Super-bright colored aluminum pigment and preparation method thereof

An aluminum pigment, ultra-bright technology, applied in the direction of fibrous fillers, dyed polymer organic compounds, etc., to achieve good solvent and corrosion resistance, good white brightness, and strong adjustability.

Inactive Publication Date: 2021-06-22
安徽天易金属新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of ultra-bright colored aluminum pigment and its preparation method, which solves the defects of physical coating and chemical coating methods currently used in colored aluminum pigments

Method used

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  • Super-bright colored aluminum pigment and preparation method thereof
  • Super-bright colored aluminum pigment and preparation method thereof
  • Super-bright colored aluminum pigment and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A preparation method of a super-bright color aluminum pigment, the steps comprising:

[0029] Step 1: Prepare a colored thermosetting polymer coating for use; the colored thermosetting polymer coating is a two-component coating prepared by acrylic resin, curing agent, color paste, solvent and additives.

[0030] Step 2: select the separation layer resin emulsion, and print it on the surface of the PET film, and dry to obtain the film layer A; the separation layer resin emulsion is selected from nitro resin, and the separation layer resin emulsion is dissolved by a solvent before printing, and Solvent selects butyl acetate for use, and the content (mass) of separation layer resin emulsion in solvent is 2%; Described separation layer resin emulsion is printed by coating machine, and the drying temperature during printing is 110 ℃, and printing speed is 110m / min, the printing weight is 1.0g / m 2 Ww.

[0031] Step 3: Print the colored thermosetting polymer coating on one ...

Embodiment 2

[0037] A preparation method of a super-bright color aluminum pigment, the steps comprising:

[0038] Step 1: Prepare a colored thermosetting polymer coating for use; the colored thermosetting polymer coating is a two-component coating prepared by acrylic resin, curing agent, color paste, solvent and additives.

[0039] Step 2: select the separation layer resin emulsion, and print it on the surface of the PET film, and dry to obtain the film layer A; the separation layer resin emulsion is selected from polyvinylpyrrolidone resin, and the separation layer resin emulsion is dissolved by a solvent before printing, And solvent selects ethyl acetate for use, the content (mass) of separating layer resin emulsion in solvent is 3%; Described separating layer resin emulsion is printed by coating machine, and the drying temperature during printing is 130 ℃, and printing speed is 130m / min, the printing volume is 2.0g / m 2 Ww.

[0040] Step 3: Print the colored thermosetting polymer coat...

Embodiment 3

[0046] A preparation method of a super-bright color aluminum pigment, the steps comprising:

[0047] Step 1: Prepare a colored thermosetting polymer coating for use; the colored thermosetting polymer coating is a two-component coating prepared by acrylic resin, curing agent, color paste, solvent and additives.

[0048] Step 2: select the separation layer resin emulsion, and print it on the surface of the PET film, and dry to obtain the film layer A; the separation layer resin emulsion is selected from polyvinylpyrrolidone resin, and the separation layer resin emulsion is dissolved by a solvent before printing, And solvent selects propylene glycol methyl ether acetate and ethanol (volume 1:1), and the content (mass) of separating layer resin emulsion in solvent is 5%; Described separating layer resin emulsion is printed by coating machine, and when printing The drying temperature is 150°C, the printing speed is 160m / min, and the printing weight is 3.0g / m 2 Ww.

[0049] Step 3...

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Abstract

The invention discloses a super-bright colored aluminum pigment and a preparation method thereof. The preparation method comprises the following steps: preparing a colored thermosetting polymer coating for later use; selecting a separation layer resin emulsion, printing the separation layer resin emulsion on the surface of the PET film, and drying to obtain a film layer A; printing a color thermosetting polymer coating on one surface of the film layer A, and drying to obtain a film layer B; plating an aluminum film on the surface of the film layer B to obtain a film layer C; printing the colored thermosetting polymer coating on the surface of the film layer C again, and drying to obtain a film layer D; washing the film layer D with a solvent, dissolving the separation layer resin emulsion in the film layer D, and separating out the colored aluminum film with the surface coated with resin; and crushing the aluminum film, grading, carrying out solid-liquid separation, and drying to obtain the super-bright colored aluminum pigment. The super-bright colored aluminum pigment has the following advantages: the two-component cured resin protection product has good coloring stability; the color uniformity of one-time printing, coloring and forming is good; the color adjustability is high, and color can be adjusted at will; and the aluminum sheet is smooth in surface, strong in metal feeling and good in white brightness.

Description

technical field [0001] The invention relates to the technical field of aluminum pigment production, in particular to a super-bright colored aluminum pigment and a preparation method thereof. Background technique [0002] In the prior art, most of the colored aluminum pigments use coating methods to color flake aluminum particles, which can be divided into physical coating and chemical coating. Physical coating means immersing aluminum pigments in dyes, filtering out flake aluminum particles after dyeing, and then drying to obtain colored aluminum pigments. The flake-shaped aluminum particles produced by the physical immersion method are bright in color, but they are not resistant to solvents. During use, the dye is easily separated from the flake-shaped aluminum particles and penetrates into the solvent. Chemical coating is to deposit colored metal hydroxide on the surface of flake aluminum particles, and then dehydrate the calcined hydroxide to form a stable colored metal ...

Claims

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Application Information

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IPC IPC(8): C09C1/64C09C3/10
CPCC01P2006/65C09C1/644
Inventor 谷圣军董前年罗祥涛周辉操玉节刘云龙朱双单马红丽
Owner 安徽天易金属新材料有限公司
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