Preparation method of zirconium silicate-coated black pigment

A technology of zirconium silicate and black material, applied in fibrous fillers and other directions, can solve the problems of unsuitability for industrial production, large production energy consumption, long preparation period, etc. low effect

Inactive Publication Date: 2017-11-03
姚文澄
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are problems such as long preparation cycle, large production energy consumption, complicated process, and unsuitability for industrial production.

Method used

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  • Preparation method of zirconium silicate-coated black pigment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] like figure 1 As shown, 20g of graphite powder, 1g of zirconium silicate powder, and 0.2g of lithium fluoride mineralizer were ground and mixed evenly to form a mixture. Then the mixture was placed in a microwave oven, treated with microwaves at a power of 500W for 10s, and then annealed to obtain a zirconium silicate-coated black material.

Embodiment 2

[0025] like figure 1 As shown, 20g of graphite powder, 5g of zirconium silicate powder, and 1g of lithium fluoride mineralizer were ground and mixed evenly to form a mixture. Then put the mixed material in a microwave oven, treat it with 80W microwave for 10min, and then anneal to prepare the zirconium silicate coated black material.

Embodiment 3

[0027] like figure 1 As shown, 20g of graphite powder, 10g of zirconium silicate powder, and 1.5g of lithium fluoride mineralizer were ground and mixed evenly to form a mixture. Then the mixture was placed in a microwave oven, treated with microwaves at 200W for 10 minutes, and then annealed to obtain a zirconium silicate-coated black material.

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PUM

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Abstract

The invention relates to a method for preparing a zirconium silicate-coated black material, which comprises the following steps: (1) uniformly mixing melanin particles, zirconium silicate powder and flux powder to form a mixture; (2) using microwaves to mix The material is heated until the zirconium silicate powder melts into a liquid phase and is uniformly wrapped on the outside of each melanin particle; (3) annealing. The present invention makes full use of the characteristics of melanin particles such as graphite powder, plant carbonized carbon black, and organic matter conversion carbon black that can fully absorb microwave heat, changes the lattice characteristics of melanin particles, increases the surface activity of melanin particles, and uses flux to assist in melting silicon Zirconium acid, forming a liquid phase to realize the zirconium silicate wrapping of melanin, forming a denser, stronger adhesion transparent composite layer, the quality of the black pigment is better, only by adding flux for microwave heating treatment, the process only It takes tens of minutes, and the process is simple, the cost of raw materials is low, energy saving and environmental protection, and it is suitable for industrialized production.

Description

technical field [0001] The invention relates to a method for preparing a black pigment, in particular to a method for preparing a zirconium silicate-wrapped black material. Background technique [0002] Black pigments are widely loved by people because of their dignified and pure decorative effects, and have always been the most important ceramic decorative pigments, accounting for the largest market share of ceramic pigments. Black pigments on the market are mainly mixed spinel pigments, which are generally synthesized from chromium oxide, cobalt oxide, ferric oxide and manganese oxide. The spectral absorption of chromium ions, cobalt ions and iron ions can mutually inhibit their ions. The principle of light transmittance. When their ion concentration ratio is properly adjusted, their spectral curves can complement each other after being superimposed, and all visible light is absorbed to appear black. Considering that the formation of black is obtained through the coordin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/00
CPCC09C1/0012
Inventor 姚文澄
Owner 姚文澄
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