Ceramic overglaze color capsanthin pigment and preparation method thereof

A technology of red pigment and ceramic glaze, applied in the field of pigments, can solve the problems of rare ceramic products, uneven color, uneven thickness, etc., to improve the degree of protection and transparency, the color surface is easy to be flat and uniform, and the preparation method is simple. Effect

Inactive Publication Date: 2020-11-03
NANNING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, although the color cadmium selenium red pigments on the ceramic glaze on the market are red or deep red after firing, they do not have the three-dimensional sense of glass texture, transparency and accumulation, and the color cadmium selenium red pigments on ceramic glazes are hand-painted when used on ceramics. It cannot be applied thickly, and it is difficult to apply evenly. The thickness is uneven and unintuitive, resulting in a large difference before and after firing. If the paint is thicker, it is easy to peel off, and if it is thinner, the color will be uneven. Hand-painting brings great difficulties to the operator. At present, most of them use airbrush spraying and over-glaze decal paper to produce. Few people use hand-painting, and it is rare to use hand-painting to make ceramic products.
Moreover, there is no relevant report on the production of glassy red ceramic overglaze pigments.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A ceramic overglaze capsicum red pigment, said ceramic overglaze capsicum red pigment is made of colorant, flux, lead-free low-melting glass powder, and said colorant, flux, lead-free low-melting glass powder according to the following Proportion by weight: 5 parts of toner, 75 parts of flux, and 10 parts of lead-free low-melting glass powder.

[0029]Further, the toner is made of 37% cadmium sulfide and 60% cadmium selenide; the preparation method of the toner is: weigh cadmium sulfide and cadmium selenide according to the proportion, and send them into the high-energy ball mill cup respectively Carry out high-energy ball milling in a high-energy ball mill until the particle size is less than 10 μm. First, heat the reaction vessel to 530°C, then pour the ground cadmium sulfide and cadmium selenide into the reaction vessel, and then keep stirring until all the materials turn red, and then cool naturally , then repeatedly rinsed with cold and hot water to remove impuriti...

Embodiment 2

[0034] A ceramic overglaze capsicum red pigment, said ceramic overglaze capsicum red pigment is made of colorant, flux, lead-free low-melting glass powder, and said colorant, flux, lead-free low-melting glass powder according to the following Proportion by weight: 10 parts of toner, 80 parts of flux, 20 parts of lead-free low-melting glass powder.

[0035] Further, the toner is made of 39% cadmium sulfide and 64% cadmium selenide; the preparation method of the toner is: weigh cadmium sulfide and cadmium selenide according to the proportion, and send them into the high-energy ball mill cup respectively Carry out high-energy ball milling in a high-energy ball mill until the particle size is less than 10 μm. First, heat the reaction vessel to 550°C, then pour the ground cadmium sulfide and cadmium selenide into the reaction vessel, and then keep stirring until all the materials turn red, and then cool naturally , then repeatedly rinsed with cold and hot water to remove impurities...

Embodiment 3

[0040] The invention relates to a capsicum red pigment on ceramic glaze, wherein the colorant, flux and lead-free low-melting-point glass powder are proportioned according to the following parts by weight: 6 parts of colorant, 76 parts of flux, and 12 parts of lead-free low-melting-point glass powder.

[0041] Further, the toner is made of 37.5% cadmium sulfide and 61% cadmium selenide; the preparation method of the toner is: weigh cadmium sulfide and cadmium selenide according to the proportion, and send them into the high-energy ball mill cup respectively Carry out high-energy ball milling in a high-energy ball mill until the particle size is less than 10 μm. First, heat the reaction vessel to 535°C, then pour the ground cadmium sulfide and cadmium selenide into the reaction vessel, and then keep stirring until all the materials turn red, and then cool naturally , then repeatedly rinsed with cold and hot water to remove impurities, sent to a high-energy ball mill cup for high...

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Abstract

The invention discloses a ceramic overglaze color capsanthin pigment which is prepared from the following components in parts by weight: 5-10 parts of a coloring agent, 75-80 parts of a fusing agent and 10-20 parts of lead-free low-melting-point glass powder, and the coloring agent, the fusing agent and the lead-free low-melting-point glass powder are mixed. The lead-free low-melting-point glass powder is creatively added, the coloring state of the pigment is changed, the lead content of the pigment is reduced, the firing temperature is reduced, the fired capsanthin is transparent, thick and stereoscopic, the appearance effect of the colored cadmium-selenium red pigment on the ceramic glaze on the pop-up surface is changed during use, the unique bright spot of the bright, glossy and thickcapsanthin pigment is formed, the visual aesthetic degree is improved, and the use degree of the overglaze bright red pigment hand-painted decoration is improved.

Description

technical field [0001] The invention belongs to the technical field of pigments, in particular to a ceramic overglaze capsicum red pigment and a preparation method thereof. Background technique [0002] Porcelain painting refers to a kind of flat ceramic handicraft that is hand-painted, glazed and fired at high temperature with chemical pigments on the plain porcelain body. However, after many pigments are applied to the porcelain body and fired at high temperature, the original color will be discolored and uneven, causing the finished product to be different from the expected effect and fail to meet the creator's requirements. The scarlet pigment on ceramic glaze is an important color in ceramic decoration materials. Traditional ceramic overglaze bright red pigments are mainly made of colorants and cosolvents. The raw materials for the preparation of toners are mainly cadmium carbonate, selenium, sulfur, and cadmium sulfide. They are mixed with appropriate cosolvents and m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/85
CPCC04B41/5054C04B41/85C04B41/5049C04B41/5022C04B41/5035C04B41/5027C04B41/5006C04B41/5031C04B41/501C04B41/4539
Inventor 曹琳陈依楠
Owner NANNING UNIV
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