Praseodymium zirconium yellow ceramic pigment and preparation method thereof

A technology of ceramic pigment and praseodymium zirconium yellow, applied in the field of ceramic pigment, can solve the problems of high cost, complicated process, difficult to realize large-scale promotion, etc., and achieve the effects of reducing dosage, high color strength and reducing cost

Inactive Publication Date: 2015-12-30
FOSHAN HUAYI CERAMIC COLORS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The above methods have been improved to varying degrees on the existing praseodymium yellow material, but there are still problems such as relatively complicated process, special raw material preparation process and colorant preparation process, and it is difficult to realize large-scale promotion in actual industrial production.
In addition, in the process of preparing praseodymium yellow material, the color-developing material is praseodymium oxide. In the prior art, the addition amount of praseodymium yellow material with darker color often needs to reach 4% or more, so that the praseodymium yellow material The cost, especially the high cost of producing high-grade praseodymium yellow material

Method used

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  • Praseodymium zirconium yellow ceramic pigment and preparation method thereof
  • Praseodymium zirconium yellow ceramic pigment and preparation method thereof
  • Praseodymium zirconium yellow ceramic pigment and preparation method thereof

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preparation example Construction

[0030] The preparation method of praseodymium zirconium yellow material is as follows:

[0031] Step 1: Pulverize and grind the raw materials of praseodymia, zirconia and silica airgel to a particle size of 10 μm, and dry them for later use.

[0032] Step 2: Mix the raw materials ground in Step 1 with the mineralizer, and stir evenly, avoiding contact with iron containers or instruments during the stirring process.

[0033] Step 3: Put the mixed raw materials in step 2 into a sagger for calcination, control the heating time for 3 hours, keep the temperature for 1 hour after the temperature rises to the calcination temperature, and take out the sagger to obtain the fired product of praseodymium-zirconium yellow ceramic pigment .

[0034] Judgment method of color intensity: Add praseodymium-zirconium yellow material at 6% to the transparent base glaze to make a colored glaze, and then glaze it on the blank to make a test piece. After firing, use a colorimeter to test the lightn...

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Abstract

The invention discloses a praseodymium zirconium yellow ceramic pigment which comprises the following components by weight percent: 1.5-3% of praseodymium oxide, 30-42% of zirconium oxide, 54-62% of silica aerogel, and 2-6% of a mineralizer, wherein the BET specific area of the silica aerogel is 300-650 m<2> / g, the average particle size of the silica aerogel is 5-20 [mu]m, and the pore volume of the silica aerogel is 1.5-3.5. Through the adoption of the formula of the praseodymium zirconium yellow ceramic pigment, the use amount of praseodymium oxide and zirconium oxide can be reduced, the pigment cost is reduced, and the color generation capability of the fired pigment is strong in a transparent glaze.

Description

technical field [0001] The invention relates to a ceramic color material, in particular to a praseodymium zirconium yellow ceramic color material and a preparation method of the color material. Background technique [0002] Ceramic pigments are one of the inorganic pigments, which are different from inorganic pigments used in painting, printing, plastics, rubber, leather and other industries. Ceramic pigments are special pigments synthesized at higher temperatures. Because zirconium-based pigments have strong chemical resistance and high stability in glaze, they are widely used. The praseodymium-zirconium yellow material in the ceramic pigment is bright and bright, and can obtain a very soft tone with a very small amount of addition. The combination of the praseodymium-zirconium yellow material and the zirconium-iron-based red pigment can obtain a bone-like color. , Apricot and other high-grade colors, so praseodymium zirconium yellow material is widely used. Major manufac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/85
Inventor 李爱林
Owner FOSHAN HUAYI CERAMIC COLORS CO LTD
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