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High temperature scarlet ceramic pigment and production method thereof

A technology for ceramic pigments and production methods, which is applied in the field of ceramic pigments, can solve the problems of poor color development strength and color rendering effect, and achieve the effects of improving decorative effects, stable color development, and simplified process steps

Inactive Publication Date: 2006-07-19
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a high-temperature scarlet ceramic pigment with stable color development at high temperature and good color rendering effect and its production method for the defects of existing scarlet pigments with poor color development strength and color rendering effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Example 1: (weight percent) 67.00 yttrium oxide, 31.55 aluminum oxide, 1.45 chromium oxide, plus 1.0 fluorite.

Embodiment 2

[0010] Example 2: (weight percent) 65.50 yttrium oxide, 32.90 aluminum oxide, 1.60 chromium oxide, plus 2.0 fluorite.

Embodiment 3

[0011] Example 3: (weight percent) 63.60 yttrium oxide, 34.50 aluminum oxide, 1.90 chromium oxide, plus 1.5 fluorite.

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PUM

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Abstract

The invention provides a high temperature scarlet ceramic pigment and its preparing process, wherein the raw materials comprise (by weight percent) yttrium oxide 63.50-66.50, aluminum oxide 30.50-34.50, chromium hemitrioxide 0.90-1.90, and mineralization agent 1-5. The preparing process consists of weighing raw materials and batching, grinding the batches and sieving, drying and dewatering, synthesizing in a high-temperature electric resistance furnace, thermal insulating and naturally cooling, grinding, rinsing and sieving.

Description

technical field [0001] The invention relates to a ceramic pigment, in particular to a high-temperature scarlet ceramic pigment and a production method thereof. Background technique [0002] Red ceramic pigments play an important decorative role in product color decoration, color blanks and colored glazes. At present, the bright red pigments used in the ceramic industry are mainly "wrapped" pigments. The main raw materials for the production of this pigment are cadmium sulfide, cadmium selenide, zircon, etc. The method for producing such raw materials is to combine cadmium sulfide and cadmium selenide A certain proportion is solid-solved into the zircon crystal lattice after high-temperature synthesis. The existing scarlet pigment is very sensitive to temperature, has poor high-temperature stability, and has limited encapsulation rate, and the color development strength and color rendering effect are not ideal. Contents of the invention [0003] The technical problem to be...

Claims

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Application Information

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IPC IPC(8): C04B35/50C04B35/105C04B35/622C04B35/64C04B41/80
Inventor 高雅春王金锋耿谦徐研赵越清李莉张育兵李国才
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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