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Method for synthesizing zirconium-iron pink pigment through LCS process

A zirconium-iron and red technology, which is applied in the field of synthesizing zirconium-iron red material by LCS method, can solve problems such as instability, damage, and weak color development, and achieve high stability, good color rendering ability, and uniform coloring effect

Active Publication Date: 2014-11-19
FOSHAN TAOYING NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The color material is ground into ceramic ink, and the color is weak and unstable at high temperature due to the damage of the crystal grains.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 24～27

[0060] Table 7

[0061] Numbering

[0062] The powder that obtains is carried out color development experiment, obtains the experimental data of table 8, after being mixed into solution or suspension, add the ferrous sulfate of 10% of total mass fraction of mixture dry matter, the tartaric acid of 35% of total mass fraction of dry matter, Potassium nitrate with a total mass fraction of 35% of the dry material and lithium fluoride with a total mass fraction of 9% of the dry material were fully mixed to obtain the final mixture. Adding mineralizer, the obtained zirconium-iron red powder has a more complete burn-up reaction, making the ink-jet color more pure. It should be noted that the lithium fluoride can be replaced by alkali metal fluorides such as sodium fluoride, potassium fluoride, and calcium fluoride as the mineralizer. Alkali metal fluoride is beneficial to reduce the unevenness of the zirconium iron red material on the ceramic surface or glaze surface when...

Embodiment 33

[0070] Use the LCS method of the present invention to synthesize zirconium iron red material: mix silica sol and zirconium oxychloride into a solution or suspension at a molar ratio of Si:Zr=1:1, and then add the dry material of the mixture after mixing into a solution or suspension Ferric nitrate with a total mass fraction of 10%, tartaric acid with a total mass fraction of dry material of 35%, potassium nitrate with a total mass fraction of dry material of 35%, lithium fluoride with a total mass fraction of dry material of 5%, fully mixed to obtain the final mixture, steamed After drying the water, the burning billet is obtained; the burning billet is placed in the furnace cavity and the temperature is rapidly raised to 300°C to ignite the burning billet; after the burning billet is ignited, it is burned at 1050°C to obtain a zirconium-iron red powder, which is subjected to gas separation Classification, sieve out the pigment powder not larger than 1 micron.

Embodiment 34

[0072] Use the LCS method of the present invention to synthesize zirconium iron red material: mix silica sol and zirconium oxychloride into a solution or suspension at a molar ratio of Si:Zr=1:1, and then add the dry material of the mixture after mixing into a solution or suspension The ferric nitrate of total mass fraction 10%, the tartaric acid of dry material total mass fraction 35%, the potassium nitrate of dry material total mass fraction 35%, the lithium fluoride of dry material total mass fraction 5%, fully mix, obtain final mixture, fully Mix evenly and evaporate the water to get the burning billet; place the burning billet in the furnace cavity and heat up to 300°C rapidly to ignite the burning billet; after the burning billet is ignited, burn at 1050°C to get the zirconium-iron red powder , pickling the powder with hydrochloric acid, washing with water until neutral after pickling, performing gas separation and classification, and sieving out the color powder not larg...

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Abstract

A method for synthesizing a zirconium-iron pink pigment through an LCS process comprises the following steps: 1, mixing a silicon source with a zirconium source according to a Si:Zr mole ratio of 0.9-1:0.9-1.1 to form a solution or suspension, respectively adding an iron compound accounting for 5-15% of the total mass of the dry material of the mixture, an organic incendiary agent accounting for 5-50% of the total mass of the dry material of the mixture, a nitro oxidant accounting for 5-50% of the total mass of the dry material of the mixture and a mineralizer accounting for 3-9% of the total mass of the dry material of the mixture, fully and uniformly mixing, and drying; 2, placing the finally obtained dried material in a chamber of a furnace, heating to 200-500DEG C, and igniting in order to obtain a pre-burned material after complete burning; and 3, carrying out heat treatment on the pre-burned material at 800-1300DEG C to obtain zirconium-iron pink pigment powder. The zirconium-iron pink pigment nanopowder with small particle and high low-temperature controllability synthesized through the LCS process has good coloring capability and color generation capability, and can be applied to ceramic inkjet printing.

Description

technical field [0001] The invention relates to the technical field of inkjet ceramics, in particular to a zirconium-iron red material synthesized by an LCS method. Background technique [0002] Zirconium-based pigments have excellent performance and are widely used in architectural and sanitary ceramics. Among them, zirconium-iron red pigment is favored because of its stable color and moderate price. However, the solid-phase method used in the past to synthesize the encapsulated zirconium-iron red material is to make the coloring ion α‐Fe 2 0 2 Wrapped in Zr‐SiO 4 In the lattice, the process is to mix various raw materials according to the metering ratio, such as ZrO 2 , SiO 2 , Fe 2 o 3 etc., react at high temperature to obtain zirconium-iron red material with coarser particle size. The color material is ground into ceramic ink, and the color is weak and unstable under high temperature due to the damage of crystal grains. For this reason, it is hoped that other co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/20
Inventor 徐超黄曦游小棠
Owner FOSHAN TAOYING NEW MATERIAL CO LTD
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