A kind of preparation method of spherical composite 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, unfavorable long calcination time, and high production cost, and achieve the effects of bright color, small particle size and high dispersibility.
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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 O 0.45g, butyl titanate 6.8g; Heating on the universal electric furnace afterwards, the liquid expands rapidly when evaporation finishes, and releases gas, generates fluffy powder body namely precursor, then with the precursor calcining that makes, calcining 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° C.) is used for the preparation of the following example 1 composite superfine 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 ...
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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