by an ACM ...

Embodiment 2

[0058] Embodiment 2 high temperature resistant powder coating

[0059] High temperature resistant powder coatings, by mass percentage, its raw materials are composed of the following components:

[0060] Solid silicone resin: 46%

[0061] Curing agent: 6%, the curing agent is polyvinyl butyral resin;

[0062] Strontium chromate powder: 4%

[0063] Zinc Phosphate Powder: 6%

[0064] Flaky mica powder: 36%

[0065] Other additives: 2%, based on the mass percentage of the high-temperature-resistant powder coating, the remaining additives are composed of 1.2% flow control agent of methacrylic acid monomer and 0.8% diphenylethanolone degasser.

[0066] In the preparation of high-temperature resistant powder coatings in this example, the raw materials are mixed in a high-speed mixer, then extruded through a high-speed extruder and cooled by a tablet press, and then ground into a particle size of 30-35 μm by an ACM airflow turbine mill. fine particle powder coating.

Embodiment 3

[0067] Embodiment 3 high temperature resistant powder coating

[0068] High temperature resistant powder coatings, by mass percentage, its raw materials are composed of the following components:

[0069] Solid silicone resin: 54%

[0070] Curing agent: 4%, the curing agent is polyvinyl butyral resin;

[0071] Strontium chromate powder: 3%

[0072] Zinc Phosphate Powder: 4%

[0073] Flaky mica powder: 32.5%

[0074] Other additives: 1.5%, based on the mass percentage of the high-temperature-resistant powder coating, the remaining additives are composed of 1% flow control agent of methyl methacrylate monomer and 0.5% xylyl ethanol ketone degasser.

[0075] In the preparation of high-temperature resistant powder coatings in this example, the raw materials are mixed in a high-speed mixer, then extruded through a high-speed extruder and cooled by a tablet press, and then ground into a particle size of 30-35 μm by an ACM airflow turbine mill. fine particle powder coating.

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Abstract

The invention discloses a high-temperature-resistant powder coating. The high-temperature-resistant powder coating is prepared from, by mass, 41-62% of solid silicone resin, 3-7% of a curing agent, 2.5-5% of strontium chromate powder, 3-7% of zinc phosphate powder, 26-39% of lamellar mica powder and 1-4% of other auxiliaries. The high-temperature-resistant powder coating can completely replace liquid paint for painting and has the advantages that no volatile organic solvent is contained, no toxin exists, and the '4E' green principle for environmental protection is met; the coating can be recycled, the coating without workpieces adsorbed can be sprayed again, and the utilization rate of the coating is close to 100%; the painting work environment is optimized, an operator only needs to wear a conventional dustproof mask, and no pungent smell or toxin caused by paint painting exists in a work site; the shelf life of the coating is prolonged and can reach up to 1 year; the requirement for pretreatment of workpieces in painting work is simple, and both sanding treatment and parkerizing treatment are allowed.

Description

technical field [0001] The invention relates to a powder coating, in particular to a high-temperature-resistant powder coating used for high-temperature parts such as ovens, exhaust pipes of automobiles and motorcycles. Background technique [0002] At present, the 600°C temperature-resistant coatings on the market still use liquid paints, but liquid paints are wasteful when applied, highly toxic when the solvent evaporates, unfriendly to the environment, and require harsh construction conditions. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art and provide high temperature resistant powder coatings. [0004] In order to realize the above-mentioned purpose of the invention, the present invention provides the following technical solutions: [0005] High temperature resistant powder coatings, by mass percentage, its raw materials are composed of the following components: [0006] Solid ...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D5/03C09D7/12
CPCC09D183/04C08L2201/08C08L2205/03C09D5/033C08L29/14C08K3/24C08K2003/328C08K7/00C08K3/34
Inventor 刘敏辉
Owner TAISHAN GUANG AN LIN CHEM CO LTD
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