Powder coating on magnalium and PPS (polyphenylene sulfite) spliced substrate and spraying method of powder coating

A magnesium-aluminum alloy and powder coating technology, which is applied in the field of materials, can solve the problems that powder coatings cannot be sprayed directly, cannot completely cover traces, and PPS is not conductive, and achieve excellent corrosion resistance, high yield, and good adhesion.

Inactive Publication Date: 2016-06-29
万辉(广州)高新材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. It cannot completely cover the traces of the splicing of magnesium-aluminum alloy and PPS
[0006] 2. PPS is non-conductive, and the powder coating cannot be sprayed directly
[0007] 3. PPS is easy to deform at a high temperature above 180 degrees, which affects subsequent assembly

Method used

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  • Powder coating on magnalium and PPS (polyphenylene sulfite) spliced substrate and spraying method of powder coating

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Embodiment Construction

[0020] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] The powder coating on the spliced ​​substrate of magnesium aluminum alloy and PPS in this embodiment includes: epoxy resin E-12, which is mainly used to provide adhesion, chemical resistance and electrical insulation.

[0022] In specific implementation, epoxy resin E-12 is used as the main component of powder coatings, which has excellent adhesion to substrates such as metals, plastics, ceramics, glass and wood. In addition, it also has excellent corrosion resistance High performance and electrical insulation properties enable po...

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Abstract

The invention discloses a powder coating on a magnalium and PPS (polyphenylene sulfite) spliced substrate. The powder coating comprises, by mass, 60-75% of epoxy resin E-12, 3-5% of epoxy resin low-temperature curing agent, 6-7.5% of epoxy system delustering agent, 0.5-0.7% of adhesion promoter, 0.5-1.5% of flatting agent, 10.1-20.2% of pigment, 2-10% of filler and 0.5-1.5% of luster-enhancing agent. The invention further discloses a spraying method of the powder coating on the magnalium and PPS spliced substrate. The powder coating on the magnalium and PPS spliced substrate and the spraying method of the powder coating have the advantages that low-temperature curing and direct spraying can be achieved, magnalium and PPS spliced traces can be masked completely, energy consumption is reduced and yield is increased.

Description

technical field [0001] The invention relates to the field of materials, in particular to a powder coating on a substrate spliced ​​with magnesium-aluminum alloy and PPS and a spraying method thereof. Background technique [0002] Powder coating is a new type of solvent-free 100% solid powder coating, which has the advantages of no solvent, no pollution, recyclability, environmental protection, reduced labor intensity and high mechanical strength of the coating film. [0003] With the popularization of notebook computers, competition among different brand companies has also become fierce, and lighter and thinner products are more popular with consumers. Therefore, the substrate material spliced ​​with magnesium-aluminum alloy and PPS has been widely used in the cover of notebook computers, not only because magnesium alloy has good strength and rigidity, but also because it has excellent electromagnetic shielding performance and thermal conductivity. Make the computer work no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/03C09D5/08C09D7/12B05D7/14B05D3/00B05D3/02
CPCC09D163/00B05D3/005B05D3/0254B05D7/14B05D2202/00B05D2350/00B05D2401/32B05D2504/00B05D2601/02B05D2601/20C08K3/22C08K3/30C08K13/02C08K2003/2241C08K2003/3045C09D5/033C09D5/084C09D7/40C09D7/61
Inventor 易水华胡礼棉徐成林
Owner 万辉(广州)高新材料有限公司
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