Ceramic pigment and production process thereof

A ceramic pigment and production process technology, applied in the field of chemical pigments, can solve the problems of reddish color of ceramic products, many pores of ceramic products, unstable color, etc., and achieve the effect of beautiful color, stable color, and stable structure of the finished product

Pending Publication Date: 2018-12-07
佛山市天元无机材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing ceramic pigments have the disadvantages of unstable color and many pores in ceramic products, and the color of ceramic products is reddish

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The formula of the ceramic pigment is as follows: 50% of iron oxide, 38% of chromium oxide, 5% of manganese dioxide, 2% of mineralized powder and 5% of ammonium fluoride.

Embodiment 2

[0014] The formula of the ceramic pigment is as follows: 65% of iron oxide, 28% of chromium oxide, 3% of manganese dioxide, 3% of mineralized powder and 1% of potassium permanganate.

Embodiment 3

[0016] The formula of the ceramic pigment is: 55% of iron oxide, 33% of chromium oxide, 4% of manganese dioxide, 5% of mineralized powder and 3% of calcium nitrate.

[0017] The ceramic pigment production technology of embodiment 1-3 is:

[0018] The first step is mixing and homogenizing: the five ingredients are added into the mixer according to the ratio and mixed for 1 hour. The actual mixture without any obvious ingredients is used as the standard.

[0019] The second step is to load the bowl into the kiln: put the mixed material into the bowl (the diameter of the sagger is Φ300mm, and the depth is h100mm), put it into the kiln car according to the tunnel kiln three bowls wide and six bowls high, and push it into the kiln. Use the 1300-degree high-temperature bowl as the carrier. It is advisable to fill each bowl full, and it is better to choose a bowl with an air outlet gap. The weight of each bowl is related to the specific gravity of the material.

[0020] The third st...

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PUM

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Abstract

The invention discloses a ceramic pigment including iron oxide, chromium oxide, manganese dioxide, mineral powder, and a catalyst. The five components are added into a stirrer according to ratio and are stirred, homogenized and mixed to form a ceramic pigment mixture; then the mixture is subjected to treatment in a smoke exhaust section at 600 DEG C, a sintering section at 1200 DEG C and a heat insulation zone at 1220 DEG C to form ceramic pigment particles. The ceramic pigment has compact crystal form, stable structure and appearance, and beautiful and homogenous color. The ceramic pigment can reach more than 1300 DEG C in heat resistance. The ceramic pigment is free of decomposition during color development at high temperature, can form a deep color, is free foaming and has a color leaning to blue.

Description

technical field [0001] The invention belongs to chemical pigments, and in particular relates to a ceramic pigment and a production process thereof. Background technique [0002] Ceramic pigments are raw materials for the decoration and coloring of ceramic products. They are generally made of pure non-metallic oxides and certain metal oxides by high-temperature calcination. They are insoluble in water, oil, solvents and resins, but can be mixed in fixed Among the medium, it has the characteristics of superior hiding power and tinting power. The existing ceramic pigments have the disadvantages of unstable color and many pores of ceramic products, and the color of the ceramic products is reddish. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a ceramic pigment with stable color formation and strong finished product and its production process. [0004] In order to solve the above-mentioned technical problems, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/00C09C3/04
CPCC09C1/0009C09C3/04C09C3/043
Inventor 熊向格
Owner 佛山市天元无机材料有限公司
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