High-decoration color alloy powder coating

An alloy powder and decorative technology, applied in powder coatings, polyester coatings, epoxy resin coatings, etc., can solve the problem of lower leveling of surface paint, inability to fully wet the pigment, and different shades of coating color and other issues, to achieve the effect of large economic and social benefits, large market development and application potential

Inactive Publication Date: 2011-11-23
TIANJIN XIANGSHENG NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Although the powder coatings currently used in the market can achieve better results by using silver powder as the base and translucent paint to adjust the color by two-pass spraying, but due to the oil absorption of organic pigments, the leveling of the surface paint is greatly reduced, and it is easy to follow. A large number of shrinkage cavities appear; at the same time, the dispersion of organic pigments in powder coatings is much lower than that in liquid coatings, which makes the color distribution of powder coatings translucent paints uneven, and it is easy to have different shades of coating colors
[0003] The pigment dispersion

Method used

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Examples

Experimental program
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Embodiment 1

[0030] A high-decorative color alloy powder coating, which utilizes the principle of pigment migration to successfully prepare a brightly colored and uniform powder coating transparent paint coating. The effect of metallic primer outer transparent paint can be obtained through two coatings. Its raw material components and parts by weight are respectively:

[0031] (1) Silver powder layer (bottom layer):

[0032]

[0033] (2) Transparent powder layer:

[0034]

[0035]

[0036] Among them, the acid value of the 6:4 type polyester is 45-60mg KOH / g, and the polyester viscosity index requirement is ICI viscosity (175°C) 50-60Po, and 6055 of Hangzhou Zhongfa Company is used in this embodiment;

[0037] E-12 epoxy resin uses grade E-12 epoxy, its epoxy equivalent is 710-875g / eq, and the glass transition temperature requirement is 88-92°C. In this embodiment, CYD-014U of Baling Petrochemical is used;

[0038] Auxiliaries include leveling agents (polyacrylate type leveling ...

Embodiment 2

[0056] (1) Silver powder layer (bottom layer):

[0057]

[0058] (2) Transparent powder layer:

[0059]

[0060] Wherein, 6:4 type polyester is with embodiment 1;

[0061] E-12 epoxy resin is Guodu Chemical 242;

[0062] Auxiliary agent is with embodiment 1;

[0063] Leaving aluminum powder is PC100 of Aika Company;

[0064] TGIC type polyester is with embodiment 1;

[0065] Migrating pigment is with embodiment 1.

[0066] Each coating preparation method is the same as in Example 1.

[0067] Through the above formula and preparation method, high decorative color alloy powder coating 2 can be obtained.

[0068] It should be noted that in Example 1 and Example 2, a certain amount of floating aluminum powder was added to the bottom layer, so the final coating effect of the bottom layer depends on the silver powder used, and the resulting effect is electroplated silver or super silver, wherein, according to the implementation The content ratio of the content of the le...

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Abstract

The invention relates to a high-decoration color alloy powder coating which is divided into a silver powder layer and a transparent powder layer. The high-decoration color alloy powder coating comprises a silver powder layer and a transparent powder layer, wherein the silver powder layer comprises 6:4 type polyester, E-12 epoxy resin, accessory ingredients, migration pigment and precipitated barium sulphate, and the transparent powder layer comprises TGIC (1,3,5-Triglycidyl Isocyanurate) type polyester, TGIC, crylic acid flatting agent and benzoin. The coating is divided into the silver powder layer and the transparent powder layer on the basis of the pigment migration principle, and the effect of covering metal primer with transparent colored paint can be obtained by coating twice. According to the invention, the final coating effect of the color alloy powder coating is obtained by coating twice. The bottom layer is the silver powder layer which is mainly used for covering and bearing pigment; after the bottom layer is coated, transparent powder is covered on the surface of the bottom layer; and when the transparent powder is solidified, pigment migration driving force is generated so that the pigment migrates to the transparent powder layer, and thus the effect of silver-based high-lustre colored paint is achieved.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a high-decoration color alloy powder coating. Background technique [0002] Although the powder coatings currently used in the market can get better results by using silver powder as the base and translucent paint to adjust the color by two-pass spraying, but due to the oil absorption of organic pigments, the leveling of the surface paint is greatly reduced, and it is easy to follow. A large number of shrinkage cavities appear; at the same time, the dispersion of organic pigments in powder coatings is much lower than that in liquid coatings, which makes the color distribution of translucent paints in powder coatings uneven, and it is easy to have different shades of coating colors. [0003] The pigment dispersion of powder coatings is mainly through initial premixing, melt extrusion and other means. Compared with the grinding process in liquid coatings, the pigments are far from fully dis...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D163/02C09D5/03C09D5/38
Inventor 解晓雷
Owner TIANJIN XIANGSHENG NEW MATERIALS CO LTD
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