Preparing method of spherical compound superfine yellow ceramic pigment

A ceramic pigment and composite technology, applied in the field of ceramic pigments, can solve the problems of agglomeration or uneven composition, long calcination time, high local concentration, etc., and achieve the effect of bright color, small particle size and high dispersion

Active Publication Date: 2018-05-11
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages are: high production cost, the addition of precipitating agent may make the local concentration too high, resulting in agglomeration or uneven composition, high calcination temperature and long calcination time are not conducive to energy saving and emission reduction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example 2

[0032] Ni x Eu 1-x TiO 3 Preparation Example 2 (x=0.95, 850°C)

[0033] First, weigh 9g of glycine with a ten-thousandth balance and dissolve it in 180ml of deionized water, stir on a magnetic stirrer at a temperature of 60°C, then add nickel nitrate, butyl titanate, and europium nitrate in sequence, and stir for 110 minutes. Added Ni(NO 3 ) 3 ·6H 2 O, Eu(NO 3 ) 3 .6H 2 O and butyl titanate are respectively: Ni(NO 3 ) 3 ·6H 2 O 5.53g, Eu(NO 3 ) 3 .6H 2 0.45g, 6.8g of butyl titanate; After heating on the universal electric furnace, the liquid expands rapidly when it evaporates quickly, and releases gas, generating a fluffy powder that is a precursor, and then calcining the prepared precursor, the calcination temperature at 850°C, calcined for 4 hours, and ground to obtain the matrix Ni x Eu 1-x TiO 3 Pigment powder.

[0034] Ni x Eu 1-x TiO 3 Preparation Example 3 (x=1.0, 900°C)

[0035] First, weigh 9g of glycine with a ten-thousandth balance and dissolve...

Embodiment 1

[0042] The matrix (Ni 0.85 Eu 0.15 TiO 3 Calcination temperature 800 DEG C) is used for the preparation of following example 1 compound ultrafine yellow ceramic pigment:

[0043] Example 1

[0044] A preparation method of spherical composite superfine yellow ceramic pigment, comprising the steps of:

[0045] 1) Add 0.1g of Ni 0.8 Eu 0.2 TiO 3 Joined by P 123 , absolute ethanol and deionized water in the mixed solution, in the mixed solution, P 123 The content of 0.12g, the content of absolute ethanol is 50ml, the content of deionized water is 0.4ml;

[0046] 2) Add 0.4ml of butyl titanate, and when the mixture is evenly stirred, add ammonia water drop by drop to adjust the pH to 7.0-9.0;

[0047] 3) Stir at a rate of 100r / min, stir at 50°C for 3h; let stand for 24h, then collect the product, and wash three times with water and absolute ethanol respectively;

[0048] 4) Drying at 70° C., calcining at 300° C. for 30 minutes to remove the template, and grinding the prod...

Embodiment 2

[0051] A preparation method of spherical composite superfine yellow ceramic pigment, comprising the steps of:

[0052] 2) Add 0.1g of Ni 0.95 Eu 0.05 TiO 3 Joined by P 123 , absolute ethanol and deionized water in the mixed solution, in the mixed solution, P 123 The content of 0.12g, the content of absolute ethanol is 50ml, the content of deionized water is 0.4ml;

[0053] 2) Add 0.4ml of butyl titanate, and when the mixture is evenly stirred, add ammonia water drop by drop to adjust the pH to 8.0;

[0054] 3) Stir at a rate of 300r / min, stir at 60°C for 4h; let stand for 36h, then collect the product, and wash three times with water and absolute ethanol respectively;

[0055] 4) Drying at 70° C., calcining at 400° C. for 30 minutes to remove the template, and grinding the product to obtain a yellow ceramic pigment.

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PUM

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Abstract

The invention belongs to the technical field of ceramic pigment, and particularly relates to a preparing method of compound superfine yellow ceramic pigment. The preparing method specifically comprises the steps of adding a certain amount of Ni(1-x)EuxTiO3 into a mixed solution of 0.12 g of P123, 50 ml of absolute ethyl alcohol and 0.4 ml of deionized water, then adding a certain amount of tetrabutyl orthotitanate, and dropwise adding ammonium hydroxide after the mixture is uniformly stirred to adjust the pH. Stirring is conducted at a certain speed, then standing is conducted for a certain period, and the product is collected and washed by water three times and absolute ethyl alcohol three times respectively. Drying is conducted, then recalcination is conducted to remove a template, and the product is grinded to obtain the yellow ceramic pigment. The compound superfine yellow ceramic pigment prepared through the method integrates the excellent performance of NixEu(1-x)TiO3 and TiO2, and has the advantages of being fresh in color, high in near-infrared reflectivity, high in chemical stability and the like.

Description

technical field [0001] The invention relates to the technical field of ceramic pigments, in particular to a method for preparing spherical composite superfine yellow ceramic pigments. Background technique [0002] The physical meaning of yellow should be the color of monochromatic light with a wavelength of 597-577nm. Yellow ceramic pigments are indispensable for ceramic decorative arts, whether they are used for color decoration of ceramic products, or as colorants for ceramic glazes or color embryos. decoration material. while NiTiO 3 As a metal oxide, it has excellent optical performance, weather resistance and high temperature resistance in the atmosphere; especially when used as an infrared reflective pigment, it has high infrared spectral reflection performance. As a coating pigment exposed to the air, it has excellent properties such as high weather resistance, acid resistance, and oxidation-reduction resistance. Traditional yellow pigments such as chrome yellow ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/00C01G23/00C09C1/36C09C3/06C09C3/08
CPCC01G23/002C09C1/0009C09C1/36C09C3/006C09C3/063C09C3/08
Inventor 仝玉萍焦红波符静刘丽陈渊召马娟娟陈希王静张海龙刘焕强张旭芳
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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