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High-temperature-resistant colorful aluminium pigment

An aluminum pigment, high temperature resistant technology, applied in the field of colored aluminum pigments, can solve problems such as brightness, low saturation, weak interference effect, expensive price, etc., and achieve good color saturation, perfect reaction, and good stability

Inactive Publication Date: 2014-06-11
陈永煌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the current research on high-grade colored aluminum pigments in my country still cannot meet the needs of the market, most of them need to be imported from abroad, and the price is very expensive
The interference effect between the layers of the finished pigment is weak, and there are shortcomings such as low brightness and saturation, and easy fading under high temperature conditions.

Method used

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  • High-temperature-resistant colorful aluminium pigment

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Experimental program
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Effect test

Embodiment

[0013] Embodiment: This embodiment provides a high-temperature-resistant colored aluminum pigment, which includes a sheet substrate 1 coated with a layer of silicon dioxide layer 2, and coated with a layer of colorant 3 outside the silicon dioxide layer. , forming a metal oxide composite coating layer.

[0014] The coloring agent is ferric oxide or other metal oxides.

[0015] The sheet substrate is one of mica, synthetic mica or glass flakes.

[0016] In the specific implementation process, at a temperature of 70°C-80°C, the stirring of the substrate suspension is kept, the pH value of the reaction is stable, and the surface of the substrate is coated with titanium dioxide and ferric oxide in sequence. After the reaction is completed, filter and use After ion water washing, drying, calcination and other processes, a series of attractive high temperature resistant colored aluminum pigments with yellow to red appearance and gold, red, purple, blue and green reflection colors c...

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Abstract

A disclosed high-temperature-resistant colorful aluminium pigment is characterized in that the pigment comprises a sheet-shaped substrate material, the external of the substrate material is coated with a silicon dioxide layer, and also the external of the silicon dioxide layer is coated with a layer of a coloring agent for forming a metal oxide composite coating. The coloring agent is ferric oxide. The sheet-shaped substrate material is sheet-shaped aluminium sheets. The beneficial effects comprise that on the premise of not reducing the brightness of a conventional aluminium pigment slurry, the colorful aluminium pigment with diversified colors and high chroma is prepared, the colorful aluminium pigment is substantially improved in both brightness and chroma, and the quality stability of the product is relatively good. Through coating of the inorganic metal oxide ferric oxide, the pigment is relatively high in stability and resistant to high temperature.

Description

technical field [0001] The invention relates to a colored aluminum pigment, in particular to a high-temperature-resistant colored aluminum pigment that will not fade even at relatively high temperatures. Background technique [0002] Colored aluminum pigments are non-toxic, odorless, acid and alkali resistant, non-flammable, non-explosive, have high heat resistance and weather resistance, and fully meet strict environmental protection requirements. It has the shimmering effect of metallic pigments and produces the soft shades of natural pearls. The excellent performance of colored aluminum pigments makes it a new idea in today's color field and has higher commodity value. Colored aluminum pigments are widely used in various fields, such as coatings for automobiles, motorcycles, bicycles, powder coatings, architectural coatings, pearlescent inks, pearlescent leather, pearlescent plastic products, pearlescent cosmetics, papermaking, printing and dyeing, printing, rubber, Cer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C3/06C09C1/64
Inventor 陈永煌
Owner 陈永煌
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