Metallic paint coating and preparation method thereof

A metal paint and coating technology, applied in the direction of metal-free paint, coating, polyurea/polyurethane coating, etc., can solve the problem that the coating cannot take into account the metal texture and low price, and achieve convenient construction and uniform coating The effect of stability and prolonging the service life

Pending Publication Date: 2021-06-01
彭卫娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a metal paint coating and its preparation method, which solves the technical problem that the existing coating cannot take into account the metal texture and low price

Method used

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  • Metallic paint coating and preparation method thereof
  • Metallic paint coating and preparation method thereof
  • Metallic paint coating and preparation method thereof

Examples

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Effect test

preparation example Construction

[0039] Embodiments of the present invention provide a method for preparing a metallic paint coating on the one hand, which is characterized in that it includes the following steps:

[0040] S01: coating a primer layer on the base material, the thickness of the primer layer is 0.2mm-0.5mm;

[0041] S02: Coating a metal paint layer on the primer layer, the metal paint is composed of water-based polyurethane and metal copper powder, and the mass ratio of the water-based polyurethane and metal copper powder is 3:7 to 3:10, so The thickness of the metal paint layer is not less than 0.5mm;

[0042] S03: drying and treating the metallic paint layer;

[0043] S04: Polishing the metal paint layer;

[0044] S05: Blackening the polished metal paint layer;

[0045] S06: performing oxidation treatment on the blackened metal paint layer;

[0046] S07: Coating a transparent protective paint layer on the metal paint layer after the oxidation treatment, the thickness of the transparent pro...

Embodiment 1

[0063] Preparation method of non-oxidized metal paint coating

[0064] S01: coating a water-based polyurethane paint primer layer on the base material, the thickness of the primer layer is 0.2mm;

[0065] S02: coating a metal paint layer on the primer layer, the composition of the metal paint is water-based polyurethane and metal copper powder, the mass ratio of the water-based polyurethane and metal copper powder is 3:7, the metal paint layer The thickness is not less than 0.5mm;

[0066] S03: drying and treating the metallic paint layer at 50° C. for 6 hours;

[0067] S04: Polishing the metal paint layer, specifically, using 400# disc sandpaper to polish for the first time;

[0068] Use 800# disc sandpaper for the second grinding;

[0069] Use 600#, 800#, 1200# scouring pads to polish in order to increase the luster;

[0070] S05: Coating a transparent water-based polyurethane protective paint layer, the thickness of the transparent protective layer is 0.2 mm.

[0071] ...

Embodiment 2

[0073] Preparation method of metallic paint coating oxidation

[0074] S01: Coating a water-based polyurethane primer on the base material and using tools to create a sense of surface texture layering, the thickness of the primer layer is 0.3 mm;

[0075] S02: coating a metal paint layer on the primer layer, the composition of the metal paint is water-based polyurethane and metal copper powder, the mass ratio of the water-based polyurethane and metal copper powder is 3:8, the metal paint layer The thickness is not less than 0.5mm;

[0076] S03: drying and treating the metallic paint layer at 60° C. for 6 hours;

[0077] S04: Polishing the metal paint layer, specifically, using 400# disc sandpaper to polish for the first time;

[0078] Use 800# disc sandpaper for the second grinding;

[0079] Use 600#, 800#, 1200# scouring pads to polish in order to increase the luster;

[0080] S05: blackening the polished metal paint layer with potassium sulfide;

[0081] S06: Perform ox...

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Abstract

The invention discloses a metallic paint coating and a preparation method thereof. The preparation method comprises the following steps that a base material is coated with a primer layer; the primer layer is coated with a metallic paint layer, wherein the components of the metallic paint are waterborne polyurethane and metallic copper powder; the metallic paint layer is dried; the metallic paint layer is subjected to polishing treatment; the polished metallic paint layer is subjected to blackening treatment; oxidation treatment is performed on the metallic paint layer subjected to blackening treatment; and the oxidized metallic paint layer is coated with a transparent protective paint layer. According to the preparation method of the metallic paint coating, the coating is uniform and stable through reasonable proportion blending; then, through multi-layer polishing treatment, the core metallic paint layer presents perfect metallic texture; through chemical treatment, the metallic texture shows various changes to meet different requirements; and finally, the protective layer is used for protection, so that the service life is prolonged while the appearance purpose is achieved.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a metal paint coating and a preparation method thereof. Background technique [0002] Most building materials do not have corrosion resistance, so they need to be protected with coatings, but due to the material limitations of the coating itself, its appearance does not show much change. However, as the aesthetic level of Chinese people continues to improve, and the globalization of art under the background of economic globalization, the demand for new materials and technologies continues to increase. It has become a trend for materials to cross-border and integrate with each other; Consumption, conservation and environmental protection are also common difficulties faced by human beings. The application of efficient integration of new materials is the common goal of current enterprises. [0003] The metal appearance is very popular, because the metal appearance has a high orn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D5/06B05D5/00B05D1/36B05D1/38B05D7/26B05D3/00C09D175/04C09D5/38
CPCB05D5/068B05D5/00B05D7/584B05D7/26B05D3/007C09D175/04C09D5/38C08K2003/085C08K3/08
Inventor 彭卫娟
Owner 彭卫娟
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